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Nutka1998 [239]
3 years ago
10

The sum of -4 and 8 times a number is multiplied by 3. The result is 15 less that 25 times the number. What is the number?

Mathematics
1 answer:
mash [69]3 years ago
4 0
3(-4 + 8x) = 25x - 15
-12 + 24x = 25x - 15
25x - 24x = -12 + 15
 x = 3

answer is
<span>D) 3</span>
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I believe you may have meant "<span>Find the value of z in the following equation: 8z=64".

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5 0
3 years ago
This is my last question by the way
Leni [432]

Part A:

There are 25 blocks for the length, and the length of each is 5.5 inches. 5.5x25=137.5

There are 9 blocks for the height, and each is 2.75 inches. 2.75x9=24.75

Since we're trying to find how much longer the length is to the width, we find the difference. 137.5-24.75=112.75

So part A answer is <em><u>112.75 (or 112¾)</u></em>

Part B:

We know the length is 137.5 and the height is 24.75. To find how many times longer the length is, we need to divide to see how many 24.75 can go into 137.5.

137.5÷24.75=5.55

So the answer to part B is <u><em>5.55. Given the context, the answer would probably be 5, because that's how many entire height can fit.</em></u>

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Sorry if it's wrong lol

8 0
3 years ago
In a shortage caused by a hurricane gas prices rose 15% it is now $2.80/gallon what was the price before
mash [69]

2.80*.15=.42

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the answer is $2.38 (this was the price before)

8 0
3 years ago
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Anestetic [448]
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3 years ago
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xenn [34]
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Step by step:

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Subtract 9 from both sides.

2|x+6|=10

Divide both sides by 2

|x+6|=5

Use the definition of absolute value.

x+6=5

Subtract 6 on both sides

x=-1

Hope this helped! :)
5 0
2 years ago
Read 2 more answers
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