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Ne4ueva [31]
2 years ago
5

A plumber charges a flat fee of $76 to visit a home and examine a clogged drain. The plumber charges an additional $24 per hour

spent fixing the drain. The
total cost, C (in dollars), for fixing a drain that takes h hours is given by the following.
C=76 +24h
Answer the following questions.

(a) If the plumber charged a total of $364, how many hours did she spend
fixing the drain?
(?hours

(b) What is the total cost for fixing a drain that takes 6 hours?
so $?
Mathematics
1 answer:
prisoha [69]2 years ago
5 0

Answer:

(a) 12 hours

(b) $220

Step-by-step explanation:

(a) First we plug in $364 for C

C=76+24h

364=76+24h

Subtract 76 from both sides

24h=288

Divide both sides by 24

h=12

She spent 12 hours fixing the drain

(b) First we plug 6 hours in for h

C=76+24(6)

Multiply it out

C=76+144

Add

C=220

It costs $220 for fixing a drain that takes 6 hours

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John is 14 years older than Sam and the product of their ages is 240. How old is Sam?
Shtirlitz [24]

Answer:

A.) 10 years old

Step-by-step explanation:

Sam: John - 14

S = J - 14

S x J = 240

10 = J - 14

0 = J - 14 - 10

-J = -24

J = 24

10 x 24 = 240

3 0
3 years ago
If 1/2x+1/3=4 What is the value of 3x+2y
ivolga24 [154]

Answer:

x=3/22 ; y=-9/44

Step-by-step explanation:

1/2x+1/3=4

=>1/2x=4-1/3

=>1/2x=(12-1)/3

=>1/2x=11/3

=>22x=3

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then,

3x+2y

2y=-3 . (3/22)

y=-9/44

6 0
4 years ago
Read 2 more answers
Wes measures the floor area of rectangular living room to replace the carpet with tiles. The room is 12.4 feet long and 9.8 feet
olasank [31]
12.4*2+9.8*2=44.4
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5 0
3 years ago
Michael received a grant to make a community garden. He makes a scale drawing of his vision for the garden. Michael's drawing sh
Mila [183]

Step-by-step explanation:

Find the diagram to the question attached.

From the diagram, we are given the following dimension for one of the beds;

Length = 16cm

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If the scale from his drawing to the actual garden is 2 cm for every 1 ft, then on converting to feet;

2cm = 1ft

16cm = x fr

cross multiply

2x = 16

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Hence 16cm = 8ft (based on the scale)

Similarly:

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8cm = x fr

cross multiply

2x = 8

x = 4ft

Area of the garden bed (in feet) = Length * Width

Area of the garden bed = 8ft * 4ft

Area of the garden bed = 32ft²

Hence the actual area of one of the garden beds is 32ft². We need to find 2 things fir us to get the required answer. First is the length of the bed in feet and the second is the width of the bed in feet.

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3 years ago
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Z would mean 0 considering they would both be the last
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3 years ago
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