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vichka [17]
2 years ago
10

A heater repairman charges $40 to visit a home, plus $70 per hour for the time he spends on the repair. This situation can be de

scribed by an equation of the form y=mx+b , where x = the time in hours and y = the cost in dollars. What is the value of b in this equation?
Mathematics
1 answer:
frez [133]2 years ago
3 0

Answer:

b = 40

Step-by-step explanation:

A heater repairman charges $40 to visit a home, plus $70 per hour for the time he spends on the repair.

This situation can be described by an equation of the form y=mx+b , where

x = the time in hours

y = the cost in dollars.

What is the value of b in this equation?

A heater repairman charges $40 to visit a home, plus $70 per hour for the time he spends on the repair

Writing the above in an equation =

y = $70 × x + $40

y = 70x + 40

Therefore, the value of b in the expression = 40

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Please help?? its unit rate so plz help tell me how to do it
Lelechka [254]

Answer:

1.2 dollars

Step-by-step explanation:

You have to divide the dollar count by the pound count.

So basically:

6/5

This gives you 1.2 dollars.

When you do unit rate, you just have to divide one value by the other value.

The value you divide by, and the value you divde, vary depending on what the question asks.

For instance, if this question asked what the pound count for 1 dollar would be, you would end up divide the 5 pounds by 6 dollars(5/6) instead of divideing the 6  dollars by 5 pounds like we did above(6/5).

Hope this helps!

3 0
3 years ago
Read 2 more answers
Solve for f. 2+1.25f=10-2.75f
Harrizon [31]
f = 2

Simplify both sides of the equation <span><span>1.25f</span>+2</span>=<span><span>−<span>2.75f</span></span>+<span>10

Add 2.75 to each side </span></span><span><span>4f</span>+2</span>=<span>10

Subtract 2 from both sides </span><span>4f</span>=<span>8

Divide each side by 4 </span>f=<span>2</span>
<span>


</span>
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What is the volume of a block with dimensions 2.56cm x 4.652 cm x 8.70 cm ??
mihalych1998 [28]
2.56 x 4.652 x 8.70 = <span>103.61 milliliters</span>
4 0
3 years ago
Solve (x + 3)(x - x = 0. (2 points) x = 3, x = -8 O x = -3, x = 8 x = 3, x = 8 O x = -3, X = -8​
astraxan [27]

answer:

the answer is -3 and 8

Step-by-step explanation:

we will place -3 in the equation

(x+3)(x-x)=0

(-3+3)=0 (because -3+3 will cut down together)

we will place two 8(eights) in the equation

(8-8)=0

final answer is

(0)(0)=0

so -3 and 8 fits well in the equation

3 0
3 years ago
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