what is the expression -3(4k-8) simplified
Answer:
-12k + 24
Step-by-step explanation:
-3 × -8 = 24
-3 × 4k = -12k
The value of y directly proportional to the value of x. If y= 8 when x= 12, what is the value of y when x= -15?
The value of y directly proportional to the value of x. If y= 3 when x= 24, what is the value of y when x= -8?
Answer:
The value of y should be -10
Step-by-step explanation:
If x and y are proportional, then 8/12=y/-15
The fractions just show the y values over the x values
Cross multiply to get 12y= -120
y= -10
Hank's pickup can travel 65 miles on 5 gallons of gas. How many gallons will Hank's pickup need to travel 39 miles?
Answer: 3 Gallons
Step-by-step explanation:we divide 65 by 5 and it comes out to 13 so 13 is our miles per gallon and we divide it by 39 and end up with 3 gallons
Dividing by 2 always produces a number less than the original number
Dividing the number by 2 gives half of the number which is less than the original number.
Given that,
To specify dividing by 2 always produces a number less than the original number.
A number system is described as a technique of composing to represent digits. It is the mathematical inscription for describing the numbers of a given set by using numbers or other characters in a uniform method. It delivers a special presentation of every digit and describes the arithmetic structure.
Dividing the number by 2 gives half of the number which is less than the original number.
Let the number be x,
Dividing the number by 2
Gives, x / 2 = 0.5 * x
Imply,
Dividing the number by 2 gives half of the number which is less than the original number.
Thus, dividing the number by 2 gives half of the number which is less than the original number.
Learn more about the number system here:
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Kate had 70 dollars to spend on 6 books. After buying them he had 16 dollars. How much did each book cost?
Answer:
Each book costs 9 dollars.
Step-by-step explanation:
(70-16)= 6x
54= 6x
x=9
Answer:
9
Step-by-step explanation:
equation: (70-16)÷6
70-16=54
54÷6=9
Assignments due in 4 minutes. HELP
Answer:
(-1,4)
Step-by-step explanation:
Because you look at the (Y,X) line first and then you see the Y is -1 and the X line is 4 and that will give you an answer as (-1,4)
given the diagram below, if e||f, m<=35°, m<2=95°, m<3=85°, and m<4= 155°, which statements are true? check all that apply
Answer:
the first answer and the last one
Bunny Hill Ski Resort charges $35 for ski rental and $10 an hour to ski. Black Diamond Ski Resort charges $40 for ski rental and $5 an hour to ski. Create an equation to determine at what point the cost of both ski slopes is the same.
HELP PLZZZZZZZZZ :(
A 10x − 35 = 5x − 40
B 10x + 35 = 5x + 40
C 10x + 40 = 5x + 35
D 10x − 40 = 5x − 35
Answer:
Step-by-step explanation:
The answer is A. 10x - 35
Lowest temps, Ontario, CA, April 2020 Date Low temperature 4/4/20 −1.8 °C 4/12/20 0.6 °C 4/18/20 −2.8 °C 4/23/20 (missing) 4/28/20 −0.2 °C The table shows the lowest temperatures recorded on five days in April 2020, but the value for 4/23/20 has been lost. If X is the lost value, and if we know that X was the middle value of the five days, which choice could be the value of X? A) −1.9 °C B) −0.9 °C C) −0.1 °C D) 0.4 °C
Answer: D
Step-by-step explanation:
If you notice there is a pattern going on here the first temp recorded is negetive then the next is a normal temp then the next is negetive so it would be reasonable to think that the next temp would be normal and all the other options are negetive exept for one which is D so the answer is D.
Answer:
Step-by-step explanation:
mn[tex]x^{2} \\jjl[/tex]
Graph: y < 1/3x+1/2
graph the point
Answer:
1/11
Step-by-step explanation:
First you have to times 1/3 and 1/2 and then you get 1/6. Then you add 1/3 and 1/2 and that's 1/5. then you add them both.
What are the values of x, and y?
Answer:
if this came out of a book use slader
Step-by-step explanation:
Answer:
AnswersMathsGCSEArticle
What are the values of x and y?
a) 3x + 5y = 26
b) 2x + 2y = 12
Step One: We need to find a way to equate either the x terms of the y terms in each equation. Multiply equation a) by 2 and equation b) by 3 to form the following equations.
a) 6x + 10y = 52
b) 6x + 6y = 36
Step Two: Take equation b) from equation a) to eliminate the x component.
a) 6x + 10y = 52
- b) 6x + 6y = 36
0x + 4y = 16
y = 4
Step Three: substitute the value of y into either equation to find the value of x.
b) 2x + 2y = 12
2x + (2x4) =12
2x + 8 = 12
2x = 4
x = 2
x=2 y=4
Step-by-step explanation:
thank you sana nakatulong yang sagot ko
Your savings account has a balance of $125. You add $22 a month to this balance.
Which equation shows your balance, in months?
A.) () = $125 + $22
B.) () = $125 + $22
C.) () = $125 + $22
D.) () = $125 + $22
Answer:
which principle prevents a brach from abusing its powerwhich principle prevents a brach from abusing its power
Step-by-step explanation:
Plz help quick this is due in 10 mins! Are they right? Questions are below!
Answer:
the first question is right the next about the sea level i think would be 7.92 then the last would be the value of x should be greater than or equal to -5
Step-by-step explanation:
Which expression is equivalent to 6a + 15?
6(a + 5)
3(2a + 5)
3(3a + 12)
6(a + 12)
A horse has a speed of 10 miles per hour. The horse has traveled 15 milles. How many miles in total if it rides for another hour?
Answer:
d = 24.
Step-by-step explanation:
What is one idea that Andre doesn’t understand about rotations?
Answer:
457367
Step-by-step explanation:
Ten is at least the product of a number h and 5.
Answer:
Ten is at least the product of a number h and 5. h = 2
Step-by-step explanation:
Divide 10 by 5 and you get 2.
Check; 5 x 2 = 10
The function f(x) = (one-fifth) Superscript x is translated up 4 units. Which equation represents the translated function?
g(x) = (one-fifth) Superscript x minus 4
g(x) = (one-fifth) Superscript x + 4
g(x) = (one-fifth) Superscript x + 4
g(x) = (one-fifth) Superscript x – 4
Answer:
C
Step-by-step explanation:
Was right on edge.
Answer:
C
Step-by-step explanation:
The distance between Mars and Venus is 3.7 X 10^14 miles. A rocket ship only has enough fuel to travel half that distance. How far can the rocket ship travel?
PLEASE HELP ME
FIRST TO ANSWER WILL GET BRAINLIEST
Answer:
1.85 X 10^14
Step-by-step explanation:
how to do this question plz
Answer:
[tex]A = 50cm {}^{2} [/tex]
Step-by-step explanation:
[tex]let \: the \: two \: sides \: be : \\ p = 10 \: cm \\ q = x \: cm \: (yet \: unknown) \\ then \: the \: area,\: \boxed{A} \: is \: given \: by : \\ A = \frac{1}{2} pq = \frac{1}{2} 10 \times q. \\ so \: lets \: find \: q : \\ if \: we \: bisect \: the \: rhombus, \: then \: applying \: the \: laws \: of \: sum \: of \: angles : \\ 180 - (80 + 50) = 50. \\ applying \: the \: sin \: rule : \\ \frac{ \sin(50) }{10} = \frac{ \sin(50) }{q} \\ \\ q \sin(50 ) = 10 \sin(50) \\ q = \frac{10 \sin(50) }{ \sin(50) } \\ q = 10. \\ ......wait....what {?} \: all \: of \: this \: to \: just \: to \\ \: know \: that \: q = 10. \\ so \: \\ A = \frac{1}{2} pq = \frac{1}{2} \times 10 \times 10 \\ A = 50cm {}^{2} [/tex]
♨Rage♨
Solve:
2/3x +4 - 3/5 -2
Answer:
0.666667*x+4-3/5-2
HOPE I HELP!!!! :)
What is the value of x in the y = 2/3x + 5 when y=7?
Answer:
x = 3
Step-by-step explanation:
y = 2/3 x + 5; y = 7
7 = (2/3)x + 5
2 = (2/3)x
x = 2 * 3/2
x = 3
Answer:
x=3
Step-by-step explanation:
To start all you need to do is replace [tex]y[/tex] with 7 to get [tex]7=\frac{2}{3}x+5[/tex]
Then, you need to isolate x on the right side of the equation, starting with subtracting 5 on both sides to get [tex]2=\frac{2}{3}x[/tex]
Finally, you divide both sides by [tex]\frac{2}{3}[/tex]. You divide fractions by multiplying the reciprocal like so [tex]\frac{2}{1} *\frac{3}{2} =x[/tex] to get [tex]\frac{6}{2} =x[/tex]. This means that x=3
There are 28 tables in the cafeteria. Each table has 12 students sitting at it. Fourth graders sit at 13 of the tables. Fifth graders sit at the rest of the tables.
How many fifth graders are there?
Answer:
180 students
Step-by-step explanation:
28 -13 = 15
15 tables times 12 students
Answer: 180 fifth grader
Step-by-step explanation:
6x+9=2x+13 solve for x
Answer: 1
6x + 9 = 2x + 13 (remove the nine)
6x = 2x + 4 (remove the 2x)
4x = 4 ( divide by 4)
x = 1
PLEASE HELP!!!!
The following figures are not drawn to scale but AB and CD are straight lines. Find x.
Answer:
uh I think x=25°
Step-by-step explanation:
2x+60°=110°(vertically opposite angles are equal)
2x=110°-60°
2x=50°
x=50°÷2
x=25°
HELP I NEED THIS RIGHT KNOW!!!!!!!
Explain what
m(4)=90 means in context. (1pts)
Answer:
[tex]m(4)=90 \\ m = \frac{90}{4} \\ m = 22.5[/tex]
-0.8b = 10.4
what is b to make this equation true
Answer:
- 13
Step-by-step explanation:
Step 1:
-0.8b = 10.4 Equation
Step 2:
b = 10.4 ÷ - 0.8 Divide
Answer:
b = - 13
Hope This Helps :)
Solve |4x +3| < 5
I’m stuck on this question
Answer:
x < 1/2
x > -2
Step-by-step explanation:
We know that 4x + 3 < 5 and 4x + 3 > -5
4x + 3 < 5
~Subtract 3 to both sides
4x < 2
~Divide 4 to both sides
x < 2/4 or x < 1/2
4x + 3 > -5
~Subtract 3 to both sides
4x > -8
~Divide 4 to both sides
x > -2
Best of Luck!
The gravitational potential energy of an object is given by the formula P = mgh.
Which equation is correctly solved for the height, h?
h = P + mg
h = P - mg
h = P/mg
h = Pmg
Answer:
c
Step-by-step explanation:
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somone plzzzz help ASAPPPPP,BOTH OF THEM!!!!!!!!!!!1