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3 years ago

Hey please answer the questions on attachment, thank you very much- i need it in 10 minutes and am completely clueless.

Mathematics

2 answers:

nevsk [136]3 years ago

7 0

Answer:

5x+17

Step-by-step explanation:

2(x+7) + 3(x+1)

Distribute(Expand) -> 2x+14 + 3x+3
Simplify by combining like terms -> 5x+17

Elden [556K]3 years ago

4 0

Answer:

5x+17

Step-by-step explanation:

You distribute the 2 and 3 2(x)+2(7)+3(x)+3(1)

so 2x+14+3x+3 combine like terms

5x+17

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Factorise fully 12x^3-4x^2

Nonamiya [84]

Answer:

4x² (3x - 1)

Step-by-step explanation:

12x³ - 4x²

4x² (3x - 1)

6 0

3 years ago

How do you solve the equation -7/8k=21

loris [4]

$- \frac{7}{8} k$ = 21

First, simplify $\frac{7}{8} k$ to $\frac{7k}{8}$ / Your problem should look like: $-\frac{7k}{8}$ = 21
Second, multiply both sides by 8. / Your problem should look like: -7k = 167
Third, divide both sides by -7. / Your problem should look like: k = $\frac{168}{-7}$
Fourth, simplify $\frac{168}{-7}$ to $\frac{168}{7}$ / Your problem should look like: k = $- \frac{168}{7}$
Fifth, simplify $\frac{168}{7}$ to 24. / Your problem should look like: k = -24

Answer: k = -24

4 0

3 years ago

What is 4(b + 2), if b = 7?

AlladinOne [14]

Answer:

the answer would be 36

Step-by-step explanation:

hoped I helped:)

8 0

3 years ago

Read 2 more answers

2+2=? Because I’m trying to explain it to a 2 year old.

spayn [35]

Answer:

Step-by-step explanation:

1 + 1 + 1 + 1 = 2 + 2 = 4

6 0

3 years ago

What is 5/9 divided by 5 ?

SpyIntel [72]

Answer:

5/45 or 1/9 simplified

3 0

3 years ago