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Luda [366]
3 years ago
6

What is the numerical expression the sum of 8 and 7 doubled

Mathematics
1 answer:
Savatey [412]3 years ago
4 0

Answer:

I think the answer is 7×2+8

7×2=14+8=22.

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What is the missing number in this array <br> A)5<br> B)6<br> C)7<br> D)8<br> E)9
zloy xaker [14]

Answer:

D. 8

Step-by-step explanation:

If you look, it is adding so:

D. 8 is your answer.

3 0
3 years ago
What is the answer for a magic square for the number 18?
Tanzania [10]
The square of 18 is 9 because square = 2, so 18 ÷ 2 = 9. I hope this helps you.
6 0
3 years ago
Read 2 more answers
Economists predict that Americans will spend $1,180 on Summer Vacation in 2015, this is up 5.6% from 2014. What did Americans sp
netineya [11]

Answer: $1117.42

Step-by-step explanation:

Given: The amount predicted by Economist =$1180

Let x be the amount spent by Americans on Summer vacation in 2014.

Therefore,  According to the question, we have

5.6% of x+x=1180

\Rightarrow0.056\timesx+x=1180\\\Rightarrow x(0.056+1)=1180\\\Rightarrow\ x=\frac{1180}{1.056}=1117.42\approx

Hence, the amount spent by Americans on Summer vacation in 2014 = $1117.42

3 0
3 years ago
Complete the missing value/help?
blagie [28]

What it is basically asking is if Y = -4, find the value of x in the equation 6x + 7y = 4x + 4y

To solve this you just need to plug in -4 for y and solve for x

6x + 7(-4) = 4x + 4(-4)

6x - 28 = 4x - 16

Now isolate x by adding 28 to both sides

6x - 28 + 28 = 4x - 16 + 28

6x = 4x + 8

and subtract 4x from both sides

6x - 4x = 4x - 4x + 8

2x = 8

divide both sides by 2

2/2x = 8/2

x = 4

x = 4, y = -2

Answer: (4, - 2)

Hope it helps :)

Bransliest would be appreciated

5 0
3 years ago
Read 2 more answers
Simplify.
Dafna11 [192]

Answer:

C. 2x^2-7x+7

Step-by-step explanation:

(3x^2-2x+2)-(x^2+5x-5)     <em>Given</em>

From the given you will subtract like terms from both parenthesis.

3x^2-x^2=2x^2

-2x-5x=-7x

2-(-5)=7                      

6 0
3 years ago
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