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Sergeeva-Olga [200]
3 years ago
14

Solve the equation and state a reason for each step.

Mathematics
1 answer:
diamong [38]3 years ago
8 0

Step-by-step explanation:

2(4x+2)/2 =20÷2 (to remove to we do the opposite operation)

4x+2=10

4x+2-2=10-2( to remove +2 we do -2)

4x=8

4x/4=8/4

x=2

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X-2y=10 x+3y=5 please hellppppppp
Marta_Voda [28]

Answer:

x=8,y=-1

Step-by-step explanation:

x-2y=10

x=10+2y

10+2y+3y=5

5y=-5

y=-1

x-2(-1)=10

x=8

3 0
3 years ago
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What is the percent increase between getting a high school scholarship and bachelors degree when high school scholarship is $421
gogolik [260]

Answer:

The percent increase between getting a high school scholarship and bachelor's degree is <u>59.14%</u>.

Step-by-step explanation:

Given:

High school scholarship is $421.

Bachelor's degree is $670.

Now, to find the percent increase between a high school scholarship and bachelor's degree.

So, we get the amount of increase between a high school scholarship and bachelor's degree.

670-421=249.

<em>Thus, the amount of increase = $249</em>.

Now, to get the percent increase between a high school scholarship and bachelor's degree:

\frac{249}{421}\times 100

=\frac{24900}{421}

=59.14\%.

Therefore, the percent increase between getting a high school scholarship and bachelor's degree is 59.14%.

7 0
3 years ago
If f(x)=4x^2+1 and g(x)=x^2-5 find (f+g)
lutik1710 [3]
Given:
f(x) = 4x² + 1
g(x) = x² - 5

Then
(f + g)(x) = 4x² + 1 + x² - 5
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Answer: 5x² - 4
3 0
3 years ago
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Subtract 2x - 6 from 4x + 9
Liono4ka [1.6K]
Answer:

-2x - 15

Explanation:

(2x - 6) - (4x + 9)

2x - 6 - 4x - 9

-2x - 15
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Convert 185 pounds into kilograms.
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Answer:

83.91 kilograms

Step-by-step explanation:

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