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slava [35]
3 years ago
13

A plumber charges $25 for a service call plus $50 per hour of service write an equation to represent the cost of hiring this plu

mber​
Mathematics
1 answer:
notka56 [123]3 years ago
8 0

Answer:

$(25 + 50h)

Step-by-step explanation:

Cost = 25 + 50h

Where 'h' is the number of hours of service

8 hours of work: h = 8

Cost = 25 + 50(8) = $425

10 hours of work: h = 10

Cost = 25 + 50(10) = $525

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Answer:

log_2(x) + log_2(y) + log_2(z)

Step-by-step explanation:

5log_2(xyz)^{1/5}\\\\5log_2(x)^{1/5} + 5log_2(y)^{1/5} + 5log_2(z)^{1/5}\\\\log_2(x) + log_2(y) + log_2(z)

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3 years ago
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3 years ago
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A loan of $990 was repaid at the end of 6 months with a check for 1015. What annual interest was charged
ANEK [815]

The answer is .42%

Explained

I / PT = R

I = The amount of interest paid

P = The amount paid before adding interest

T = The time (weeks, months, years)

R = Interest Rate (must move 2 decimal place to the right)

8 0
3 years ago
Ethan is responsible to write the minutes for the meeting. During the meeting, he finished writing of the minutes. Before gettin
dolphi86 [110]
11/24
1. 3/8 = 9/24
2. 1/6 = 4/24
3. 9/24 + 4/24 = 13/24
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7 0
2 years ago
What is the surface area of the figure?
Oliga [24]

Answer:

The total surface area = 582 ft²

Step-by-step explanation:

To find the surface area of it count the number of faces at first

The figure has 8 faces each 2 are equal

1- Two faces with dimensions 4 ft and 15 ft ( base and shaded face)

2- Two faces with dimensions 9 ft and 4 ft

3- Two faces with dimensions 4 ft and 6 ft

4- Two faces with dimensions 15 ft , 9 ft and 6 ft

Area of (1-) = 2(4 × 15) = 120 ft²

Area of (2-) = 2(4 × 9) = 72 ft²

Area of (3-) = 2(4 × 6) = 48 ft²

Area of (4-) = 2[(9 × 9) + (6 × 15)] = 2[81 + 90] = 2 × 171 = 342 ft²

∴ The total surface area = 120 + 72 + 48 + 342 = 582 ft²

5 0
3 years ago
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