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3 years ago

6

A plumber charges $70 per hour plus $40 for the call. What does he charge for 4 hours of work? What's the dependent, solution, i

ndependent, and function

2 answers:

Irina-Kira [14]3 years ago

6 0

440 is teh answer fam

Alex787 [66]3 years ago

4 0

Function:
C(cost) = 70h + 40

Solution:
C = 70(4) + 40
C = 280+40
C = $320

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Step-by-step explanation:

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4 years ago

7) Simplify:<br> (3x)2<br> 3x3

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3 years ago

Read 2 more answers

Shawna found coins worth $4.32. One- fourth of the found coins are pennies and one- sixth are quarters. The number of nickels fo

eduard

Answer:

8 quarters

12 nickels

12 pennies

16 dimes

Step-by-step explanation:

The trick is to ASSUME the dimes.

Start by thinking about the three explicit premises and the one implicit premise.

1) Quarters = 1/6 of total coins

2) Nickels = 1.5 the number of quarters

3) Pennies = 1/4 of total coins

Also, ASSUME an unknown number of dimes to fill in the gap.

48 Total Coins = $4.32

⅙ of 48 = 8 8 quarters = $2.00

1.5 x 8 = 12 12 nickels = $0.60

¼ of 48 = 12 12 pennies = $0.12

Add those coins = $2.72

Take the known total and minus this sum.

$4.32 - $2.72 = $1.60

16 dimes = $1.60

Thus, you have the following:

8 quarters (⅙ of total coins) $2.00

12 nickels (1.5 the number of quarters) $0.60

12 pennies (¼ the number of total coins) $0.12

+ 16 dimes $1.60

Total Coins 48 $4.32

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3 years ago

The point (1, −1) is on the terminal side of angle θ, in standard position. What are the values of sine, cosine, and tangent of

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Notice the picture below

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\qquad 
% tangent
tan(\theta)=\cfrac{y}{x}$

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\begin{cases}
a=x\\
b=y\\
c=r
\end{cases}$

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3 years ago

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VladimirAG [237]

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3 years ago