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Masteriza [31]
3 years ago
9

For babysitting Nicole charges a flat fee of $7, plus $12 per hour. Write and equation for the cost, C, after h hours of babysit

ting. PLS HELP I WILL GIVE BRAINLIEST

Mathematics
1 answer:
natta225 [31]3 years ago
7 0

Answer:

C=12h+7

Step-by-step explanation:

The total cost = 7 (flat rate) + 12h (12/hour)

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Lynna [10]

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8

Step-by-step explanation:

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8 0
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X+3x-2=6x-12 please help
igomit [66]

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5 0
3 years ago
Paul purchased a used vehicle that depreciates under a straight-line method.
netineya [11]

Answer:

Option B. $900

Step-by-step explanation:

Let

y ----> the value of the car

x ----> the time in years

we know that

The linear function in slope intercept form is equal to

y=mx+b

where

m is the slope or the depreciation rate

b is the y-intercept or initial value of the car

we have

The y-intercept or initial value is equal to

b=\$5,000

y=mx+5,000

we have the ordered pair (5,500)

substitute the value of x and the value of y of the ordered pair in the linear equation and solve for m

500=m(5)+5,000

5m=500-5,000\\5m=-4,500\\m=-\$900\ per\ year

Is negative because is a decreasing function

The linear equation is equal to

y=-900x+5,000

therefore

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4 0
3 years ago
Solve the simultaneous equations <br> 3 x + 2 y = 18 <br> 3 x + y = 12
natulia [17]

Answer:

x=2 , y=6

Step-by-step explanation:

        3 x + 2 y =    18

        3 x +     y =   12

     (-)       (-)         (-)

-------------------------------------------

                     y =    6

                 

3x+6=12

=>3x=12-6

=>3x=6

=>x=6/3

=>x=2

8 0
2 years ago
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