The equation that is used to determine the number of cords in a pile of wood h ft tallis is the number of cords = 280×h×128.
What is an equation?
There are many different ways to define an equation. The definition of an equation in algebra is a mathematical declaration that illustrates the equality of two mathematical expressions.
Given that
The number of cords in a pile l ft long, w ft wide, and h ft tall can be estimated using the equation number of cords=lwh128.
The length of the wood pile is 14 ft and the wide is 20 ft.
The product of length and width is lw = 14×20 = 280 ft².
Putting lw= 280 in the equation number of cords=lwh128:
number of cords = 280×h×128
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What is the ratio of the amount spent on staff salaries to the total budget for the youth programs?
1:10
1:8
1:5
1:4
1:2
Answer:1:2
Step-by-step explanation:
Is y= |x| + 4 a relation or function
Answer: probably a function
Step-by-step explanation:
Which of the following items would you most likely not be able to keep in Chapter 7 bankruptcy?
a.
equity in your home (the amount of your home that you actually owe)
b.
a genuine leather jacket worth $600
c.
a sports car with $9,000 equity
d.
automotive tools that you own
Please select the best answer from the choices provided.
The answer is (c) a sports car with $9,000 equity.
What is the equity?
Equity is the value of the shares you have purchased from a company. The equity you have gives value to you as a person based on your business or a business you support.
In a Chapter 7 bankruptcy, certain property may be exempt from liquidation, while other property may be subject to liquidation to repay creditors.
The exempt property is generally determined by state law, and may include things like a certain amount of equity in a primary residence, a vehicle, and personal property such as clothing and household goods.
Answer (a) refers to equity in a home, which may be exempt in certain cases depending on the state's homestead exemption laws. If the amount of equity in the home falls within the exemption limit, then it may be able to be kept in a Chapter 7 bankruptcy.
Answer (b) refers to a genuine leather jacket worth $600. In many cases, clothing and personal items are exempt in a Chapter 7 bankruptcy, so it is likely that the jacket could be kept.
Answer (c) refers to a sports car with $9,000 equity.
Depending on the state's motor vehicle exemption laws, the equity in the car may exceed the exemption limit and may need to be liquidated to repay creditors.
Answer (d) refers to automotive tools that you own.
Depending on the state's personal property exemption laws, the tools may be exempt and may be able to be kept in a Chapter 7 bankruptcy. However, if the value of the tools exceeds the exemption limit, they may need to be liquidated to repay creditors.
Therefore, the answer is (c) a sports car with $9,000 equity.
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6.) Information collected from a random sample of 29 visitors to a civic art fair indicates an average amount of money spent per person (Symbol) of $38.75, with a sample standard deviation (s) of $6.33. Based on that information, develop a 99% confidence interval to provide an estimate of the mean expenditure per person for the entire population of visitors.
We can be 99% confident that the true mean expenditure per person for the entire population of visitors falls between $35.72 and $41.78.
What is the mean expenditure?Mean expenditure per person for the entire population of visitors refers to the average amount of money spent by each person who visited a particular place, calculated across the entire population of visitors. To calculate the mean expenditure per person, you would add up the total amount of money spent by all visitors and divide that by the total number of visitors.
To develop a 99% confidence interval (CI) to provide an estimate of the mean expenditure per person for the entire population of visitors, we can use the following formula:
CI = X ± Zα/2 * (s/√n)
Where:
X = sample mean = $38.75
s = sample standard deviation = $6.33
n = sample size = 29
Zα/2 = critical value from the standard normal distribution for a 99% confidence level, which is 2.576
Plugging in the values, we get:
CI = 38.75 ± 2.576 * (6.33/√29)
CI = 38.75 ± 2.576 * 1.176
CI = 38.75 ± 3.031
CI = [35.72, 41.78]
Therefore, we can be 99% confident that the true mean expenditure per person for the entire population of visitors falls between $35.72 and $41.78.
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Holly opened a savings account at a local bank. She deposited $1,300.00 into the account 6 years ago. If the account earns an annual simple interest rate of 6.8%, how much interest has she earned?
Answer:
Interest = $530.4
Step-by-step explanation:
We know:
Interest = Principal x Rate x Time
First, put in the numbers:
Interest = $1,300 x 6.8% x 6 years
Interest = $1,300 x [tex]\frac{6.8}{100}[/tex] x 6 years
Interest = $13 x 6.8 x 6 years
Interest = $88.4 x 6
Interest = $530.4
Find the value of r, when S=9000, P=6890, n=3
The interest rate is 9.6%.
What is Interest?Interest is the amοunt οf mοney paid οr earned fοr the use οf bοrrοwed mοney οr fοr the privilege οf keeping mοney in an accοunt. It is calculated as a percentage οf the principal (οriginal amοunt) and varies depending οn factοrs such as the interest rate, the length οf the lοan οr investment, and the cοmpοunding frequency.
Tο sοlve fοr the interest rate r, we can use the fοrmula fοr cοmpοund interest:
[tex]S = P*(1 + r)^n[/tex]
where S is the final amοunt, P is the principal (initial amοunt), r is the interest rate (as a decimal), and n is the number οf cοmpοunding periοds.
Plugging in the given values, we get:
[tex]9000 = 6890*(1 + r)^3[/tex]
Dividing bοth sides by 6890:
[tex]1.306 = (1 + r)^3[/tex]
Taking the cube rοοt οf bοth sides:
1.096 = 1 + r
Subtracting 1 frοm bοth sides:
r = 0.096 οr 9.6%
Therefοre, the interest rate is 9.6%.
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27. The sets of ordered pairs below represent the cost to fix a plumbing issue based on the number of hours. The first coordinate represents the hours and the second coordinate the cost.
Select the sets of ordered pairs that are proportional relationships.
A. {(2,160),(4,320),(5,400),(8,640)}
B. {(1,90),(3,170),(4,210),(6,290)}
C. {(1,135),(4,210),(6,255),(8,290)}
D. {(2,150),(3,225),(7,525),(8,600)}
E. {(4,220),(5,275),(6,330),(7,385)}
The correct option is A, B and E sets of ordered pairs
A. {(2,160),(4,320),(5,400),(8,640)}B. {(1,90),(3,170),(4,210),(6,290)}E. {(4,220),(5,275),(6,330),(7,385)}What is pair?Pair is twο identical οr similar items that are intended tο be used tοgether. Examples οf pairs include shοes, sοcks, glοves, scissοrs, and chοpsticks. Pairs are οften used as a way tο create symmetry in a design, such as a pair οf matching curtains, οr tο fοrm a cοmplete unit, such as a pair οf bοοkends. In mathematics, a pair is twο elements that are related in sοme way and are usually represented by an οrdered set, such as (a, b).
Fοr example, in set A, the ratiο between the twο cοοrdinates is 2:160, 4:320, 5:400, and 8:640, which is the same in each pair.
Therefοre, the cοrrect οptiοn is A,B and E
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Find the equation of the line shown.
Answer:
y = -x + 9
Step by step explanation:
In order to write the equation of the line, we can write it in slope intercept form [tex]y=mx+b[/tex] where m is the slope and b is y intercept. Judging by the graph, we can see that the line is passing through (0,9) which makes that our y intercept.
To find the slope, we can count the slope using [tex]\frac{rise}{run}[/tex] or using the slope formula. For the sake of simplicity, we will count the slope, Counting the slope, we get [tex]\frac{-1}{1}[/tex] or simply [tex]-1[/tex]. Now we just have to plug our numbers into the formula.
[tex]y=-x+9[/tex]
What is the outlier in the set of data below:
12, 8, 15, 45, 7, 13
a
7
b
8
c
15
d
45
Answer:
D
Step-by-step explanation:
Classifying a Parallelagram
The values are, ∠BCA = 65°, ∠B = 72°, x = 3
Define the term parallelogram?A quadrilateral with two sets of parallel sides is referred to as a parallelogram. As a result, a parallelogram's opposite sides are parallel and congruent in length, and its opposite angles are similarly congruent.
Given that the diagram ABCD is a parallelogram,
So, BC = AD (parallel sides are equal)
2x = 6
x = 3
BC ║ AD and AC is a transversal line,
then, ∠BCA = ∠DAC (alternate interior angle)
∠BCA = 65°
Opposite angles are equal for parallelogram then,
∠B = ∠D
∠B = 72°
Therefore, the values are, ∠BCA = 65°, ∠B = 72°, x = 3
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There is a bamboo 10 ft high, the upper end of which, being broken, reaches the ground 3 ft from the stem. Find the height of the break.
find the equation of the line using the point-slope formula. write the final equation using the slope-intercept form. (1,2) with a slope of -5/6
Answer: The point-slope formula is given by:
y - y1 = m(x - x1)
where m is the slope of the line and (x1, y1) is a point on the line.
We have a point (1,2) and a slope of -5/6. Substituting these values into the point-slope formula, we get:
y - 2 = (-5/6)(x - 1)
Expanding and rearranging this equation gives:
y - 2 = (-5/6)x + (5/6)
y = (-5/6)x + (5/6) + 2
y = (-5/6)x + (17/6)
This is the equation of the line in slope-intercept form, y = mx + b, where m is the slope (-5/6) and b is the y-intercept (17/6).
Step-by-step explanation:
Find the equation of a line that passes through the point (-3,-1) and has a gradient of 2.
Leave your answer in the form
y=mx+c
-1=2(-3)+c
-1=-6+c
-1+6=c
c=5
therefore...
y=2x+5
Step-by-step explanation:
In
Calculate the volume of a prism with:
L = 9 in
W = 1 ¹⁄ ³ in.
H = 4 ²⁄ ³ in.
Select one:
A.
56 in³
B.
52 in³
C.
54 in³
Answer:
The volume of the prism is 54 in³.
This can be calculated by multiplying the length by the width by the height.
Which comes out to 9 in x 1 ¹⁄ ³ in x 4 ²⁄ ³ in = 54 in³.
Select the values that make the inequality y/8 ≤ 2. true. Then write an equivalent inequality, in terms of y. (Numbers written in order from least to greatest going across.)
y/8 ≤ 2 is equivalent to y ≤ 16.
What is inequality?Inequality in math is a statement that two expressions or values are not equal. This can be expressed using symbols such as >, <, ≥, or ≤. Inequality problems are used to solve for a variable that is not necessarily equal to a given value. An example of an inequality problem is finding the value of a variable in the equation x > 5. The solution to this problem is all real numbers greater than 5.
This is happening because when we divide both sides of the inequality y/8 by 8, we are essentially dividing both sides of the inequality by the same number. This preserves the order of the numbers and the inequality sign. So, dividing both sides by 8 results in y ≤ 16, which is the same as y/8 ≤ 2.
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Ayudaaaaa no sé cuando vaya a venir a revisar estoooolo
huh um intentaría ayudar pero no tiene mucho sentido lo siento
Use the quadratic formula to find the exact solutions of x2 − 5x − 2 = 0. x equals negative b plus or minus the square root of b squared minus 4 times a times c, all over 2 times a x equals 5 plus or minus the square root of 33, all over 2 x equals negative 5 plus or minus the square root of 33, all over 2 x equals 5 plus or minus the square root of 17, all over 2 x equals negative 5 plus or minus the square root of 17, all over 2
Answer: The correct solution using the quadratic formula is:
x = (-(-5) ± sqrt((-5)^2 - 4(1)(-2))) / (2(1))
Simplifying:
x = (5 ± sqrt(33)) / 2
Therefore, the exact solutions of x^2 - 5x - 2 = 0 are:
x = (5 + sqrt(33)) / 2 or x = (5 - sqrt(33)) / 2
So the final answers are:
x = 2.79 or x = 2.21 (rounded to two decimal places)
Your welcome (:
Answer:
C
Step-by-step explanation:
It was right for me
Problem 7
Remember that base five numbers are in a 1- 5 dots-and-boxes system. What are the place values in the
15 system? Fill in the blanks:
-
25 5 1
1. Draw a dots-and-boxes picture of the number 424five-
2. Draw a dots-and-boxes picture of the number 11 five
3. Use the dots and boxes method to find
424five 11five-
Rewritethedivisionsentence424_\text{five} \div
Answer:
sorrrrrry
Step-by-step explanation:
sorrrrrrŕreeeeeeey
What percent of the customers purchased fewer than 6 flowers
Finding the percentage of consumers who bought fewer than six flowers requires figuring out what proportion of the data is below six. [tex]40[/tex] % of customers purchased fewer than 6 flowers.
What is the parameter for calculating percent?Based on the box plot, we can see that the minimum value is 2, and the maximum value is 12. The box plot also shows that the median (50th percentile) is between 6 and 8.
To find the percent of customers who purchased fewer than 6 flowers, we need to determine what percent of the data is below 6.
From the box plot, we can see that the lower quartile (25th percentile) is at 2, and the upper quartile (75th percentile) is at 10.
Therefore, the interquartile range (IQR) is [tex]10 - 2 = 8.[/tex]
To find the percentage of customers who purchased fewer than 6 flowers, we need to find the percentile rank of 6.
Percentile rank = ((value below target) / (total values)) x 100
Percentile rank of [tex]6 = ((2 / 5) \times 100) = 40[/tex]%
Therefore, [tex]40[/tex] % of customers purchased fewer than 6 flowers.
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The given question is incomplete. the complete question is given below.
Rodrigo works at a flower shop. He recorded how many flowers each customer purchased
yesterday. This box plot shows the results.
Flowers purchased
++
2
6
8
10
12
What percent of the customers purchased fewer than 6 flowers?
%
Gasoline costs $0.83/liter and has a density of 900 g/liter. What is the cost of 48.5 kg of gasoline? Round to the nearest cent.
By simplification, the cost of 48.5 kg of gasoline is approximately $0.04.
What is density?
Density is a physical property of matter that describes how much mass is present in a given volume of a substance. It is defined as the amount of mass per unit volume and is usually expressed in kilograms per cubic meter (kg/m³) or grams per cubic centimeter (g/cm³). The formula for density is:
Density = Mass / Volume
First, we need to find the volume of 48.5 kg of gasoline using its density:
Volume = Mass / Density = 48.5 kg / 900 g/L = 0.05389 L
Next, we can find the cost of this volume of gasoline:
Cost = Volume x Price per liter = 0.05389 L x $0.83/L = $0.0448
Rounding this to the nearest cent, we get:
Cost = $0.04
Therefore, the cost of 48.5 kg of gasoline is approximately $0.04.
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classifying parallelograms
The values are, ∠Q = 96°, x = 1, ∠QTR = 47°
Define the term parallelogram?A quadrilateral with two sets of parallel sides is referred to as a parallelogram. As a result, a parallelogram's opposite sides are parallel and congruent in length, and its opposite angles are similarly congruent.
Given that the diagram QRST is a parallelogram then the parallel sides and angles are equal.
So, ∠Q = ∠S (Equal angles)
∠Q = 96°
and, QT = RS (Equal parallel sides)
6x = 6
x = 1
Co-interior angle of figure, RS║QT and ST is a transversal line,
So, ∠RST + ∠STQ = 180°
96° + 37° + ∠QTR = 180° (here ∠STQ = 37° + ∠QTR)
∠QTR = 180° - 133°
∠QTR = 47°
Therefore, The values are, ∠Q = 96°, x = 1, ∠QTR = 47°
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Brian is at the grand opening celebration of a supermarket. He spins a wheel with 10 equal-sized slices, as shown below. The wheel has 3 black slices, 3 grey slices, and 4 white slices. When the wheel is spun, the arrow stops on a slice at random. If the arrow stops on the border of two slices, the wheel is spun again. (a) If the arrow stops on a black slice, then Brian wins a gift card. Find the odds against Brian winning a gift card.
The probability against Brian winning a gift card are approximately 3.118 to 1.
What is probability?Probability is a measure of the likelihood of an event occurring. It is expressed as a number between 0 and 1, where 0 represents an impossible event and 1 represents a certain event. The probability of an event happening is calculated by dividing the number of favorable outcomes by the total number of possible outcomes. Probability is used in various fields, such as statistics, finance, science, engineering, and gaming, to make predictions and decisions based on uncertain events.
In the given question,
The probability of the arrow stopping on a black slice is 3/10. Therefore, the probability of the arrow stopping on a non-black slice is 7/10.
If the arrow stops on the border of two slices, the wheel is spun again, so Brian has another chance to win. The probability of the arrow stopping on a non-black slice is 7/10, so the probability of the arrow stopping on a black slice on the second spin is 3/7.
To find the odds against Brian winning a gift card, we first find the probability of him not winning a gift card on either spin:
P(not winning) = P(non-black on first spin) + P(black on first spin and non-black on second spin)
P(not winning) = (7/10) + (3/10) × (4/7)
P(not winning) = 0.7571
The probability of not winning is 0.7571, so the odds against winning are:
Odds against winning = P(not winning) / P(winning)
Odds against winning = 0.7571 / 0.2429
Odds against winning = 3.118
Therefore, the odds against Brian winning a gift card are approximately 3.118 to 1.
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Employees at a computer store are paid a base salary of $2,000 a month plus an 8% commission on sales over $7,000 for the month. How much must an employee sell a month to make a total of $4,000 for the month?
The employee must sell $32,000 worth of merchandise in the month to make a total of $4,000.
How to calculate the employee must sell a month to make a total of $4,000 for the monthLet's first find out how much commission an employee would earn if they sold $x in a month,
where x is the amount of sales over $7,000.
The commission earned would be 8% of x, or 0.08x.
To earn a total of $4,000 for the month, the employee would need to earn a base salary of $2,000 plus an additional $2,000 in commission.
So we can set up the following equation:
0.08x + 2000 = 4000
Subtracting 2000 from both sides, we get:
0.08x = 2000
Dividing both sides by 0.08, we get:
x = 25000
Therefore, the employee must sell $25,000 in a month to make a total of $4,000 for the month. Note that this is the amount of sales over $7,000, so the total sales for the month would be $25,000 + $7,000 = $32,000.
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Match the vocabulary terms to the correct definitions.piecewise function
A piecewise function is a function that has different definitions, based on the interval of the input values of the function.
What is a piecewise function?A piecewise function is a mathematical function that is defined by different rules over different intervals or subdomains of its domain. These different rules can take on different forms or expressions, allowing the function to behave differently on different parts of its domain.
Hence one example of a piecewise function is the absolute value function, which is defined as follows, depending on the signal of the input:
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The national history museum has collected 45 dinosaurs. George has collected 3/5 of this amount. How many dinosaurs has george collected?
(g3 math)
the total number of dinosaurs: George has collected 27 dinosaurs.
What is multiplication?Multiplication is a mathematical operation that involves combining two or more numbers to find their total or product. It is a way to represent repeated addition. For example, 3 times 4 can be written as 3 x 4, which means adding 3 to itself 4 times to get a total of 12. Multiplication is denoted by the symbol "x" or "·" or "*", and the numbers being multiplied are called factors or multiplicands, while the result is called the product. Multiplication can be done using different methods, such as memorization of multiplication tables, or using algorithms like long multiplication or lattice multiplication. Multiplication is a fundamental operation in mathematics, and it is used in many areas of science, engineering, and economics.
Given by the question.
To find out how many dinosaurs George has collected, we can start by calculating 3/5 of the total number of dinosaurs:
3/5 x 45 = 27
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60 people plan to attend the dance and each person will eat 2 slices of cake. If each cake contains 8 slices, how many cakes should you order?
Answer: 15 Cakes
Step-by-step explanation:
2 slices per person, and 8 slices in 1 cake means that 4 people can share 1 cake.
So, you would do the amount of people (60) divided by the number of people that can eat 1 cake (4) to end up with ordering 15 cakes
How many 2-digit numbers contain the digit 7 only once
Answer:
18
Step-by-step explanation:
Counting:
07 17 27 37 47 57 67 70 71 72 73 74 75 76 78 79 87 97
notice we can ALSO use variation with no repetition equation with n=9 (numbers from 0 to 10) and p=1 (two digits) but the value can be in the first position or the second position
[tex]\frac{9!}{(9-8)!}[/tex] + [tex]\frac{9!}{(9-8)!}[/tex][tex]=9+9=18[/tex]
help me graph this pls
The frisbee would spend 2.62 seconds in air before touching ground.
What is an equation?An equation is an expression that shows the relationship between numbers and variables using mathematical operators such as addition, subtraction, exponent, multiplication and division.
Let h represent the height of the frisbee after t seconds.
h = -16t² + 40t + 5
The time the Frisbee is in air is at h = 0, hence:
-16t² + 40t + 5 = 0
t = 2.62 seconds
The frisbee would spend 2.62 seconds in air
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a) Note that given the above function the height of the Frisbee each second it is in the air are:
t=1; h=29 feett=2; h = 21 feett =3; h = -19b) The frisbee lasts t [tex]\approx[/tex] 2.6 (s) in the air.
What is the justification for the above response?Recall that the function given is -16t² + 40t + 5
t=0; and h = 5
a)
Where t is 1
h = -16t² + 40t + 5
h= -16(1)² + 40(1) + 5
h= -16 + 40 + 5
h= 24 + 5
h= 29, thus, where = 1, h = 29
Using a similar sequence above, where t is
t=2; h = 21 feet; and where
t =3; h = -19
b) in this case, we must set h(t) = 0
⇒ -16t² + 40t + 5 = 0
To solve for t in the equation -16t² + 40t + 5 = 0, we can use the quadratic formula:
t = (-b ± √(b² - 4ac)) / 2a
where a, b, and c are the coefficients of the quadratic equation.
In this case, a = -16, b = 40, and c = 5, so substituting these values into the quadratic formula, we get:
t = (-40 ± √(40² - 4(-16)(5))) / 2(-16)
Simplifying:
t = (-40 ± √(1600 + 320)) / (-32)
t = (-40 ± √(1920)) / (-32)
t = (-40 ± 8 √(30)) / (-32)
t = (5/4) ± (√(30)/4)
Thus we have:
t = (5/4) + (√(30)/4) or t = (5/4) - (√(30)/4)
t₁ = 1.25 + (5.477225575051661134569697828008/4) or
t₂ = 1.25 - (5.477225575051661134569697828008/4)
t₁ = 1.25 + 1.369306393762915283642424457002
t₁ [tex]\approx[/tex] 2.6
t₂ = 1.25 - 1.369306393762915283642424457002
t₂ [tex]\approx[/tex] -0.119
Thus the Frisbee lasts approximatley 2.6 seconds in the air.
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A ladder 17 feet long is leaning against a wall. The bottom of the ladder is 8 feet from base of the wall. How far up the wall is the top of the ladder?
Round to the nearest tenth if necessary.
ANSWER IN FEET!!!
The top of the ladder is 15 feet up the wall.
What is right-angle triangle?
If one of the triangle's angles is 90 degrees, the triangle is said to be right-angled. The combined angles of the other two are 90 degrees. The triangle's base and perpendicular sides both include the right angle. The longest side of the three sides, known as the hypotenuse, is the third side.
Given that the height of the ladder is 17 feet. The distance between the base of the ladder and the wall is 8 feet.
It forms a right-angle triangle.
The hypotenuse of the triangle is 17 feet and the base is 8 feet.
Apply Pythagorean theorem:
Altitude² = Hypotenouse² - Base²
Altitude² = 17² - 8²
Altitude² = 289 - 64
Altitude² = 225
Take square root on both sides:
Altitude = ± 15
Since height can't be a negative number, Altitude = 15 feet.
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6. The table below displays the distances driven during each 1-hour interval of a 4 hour trip.
A. 235mi
B. 240mi
C. 245mi
D. 250mi
The total distance for the 4 hour trip can be calculated by adding the distances for each hour interval. 55.23 + 64 3/4 + 52 3/10 + 67.89 = 250 mi.
What is distance?Distance is the measurement of how far apart two points are in space. It is an important concept in mathematics, science, engineering, and many other disciplines. Distance can be measured in terms of length, time, speed, and direction. Distance is often measured in units such as meters, kilometers, feet, and miles, but it can also be measured using other units such as light years. Distance is a concept that can be used to describe the physical relationship between two objects, the location of an object relative to another object, the length of a journey, or the amount of time it takes to travel between two points.
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