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Kitty [74]
2 years ago
10

Select all expressions that represent a correct solution to the equation 6(x+4)=20

Mathematics
1 answer:
Sergeeva-Olga [200]2 years ago
3 0

Answer:

D. 20 ÷ 6 − 4

E. 1/6(20 − 24)

F. (20−24) ÷ 6

Step-by-step explanation:

6(x + 4) = 20

6(x) + 6(4) = 20

6x + 24 = 20

     - 24  - 24

6x = -4

/6    /6

x = -4/6 or x = -2/3

D. 20 ÷ 6 − 4

20/6 - 4

20/6 - 24/6

-4/6 = -2/3

E. 1/6(20 − 24)

1/6(-4)

-4/6 = -2/3

F. (20 − 24) ÷ 6

- 4 / 6

-4/6 = -2/3

Hope this helps!

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(w^2 – 6w)^2– 2(w^2 – 6w) – 35 = 0​
muminat

Step-by-step explanation:

( {w}^{2}  - 6w {)}^{2}  - 2( {w}^{2}  - 6w) - 35 = 0 \\  =  {w}^{4} - 6 {w}^{2}   - 2 {w}^{2}  - 12w  =  35  \\  =  {w}^{4}   - 4 {w}^{2}  - 12w = 35

4 0
3 years ago
Jessie installed 12 more axles than the number of engine blocks her friend Gus installed yesterday. Write an equation for g, the
jeka94

Answer:

g = j - 12

Step-by-step explanation:

Let's say Jessie installed j axles. Convert words to math:

- "12 more" = + 12

- "the number of engine blocks her friend Gus installed yesterday" = g

Put it together: g + 12. This is equal to j: j = g + 12. Solve for g:

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8 0
2 years ago
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If a is 5, b is 4, and c is 3, them ab-bc is
olga nikolaevna [1]

Answer:

I believe the answer is 8

Step-by-step explanation:

5*4=20

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20-12=8

4 0
2 years ago
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Simplify the expression:<br> 4m/(4m2−1) − (2m+1)/(6m−3) + (2m−1)/(4m+2)
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5 0
2 years ago
What is the area of a regular nonagon with 10 cm sides and an apothem if 6cm?
bearhunter [10]

Answer:

The area of the nonagon is 270cm²

Step-by-step explanation:

The area of a regular polygon is given by

=  \frac{1}{2} ap

where 'a' is the apothem and 'p' is the perimeter.

The apothem is a=6cm.

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8 0
3 years ago
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