The amount that Brian and Jamie have to plan on spending should be: $4859.
How to solve for the amount that should be spentThe security deposit is equal to 1 month's rent, which is $1350.
The first and last month's rent is also $1350, so that's a total of $2700 for the first and last month's rent and the security deposit.
The broker's fee is 12% of the yearly rent, which is $1350 x 12 = $16,200.
12% of $16,200 is $1944.
So in total, they will have to pay $150 application deposit + $15 credit report + $2700 + $1944 = $4859.
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You can graph the solutions of an inequality on a number line. How can you show the solutions of the inequality 3x +2 ≥ 1/2 ( x + 5 )
A graph of the solutions of this inequality 3x + 2 ≥ 1/2(x + 5) is shown on the number line attached below.
How to graph the solutions of the inequality?In this exercise, we would solve the given inequality by making x the subject of formula as follows;
3x + 2 ≥ 1/2(x + 5)
By multiplying both sides of the inequality by 2, we have the following:
(3x + 2) × 2 ≥ 1/2(x + 5) × 2
6x + 4 ≥ x + 5
By rearranging and collecting like terms, we have the following:
6x - x ≥ 5 - 4
5x ≥ 1
x ≥ 1/5
Next, we would use an online graphing calculator to plot the inequality as shown in the graph attached below. Additionally, the circle on the number line (graph) is closed because of the greater than or equal to (≤) symbol.
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Pls help me find the answer for this
Alexia used three reams of paper in her first semester of school. Each ream has the same number of sheets. She used another 40 sheets after that. Write an expression to represents the number of sheets Alexia used
An expression to represent the number of sheets Alexia used is y = 3x + 40.
In math, expressions are mathematical statements with a minimum of two terms containing numbers or variables, or both, connected by an operator in between.
The mathematical operators can be any of addition, subtraction, multiplication, or division. For example, p + q is an expression where p and q are terms having an addition operator in between.
There are two types of expressions, numerical expressions - which contain only numbers, and algebraic expressions- which contain both numbers and variables.
let
x = the number of sheets per ream
y = the total number of sheets
Alexia used three reams of paper, so the total number of sheets per ream will be 3x since each ream has the same number of sheets.
After that, she used another 40 sheets. Therefore the expression will become as
y = 3x + 40 represents the total number of sheets Alexia used.
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suppose you went on a vacation in a different country and returning to your school. is the variable 'time to destination' quantitative or qualitative?
The variable 'time to destination' quantitative.
Quantitative variables are those whose values are obtained through measurement or counting. A qualitative variable, also referred to as a category variable, is a non-numerical variable. It describes information that can be categorized. Examples like Eye colors, States, Dog breeds etc.
Any variable that isn't numerical is referred to as a qualitative variable or a category variable. It describes information that falls into a category. Generally speaking, a variable is considered to be quantitative if it can be used mathematically (such as addition). Otherwise, it's top-notch. You cannot, for instance, add blue and green.
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Find the equation for the circle with a diameter whose endpoints are (2,−5​) and (-3,1).
Write the standard equation for the circle.
(Use integers or fractions for any numbers in the equation.)
The equation for the circle with a diameter whose endpoints are (2, -5) and (-3, 1) is (x - 1)^2 + (y - 1)^2 = 13.
The endpoints are (2, -5) and (-3,1).
The standard form equation for a circle is known as
[tex](x-a)^2+(y-b)^2=r^2[/tex]
where (a, b) are the center's coordinates and (r) is the radius.
Taking into account the stated endpoints of the diameter. The center will then be at the midpoint, and the radius will be the distance between the center and either of the two endpoints.
Calculating the midpoint is as follows:
[tex]\left(\frac{x_{1}+x_{2}}{2}, \frac{y_{1}+y_{2}}{2}\right)[/tex]
where, [tex](x_{1},y_{1})[/tex] and [tex](x_{2},y_{2})[/tex] are two points.
Now putting the values
[tex]\left(\frac{x_{1}+x_{2}}{2}, \frac{y_{1}+y_{2}}{2}\right)=\left(\frac{-2+4}{2}, \frac{3-1}{2}\right)[/tex]
[tex]\left(\frac{x_{1}+x_{2}}{2}, \frac{y_{1}+y_{2}}{2}\right)=\left(\frac{2}{2}, \frac{2}{2}\right)[/tex]
[tex]\left(\frac{x_{1}+x_{2}}{2}, \frac{y_{1}+y_{2}}{2}\right)=\left(2, 1)[/tex]
Now we determine the equation of circle.
The center (2, 1) and the terminal are the two points (-2, 3).
r = [tex]\sqrt{(-2-1)^2+(3-1)^2}[/tex]
r =[tex]\sqrt{(-3)^2+(2)^2}[/tex]
r = [tex]\sqrt{9+4}[/tex]
r = √13
Now we can write the equation of circle as:
(x - 1)^2 + (y - 1)^2 = (√13)^2
(x - 1)^2 + (y - 1)^2 = 13
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The complete question is:
Find the equation for the circle with a diameter whose endpoints are (2, -5) and (-3, 1).
Write the standard equation for the circle.
11. A C Best Buy is selling a 62" TV for $1,250. The TV is on sale for 15% off and there is a 6% sales tax. What is the final cost of the TV? $998.75 $1126.25 B D $198.75 $1523.75
Answer:
$1,684.25
Step-by-step explanation:
(.85 x 1250) = 1062.50 If we take off 15% we leave on 85% which as a decimal is .85
Now add the tax
1062.50 + .06(1062.50)
1620.50 + 63.75
1684.25
A plane is on its approach to land on the runway. The jet’s height above the ground is given in feet as a function of the time in seconds. The following table tracks the plane as it lands:
t (in seconds)
h (in feet)
0
4000
5
3500
10
3000
15
2500
20
2000
25
1500
Is this function linear? If it is, what is the slope? Use the formula m = StartFraction delta h Over delta t EndFraction.
a.
No, this is not a linear function.
b.
Yes, this function is linear; the slope is 500 feet/second.
c.
Yes, this function is linear; the slope is 100 feet/second.
d.
Yes, this function is linear; the slope is -100 feet/second.
Answer:
d. Yes, this function is linear; the slope is -100 feet/second.
Step-by-step explanation:
Find the difference in height at two different time periods.
If
Δh = difference in height values
Δt = difference in seconds
then
[tex]\mathrm{slope = \dfrac{\Delta h}{\Delta y}}[/tex]
Take the difference in heights at t = 0 and t = 5
The height drops from 4000 to 3500 feet so Δh = 3500 - 400 = -500
Δt = 5- 0 = 5 seconds
slope = -500/5 = -100
If you compute the slope between any pair of heights and time difference you will get the same value
So slope is constant indicating a linear function
+
At a sale this week, a sofa is being sold for $173.60. This is a 72% discount from the original price.
What is the original price?
The original price of the sofa before the discount is $241.11.
What are percentages?A value or ratio that may be stated as a fraction of 100 is referred to as a percentage in mathematics. If we need to compute a percentage of a number, we should divide it by its whole and then multiply it by 100. The proportion therefore refers to a component per hundred. Per 100 is what the term percent signifies. The letter "%" stands for it.
Let the original price of the sofa be x.
Given that 72% of the original price is $173.60, this can be written mathematically as follows:
72/100 × x = 173.60
72x = 17360
x = 241.11
Hence, the original price of the sofa before the discount is $241.11.
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4(2x – 5) = 4
Part A: How many solutions does this equation have? (4 points)
Part B: What are the solutions to this equation? Show your work.
The equation has one solution
The solution to the equation is x = 3
How to solve the equation4(2x – 5) = 4
To solve this, we would first have to open the bracket.
4 * 2x - 4*5 = 4
8x - 20 = 4
We would want to have the variable x stand on its own
so we take like terms
8x = 4 + 20
8x = 24
To get the value of x divide through the equation by 8
x = 24 / 8
x = 3
The solution is just one at x = 3
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a tin box of 1 m length, 85cm width and 60cm depth is to be made. if the box is without top, find the area of the tin required to make the box and the cost of tin at the rate of 0.50 Rupees per sq. cm
The area of the tin box without the top is 39100 square cm.
The cost of making this tin box is Rs. 19550.
What is a cuboid?A cuboid is a three-dimensional closed figure which has volume along with surface area.
The volume of a cuboid is the product of its length, width, and height.
The total surface area of a cuboid is 2(lw + wh + wl) and the lateral surface area is 2(l + w)×h.
Given, A tin box of 1 m in length, 85cm in width, and 60cm in depth is to be made.
We know the total surface area of a cuboid is 2(lw + wh + wl).
Therefore, The surface area of the cuboid without the top would be,
= 2(lw + wh + wl) - (l×w).
= 2(100×85 + 85×60 + 85×100) - (85×60).
= 2(22100) - 5100.
= 44200 - 5100.
= 39100 square cm.
The cost of making this tin box is Rs.(39100×0.50).
= Rs. 19550.
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Can someone write an equivalent expression to 8(y - 7)?
Answer: 8y-56
Step-by-step explanation: the equivalent expression is 8y-56
Answer: 8y - 56
Step-by-step explanation: Hello! Here are the steps to solve this:
8(y - 7) Use the distributive property, distribute 8 to y and 8 to -7
8y - 56 8 x y = 8y, 8 x -7 = -56
8y - 56 is an equivalent expression to 8(y - 7) because it is simplified. I hope this helps!
Which function has a range limited to only negative numbers?
Answer:
F(x)=-x^2
Step-by-step explanation:
The one example of function with range of only negative number is:
F(x)=-x^2
Why this? We know for every x, x^2 is positive. So -x^2 will be negative.
A three-column table is given. Part A C D Part 14 28 63 Whole 50 B 90 What is the value of B in the table? 64 50 40 12
Using the constant of proportionality the value for B in the table is obtained as option C: B = 40.
What is a COP?
The ratio between two quantities that are directly proportional is the constant of proportionality. When two quantities grow and shrink at the same rate, they are directly proportional.
The table contains three columns A, C, D.
The first row contains all the part values - 14, 28, 63
The second row contains all the whole values - 20, B, 90
It is necessary to calculate the constant of proportionality.
In this case, for A, we have 14 part and 20 whole, the constant will be -
COP = Whole / Part
COP = 20 / 14
COP = 1.42857
In this case, for C, we have 63 part and 90 whole, the constant will be -
COP = Whole / Part
COP = 90 / 63
COP = 1.42857
Since, the constant of proportionality is same for A and C, it will be same for B also.
In this case, for B, we have 28 part and B whole, the constant will be -
COP = Whole / Part
1.42857 = B / 28
B = 1.42857 × 28
B = 40
Therefore, the value for B is obtained as 40.
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A three-column table is given. Part A C D Part 14 28 63 Whole 20 B 90 What is the value of B in the table? 64 50 40 12
The 5th graders are going to paint miniature self portraits in art class. Each student has a canvas that is 5. 3 cm wide and 8. 5 cm tall.
The art teacher has 6 bottles of white paint for the background. Each bottle covers 220. 8 square cm of canvas.
There are 30 students in the class.
Does he have enough paint for all the canvases? If not, how much more does he need?
There is not enough paint for all the canvases. 26.7 cm² of more white paint is required.
Area of each canvas = Length × width
Area of each canvas = 5.3 × 8.5
Performing multiplication
Area of each canvas = 45.05 cm²
Total area of canvas in the class = 45.05 × 30
Performing multiplication
Total area of canvas in the class = 1351.5 cm²
Available amount of white paint = 6 × 220.8
Performing multiplication
Available amount of white paint = 1324.8 cm²
The available amount is less than canvas area in the class.
Amount of paint required = 1351.5 - 1324.8
Performing subtraction
Amount of paint required = 26.7 cm²
Thus, 26.7 cm² of white paint is required.
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30 5.109 ÷ 100 in decimal
The result of the division of the number by 100 gives 3.05109 in decimal.
Define the term decimal number?A decimal is really a number that is divided into two parts: another whole and a fraction.
Between integers, decimal numbers are used to express the numerical value of complete and partially whole quantities.Then, there are two parts to a decimal number: a whole number portion and a fractional portion. The whole component of something like a decimal number has the same decimal point value system as the complete number. After the decimal point, however, when we proceed to the right, we obtain the fractional portion of the decimal number.For the given number.
= 305.109 ÷ 100
Then point will shift to 2 decimals towards left.
= 3.05109
Thus, the result of the division of the number by 100 gives 3.05109 in decimal.
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A coffee shop has a group of seats at the counter and t individual tables, where each
table has the same number of seats. If 2t + 8 represents the total number of seats in the
restaurant, what does 8 represent?
a)the number of seats at each table
b) the number of seats at the counter
c) the total number of customers in the coffee shop
d) the total number of tables in the coffee shop
In the expression 2t+8, 8 represents the number of seats at each table.
What is Expression?An expression is combination of variables, numbers and operators.
Given that A coffee shop has a group of seats at the counter and t individual tables.
where each able has the same number of seats.
2t + 8 represents the total number of seats in the restaurant.
8 represents the number of seats at each table and 2t is the number of individual seats.
Hence, in the expression 2t+8, 8 represents the number of seats at each table.
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This stuff is hard somebody help me pls
The roots of quadratic equations:
b = ± 4 a = ± 1 / 2 x = 11 / 4 ± 17 / 4 n = ± 4 x = 3 / 4 ± √(1517 / 80) x = 7 / 8 ± √(5937 / 256) k = - 7 / 10 ± √(2809 / 100) m = 3 / 2 ± √(361 / 4) n = 3 / 2 ± 4 n = 1 / 6 ± 841 / 36 p = ± 4 v = 5 / 6 ± 14 r = - 5 / 3 ± √(718 / 27) x = 11 / 10 ± √(1 / 10) n = 11 / 4 ± 13 / 4 x = ± 5How to solve quadratic numbers
In this question we need to determine sixteen cases of quadratic equations, whose roots should be determined. This can be done by following procedure:
Write the quadratic equation.Complete the square.Simplify the resulting polynomial into a perfect square trinomial.Clear the independent variable.Now we proceed to show the solution to each case:
Case 1
b² - 4 = 0
b² = 4
b = ± 4
Case 2
4 · a² - 1 = 0
4 · a² = 1
a² = 1 / 4
a = ± 1 / 2
Case 3
2 · x² = 21 + 11 · x
2 · x² - 11 · x - 21 = 0
2 · [x² - (11 / 2) · x - 21 / 2] = 0
2 · [x² - (11 / 2) · x + 121 / 16] = 2 · (121 / 16) + 2 · (21 / 2)
2 · (x - 11 / 4)² = 289 / 8
(x - 11 / 4)² = 289 / 16
x - 11 / 4 = ± 17 / 4
x = 11 / 4 ± 17 / 4
Case 4
2 · n² = 32
n² = 16
n = ± 4
Case 5
5 · x² = 3 · x + 92
5 · x² - 3 · x - 92 = 0
5 · [x² - (3 / 2) · x - 92 / 5] = 0
5 · [x² - (3 / 2) · x] = 5 · (92 / 5)
5 · [x² - (3 / 2) · x + 9 / 16] = 5 · (92 / 5 + 9 / 16)
5 · (x - 3 / 4)² = 1517 / 16
(x - 3 / 4)² = 1517 / 80
x - 3 / 4 = ± √(1517 / 80)
x = 3 / 4 ± √(1517 / 80)
Case 6
4 · x² = 7 · x + 92
4 · x² - 7 · x - 92 = 0
4 · [x² - (7 / 4) · x - 23] = 0
4 · [x² - (7 / 4) · x + 49 / 64] = 92 + 49 / 64
4 · (x - 7 / 8)² = 5937 / 64
x - 7 / 8 = ± √(5937 / 256)
x = 7 / 8 ± √(5937 / 256)
Case 7
5 · k² = - 7 · k + 138
5 · k² + 7 · k - 138 = 0
5 · [k² + (7 / 5) · k - 138 / 5] = 0
5 · [k² + (7 / 5) · k] = 5 · (138 / 5)
5 · [k² + (7 / 5) · k + 49 / 100] = 5 · (138 / 5 + 49 / 100)
5 · (k + 7 / 10)² = 2809 / 20
k + 7 / 10 = ± √(2809 / 100)
k = - 7 / 10 ± √(2809 / 100)
Case 8
m² - 88 = 3 · m
m² - 3 · m - 88 = 0
m² - 3 · m - 352 / 4 = 0
m² - 3 · m = 352 / 4
m² - 3 · m + 9 / 4 = 361 / 4
(m - 3 / 2)² = 361 / 4
m - 3 / 2 = ± √(361 / 4)
m = 3 / 2 ± √(361 / 4)
Case 9
4 · n² - 7 = 12 · n
4 · n² - 12 · n = 7
4 · (n² - 3 · n + 9 / 4) = 7 + 9
4 · (n - 3 / 2)² = 16
n - 3 / 2 = ± 4
n = 3 / 2 ± 4
Case 10
6 · n² - 2 · n = 140
6 · [n² - (1 / 3) · n] = 140
6 · [n² - (1 / 3) · n + 1 / 36] = 140 + 1 / 6
6 · (n - 1 / 6)² = 841 / 6
n - 1 / 6 = ± 841 / 36
n = 1 / 6 ± 841 / 36
Case 11
4 · p² = 64
p² = 16
p = ± 4
Case 12
6 · v² - 10 · v = 84
6 · [v² - (5 / 3) · v] = 84
6 · [v² - (5 / 3) · v + 25 / 36] = 84
6 · (v - 5 / 6)² = 84
(v - 5 / 6)² = 14
v - 5 / 6 = ± 14
v = 5 / 6 ± 14
Case 13
3 · r² - 77 = - 10 · r
3 · r² + 10 · r = 77
3 · [r² + (10 / 3) · r] = 77
3 · [r² + (10 / 3) · r + 25 / 9] = 77 + 25 / 9
3 · (r + 5 / 3)² = 718 / 9
(r + 5 / 3)² = 718 / 27
r + 5 / 3 = ± √(718 / 27)
r = - 5 / 3 ± √(718 / 27)
Case 14
5 · x² - 11 · x = - 6
5 · [x² - (11 / 5) · x + 121 / 100] = - 6 + 5 · (121 / 100)
5 · (x - 11 / 10)² = 1 / 20
(x - 11 / 10)² = 1 / 100
x - 11 / 10 = ± √(1 / 10)
x = 11 / 10 ± √(1 / 10)
Case 15
2 · n² = 11 · n + 6
2 · n² - 11 · n = 6
2 · [n² - (11 / 2) · n] = 6
2 · [n² - (11 / 2) · n + 121 / 16] = 6 + 2 · (121 / 16)
2 · (n - 11 / 4)² = 169 / 8
(n - 11 / 4)² = 169 / 16
n - 11 / 4 = ± 13 / 4
n = 11 / 4 ± 13 / 4
Case 16
4 · x² = 100
x² = 25
x = ± 5
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what is the answer to this
The matching of the inequality with the statement will be 1-B, 2-D, 3-A, and 4-C.
What is inequality?Inequality is defined as an equation that does not contain an equal sign. Inequality is a term that describes a statement's relative size and can be used to compare these two claims.
The matching of inequality with the statement is given as,
The inequality t < 28 represents that Tia ran the race in under 28 seconds.The inequality t > 28 represents that the temperature is warmer than 28°F.The inequality t < 29 represents that Tony is younger than 29 years old.The inequality t > 29 represents that the table is heavier than 29 kilograms.The matching of the inequality with the statement will be 1-B, 2-D, 3-A, and 4-C.
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Find the surface area of this rectangular prism. Be sure to include the correct unit in your answer.
PLSSSSS HELPPP!!!!!
The surface area of the rectangular prism is 112 square metes.
What is surface area?The sum of all area of each surface that make up an object is referred to as its surface area.
So that in the given question,
Area of a rectangle = length x width
i. area of its base = length x width
= 8 x 2
= 16 sq. m
ii. area of its front surface = length x width
= 4 x 8
= 32 sq. m
iii. area of it one of its sides = length x width
= 4 x 2
= 8 sq. m
Therefore,
surface area of the rectangular prism = (2 x 16) + (2 x 32) + (2 x 8)
= 32 + 64 + 16
= 112
The surface area of the rectangular prism is 112 square meters.
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Given the function h(x)=3x, which statement is true about h(x)?
O The function is decreasing on the interval (-∞, 0).
O The function is increasing on the interval (-∞, 0).
O The function is decreasing on the interval (0, ∞).
O The function is increasing on the interval (0, ∞).
Answer:
Two statement are true.
O The function is increasing on the interval (-∞, 0).
O The function is increasing on the interval (0, ∞).
Step-by-step explanation:
The function h(x) = 3x is a linear function (straight line) with a slope of 3, and a y-intercept of 0. The constant, positive slope means that h(x) will increase over the interval (-∞, ∞).
See the attached graph.
Using the vertex (5, 17) and a point (11, -109), write your equation in Vertex Form.
Answer:
y=-3.5(x−5)^2+17
Step-by-step explanation:
Let's assume that since this equation has a vertex that it is a parabola with the form y = ax^2 + bx + c.
Let's rewrite it in vertex form as:
y=a(x−h)^2+k
where h and k are the horizontal (h) and vertical (k) coordinates of the vertex.
The vertex of (5,17) gives us both h (5) and k (17), Substituting these values gives us:
y=a(x−5)^2+17
To find a, use the one given point the parabola intersects (11,-109) and solve for a:
y=a(x−5)^2+17
-109=a((11)−5)^2+17
-109=a(6)^2+17
-109-17=a(36)
36a = -126
a = -3.5
This leads us to:
y=-3.5(x−5)^2+17
See the attached graph.
use zero product property to determine x ints of y= x^2 +4x-20 exact and approximate
By cancelative property, the roots of quadratic equation x² + 4 · x - 20 are: Exact: - 2 + 2√6, - 2 - 2√6, Approximate: 2.899, -6.899.
How to find the roots of a polynomial by cancelative property
In this problem we must factorize a quadratic equation and use an algebraic property known as cancelative property, defined as:
If a · b = 0, then a = 0 or b = 0.
In addition, we can apply the following factorization rule:
x² - (r₁ + r₂) · x + r₁ · r₂ = (x - r₁) · (x - r₂)
First, factorize the quadratic equation:
x² - (- 2 + 2√6 - 2 - 2√6) · x + (- 2 + 2√6) · (- 2 - 2√6)
(x + 2 - 2√6) · (x + 2 + 2√6)
Second, apply cancelative property:
x + 2 - 2√6 = 0
x = - 2 + 2√6
x + 2 + 2√6 = 0
x = - 2 - 2√6
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This is for geometry I need to know step by step appreciate it
For the given similar triangles, the value of x = 5.
What are similar triangles used for?Similar triangles share the same associated angle measurements and proportional side lengths.
Due to their similar shapes, two figures that are not always the same size can appear comparable. We might claim, for instance, that all circles are equivalent. Squares and equilateral triangles share similar characteristics. Although similar figures need not be congruent in order to be comparable, congruent figures are always comparable.
Despite having the same shape, similar triangles have different diameters. In identical triangles, corresponding angles are equal. In analogous triangles, the ratio of the corresponding sides is the same. Any pair of equivalent sides' squares and any comparable triangle's area have the same ratio.
As the given triangles are similar,
the sides are in same ratio,
⇒ 56 / 8x - 5 = 24 / 15
⇒ 8x - 5 = 35
⇒ 8x = 40
⇒ x = 5
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simplify the expression
does anyone know how to read this I don’t know what it says
Multiply.
(x² - 5x) (2x²+x-3)
O A. 2x+9x3 - 8x² + 15x
OB. 2x4-9x3-8x² + 15x
OC. 4x+9x3-8x² + 15x
OD. 2-9x3-9x² - 15x
The resultant of the given expression (x² - 5x) (2x²+x-3) is 2x^4 - 7x^3 -8 x^2 + 15x .
What is Algebraic expression ?
Algebraic expression can be defined as the combination of variables and constants.
Given expression,
(x² - 5x) (2x²+x-3)
= x^2 ( 2x^2+x-3) - 5x(2x^2 + x - 3)
= 2x^4 + x^3 - 3x^2 - 5x * 2x^2 + x*-5x - 3 * -5x
= 2x^4 + x^3 -3x^2 - 10 x^3 - 5x^2 + 15x
= 2x^4 + x^3 - 10x^3 -3x^2 - 5x^2 + 15x
= 2x^4 - 7x^3 -8 x^2 + 15x .
Hence, The resultant of the given expression (x² - 5x) (2x²+x-3) is 2x^4 - 7x^3 -8 x^2 + 15x .
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I need help with elimination, the first part is 4x+5y=48 and the second part is 7x–3y=−10
The solution to the system of equations in this problem is given as follows:
(2,8).
How to solve the system of equations?The system of equations for this problem is defined as follows:
4x + 5y = 48.7x - 3y = -10.To eliminate the variable y, we multiply the first equation by 3 and the second by 5, hence:
12x + 15y = 144.35x - 15y = -50.Adding the two equations, the solution for x is obtained as follows:
47x = 94
x = 94/47
x = 2.
Hence the solution for y is obtained as follows:
4(2) + 5y = 48
5y = 40
y = 40/5
y = 8.
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Please help me this is driving me crazy
Answer:
24 days = 1500 tables
25 days = Fewer than 1500 tables
Step-by-step explanation:
So we have the inequality of < which is fewer than. Let's start by labeling all the numbers given.
What we want to find is how many days, so we'll make days = x
2100 is the initial and they sell 25 a day... 25 a x.
Combining them all we get a basic inequality of:
2100 - 25x < 1500
Let's get X alone.
Subtracting 2100 from both sides gives you
-25x < -600.
We have negatives on both sides. For me, if I see that, I make both of them positive;
25x < 600
Last step is to divide the 25 out of the X which means you'll divide 25 by 600 also
X = 24
Which means day 24 will be exactly 1500. We wanted fewer though, so adding a day gives you an answer of 25 days.
Suppose you roll the number cube 199 more times would you expect the experimental probability of rolling a 3 or 4 the same as your answer in exercise 5
if an integer is randomly selected from all positive 2-digit integers, what is the probability that the integer chosen has (a) a 4 in the tens place? (b) at least one 4 in the tens place or the units place? (c) no 4 in either place?
The probability of 4 in the tens place is [tex]\frac{1}{9}[/tex], the probability of at least one 4 in the tens place or the units place is [tex]\frac{1}{5}[/tex], the probability no 4 in either place is [tex]\frac{4}{5}[/tex].
(a) total number of 2-digit terms =(99 - 10) + 1 = 90
n(s) = 90
A probability is a number that reflects the chance or likelihood that a particular event will occur. Probabilities can be expressed as proportions that range from 0 to 1, and they can also be expressed as percentages ranging from 0% to 100%
number of 2 digits that have 4 in tens place = 40, 41, 42 ......49
n(a) = 10
P(A) =[tex]\frac{ n(a)}{n(s)}[/tex]
Substituting the values
P(A) = [tex]\frac{10}{90}[/tex]
P(A) = [tex]\frac{1}{9}[/tex]
Therefore, P(A) = [tex]\frac{1}{9}[/tex]
(b) From the previous one, we know the P(A) = [tex]\frac{1}{9}[/tex]
Number of 4's in units place = 14, 24, 34.....94 = 9
n(b) = 9
P(B) = [tex]\frac{ n(b)}{n(s)}[/tex]
Substituting the values
P(B) = [tex]\frac{9}{90}[/tex]
P(B) =[tex]\frac{1}{10}[/tex]
P(A and B) = [tex]\frac{1}{10}[/tex]
Using OR probability, we have
P(A or B) = P(A) + P(B) - P(A and B)
P([tex]\frac{1}{9}[/tex] or [tex]\frac{1}{10}[/tex]) = [tex]\frac{1}{9}[/tex] + [tex]\frac{1}{10}[/tex] - [tex]\frac{1}{90}[/tex]
P([tex]\frac{1}{9}[/tex]or [tex]\frac{1}{10}[/tex]) = [tex]\frac{1}{5}[/tex]
Therefore, P([tex]\frac{1}{9}[/tex]or [tex]\frac{1}{10}[/tex]) = [tex]\frac{1}{5}[/tex]
(c) Probability of no 4 in either place = 1 - ( probability of 4 in either place)
= 1 - [tex]\frac{1}{5}[/tex] = [tex]\frac{4}{5}[/tex]
Therefore, probability of no 4 in either place = [tex]\frac{4}{5}[/tex]
Therefore, the probability that the integer chosen has a 4 in the tens place is [tex]\frac{1}{9}[/tex], P([tex]\frac{1}{9}[/tex] or [tex]\frac{1}{10}[/tex]) = [tex]\frac{1}{5}[/tex], and probability of no 4 in either place = [tex]\frac{4}{5}[/tex].
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