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3 years ago

Solve for x. Round to the nearest tenth.

Mathematics

1 answer:

emmasim [6.3K]3 years ago

5 0

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Answer: 8) 64.2

10) 51.3

Explanation:

I hope this helped!

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lya took one hour to drive from his apartment to Philips Arena and back. The return drive took 8 minutes less than the trip to t

Phantasy [73]

An hour is 60 minutes.

The trip to the arena + The return drive = 60 mintues.

Since the return drive is 8 minutes shorter, if you added 8 minutes it would be the same length as the trip to the arena.

The return drive + 8 minutes = The trip to the arena

Let's represent these two equations with variables.

x + r = 60
r + 8 = x

What we do now is use substitution. Since r + 8 = x, we can replace x from the first equation with r + 8.

x + r = 60
r + 8 + r = 60
2r + 8 = 60
2r = 52
r = 26

Then use r in an earlier equation to find a.

r + 8 = x
26 + 8 = x
x = 34

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4 years ago

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svetoff [14.1K]

The following statements are true;

The expression 23h represents the total charge for Elegance Home Painting.

If José hires the painters for 10 hours, then Elegance Home Painting will be cheaper.

If José hires the painters for 20 hours, then Krystal Klean Painting will be cheaper.

Step-by-step explanation:

Given,

Amount charged by Krystal Klean painting to come out = $175.00

Per 30 minutes charges = $7

1 hour charges would be $14.

Let,

h be the number of hours.

Total cost for Krystal Klean = 14h + 175

Amount charged by Elegance per hour = $23

Total cost = 23h

The expression 23h represents the total charge for Elegance Home Painting.

As Jose will choose from both painters, therefore, he will only hire one.

For 10 hours;

h = 10

Krystal Klean;

Total charges = 175 + 14(10)

Total charges = 175 + 140 = $315

Elegance Home;

Total charges = 23(10) = $230

If José hires the painters for 10 hours, then Elegance Home Painting will be cheaper.

For 20 hours;

h = 20

Krytal Klean,

Total charges = 175 + 14(20) = $455

Elegance Home = 23(20) = $460

If José hires the painters for 20 hours, then Krystal Klean Painting will be cheaper.

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3 years ago

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Answer:

Step-by-step explanation:

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