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3 years ago

Pls help I will appreciate pls

Mathematics

1 answer:

Alex3 years ago

6 0

Answer:

S = (1 times 5)times 6

Step-by-step explanation:

Question 5. Because there are 6 friends and each of them gets 5. one of them gets 5 But there are 6 friends so you multiply by 6. 6 times 5 is 30

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Simplify the following expression:<br> -6x + 4(-x - 3)

ss7ja [257]

Answer:

$- 10x - 12$

Step-by-step explanation:

$- 6x + 4( - x - 3) \\ - 6x - 4x - 12 \\ - 10x - 12 \\ = - 2(5x + 6)$

3 0

3 years ago

Factorize this expression completely <br>using (a-b)² formula<br>3a²- 36a + 108

Novosadov [1.4K]

Answer:

$3a^2 - 36a + 108 = (\sqrt{3}a - 6\sqrt{3} )^2$

Step-by-step explanation:

$3a^2 = (\sqrt{3} a)^2\\108 = 9 \times 4 \times 3= 3^2 \times 2^2 \times 3 = (3\times2 \sqrt{3} )^2 = (6\sqrt{3})^2$

$so, a = \sqrt{3} a \ , \ b = 6\sqrt{3} \\\\(a - b)^2 = a^2 -2ab + b^2\\\\-36a = -2ab\\\\-36a = -2 \times \sqrt{3} a \times 6\sqrt{3}$

Therefore ,

$3a^2 - 36a + 108 = (\sqrt{3}a )^2 - 2(\sqrt{3}a \times 6\sqrt{3} ) + (6\sqrt{3} )^2 = (\sqrt{3}a - 6\sqrt{3} )^2$

6 0

3 years ago

What is 5x/3 = 80/12 solve for x

Over [174]

X=4

explanation:
-reduce the fraction
-make the numerators equal
-divide both sides by 5

8 0

3 years ago

-1/2+2/5 in simplest form

Effectus [21]

Answer:

-1/10

Step-by-step explanation:

We need to get a common denominator of 10

-1/2 *5/5 = -5/10

2/5*2/2 = 4/10

-5/10 +4/10 = -1/10

4 0

3 years ago

Read 2 more answers

Help me plz..........

vekshin1

Answer:

The answer to your question is the third option

6 0

2 years ago

Read 2 more answers