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ryzh [129]
3 years ago
15

Robert and his coworkers brought 11 work trucks to a service station for oil changes. While there they also put 6 gallons of gas

into each vehicle. The cost of gas was $3.52 a gallon. The total bill was $694.32. What was the cost of an oil change for 1 truck?
Mathematics
1 answer:
Free_Kalibri [48]3 years ago
7 0

Answer:

The cost of an oil change for 1 truck was $42

Step-by-step explanation:

Let

x -----> the cost of an oil change for 1 truck

y -----> the cost of gas for 1 truck

z ----> the total bill

we know that

z=11[x+y]

we have

z=\$694.32

y=(6)(3.52)=\$21.12

substitute and solve for x

694.32=11[x+21.12]

x=(694.32/11)-21.12

x=\$42

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olasank [31]

x = -1

Step-by-step explanation:

{4}^{5x}  =  {2}^{2(5x)}  =  {2}^{10x}

{( \frac{1}{32}) }^{(1 - x)}  =  {2}^{ - 5(1 - x)}  =  {2}^{(5x - 5)}

or

{2}^{10x}  =  {2}^{(5x - 5)}

Since both sides have the same base, we can write

10x = 5x - 5

or

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5 0
3 years ago
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yKpoI14uk [10]

Answer:

-7/6

Step-by-step explanation:

2x-8x+7=0

combine like terms

6x+7=0

subtract the 7 from both sides

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divide 6 from both sides

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3 years ago
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Paha777 [63]

Answer:

11.) y-int:(0,1); x-int:(1,0)

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13.) y-int:(0,-9); x-int:(-3,0)

14.) y-int:(0,-5); x-int:(-2.5,0)

Step-by-step explanation:

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5 0
2 years ago
Laura bought a square canvas to paint a picture of her cat one side measured 22 centimeters what is tha area of the canvas
Olin [163]
Hi there!

To start, squares are a shape in which all of its sides are congruent to one another. Knowing the length of one side would mean that you would know the length of all the other sides. 

Because you know that one side measures 22 cm, you can conclude that all the other sides of the square are also at a length/width of 22 cm.

Next, you will find the area of the square. 

Because the area formula is Area=Length * Width, you can easily find the area of the square by multiplying 22*22 since the length and width of any square is the same.

When you simplify 22*22, you should get 484.

Therefore, the area of the square canvas would be 484 cm squared.

Hope this helps and have a marvelous day! :)
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