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Slav-nsk [51]
1 year ago
9

twice the sum of the number and negative seven is eight. Find the number. Round your answer to the nearest integer, if necessary

Mathematics
1 answer:
Ugo [173]1 year ago
3 0

The number that twice the sum of it and negative seven is eight is 11.

<h3>How to find the number ?</h3>

Twice the sum of the number and negative seven is eight. The number can be found as follows:

let

the number  = x

According to the word expression, twice the value of  the addition of x and minus seven is equals to 8. Hence, we will find the value of x in the equation formed from the words expression.

The variable x is the required number.

Therefore,

2(x + (-7)) = 8

2(x - 7) = 8

open the brackets

2(x - 7) = 8

2x  - 14 = 8

add 14 to both sides of the equation

2x  - 14 = 8

2x  - 14 + 14 = 8 + 14

2x = 22

divide both sides by 2

x = 22 / 2

x = 11

learn more on numbers here: brainly.com/question/11234992

#SPJ1

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I believe the answer is 7% but it says round to the nearest tenth of a percent so I am not sure if it is a decimal answer or not
Maslowich

Answer:   6.1% decrease

Note: It appears that your teacher doesn't want you to type in the percent sign, as that's already covered for you.

=========================================================

Explanation:

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Divide this over the initial salary to get 3145/51500 = 0.0611 which is approximate.

This converts to the percentage 6.11% and that rounds to 6.1%

----------------

As an alternative, you can use the formula method below

A = old value = 51500

B = new value = 48355

C = percent change when going from A to B

C = [ (B-A)/A ] * 100%

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The negative C value indicates a percent decrease.

6 0
3 years ago
Find the difference.<br> 9 - (-10)
Salsk061 [2.6K]

Answer:

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Step-by-step explanation:

9 - (-10) = ?

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So, the problem becomes: 9 + 10 = ?

Do the math, and you get your answer of 19.

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3 years ago
A recipe called for 5/9 cup of chopped lettuce and 5/6 cup of diced lettuce. In total, how many cups of lettuce did the recipe c
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Answer:

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Step-by-step explanation:

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3 years ago
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Step-by-step explanation:

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