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8_murik_8 [283]
2 years ago
14

Como simplifica essa expressão: 2*(x+5)+3*(5x+6):​

Mathematics
1 answer:
leva [86]2 years ago
7 0

Answer:

17 x + 28

Step-by-step explanation:

Simplify the following:

2 (x + 5) + 3 (5 x + 6)

Hint: | Distribute 2 over x + 5.

2 (x + 5) = 2 x + 10:

10 + 2 x + 3 (5 x + 6)

Hint: | Distribute 3 over 5 x + 6.

3 (5 x + 6) = 15 x + 18:

10 + 2 x + 18 + 15 x

Hint: | Group like terms in 10 + 2 x + 18 + 15 x.

Grouping like terms, 10 + 2 x + 18 + 15 x = (2 x + 15 x) + (10 + 18):

(2 x + 15 x) + (10 + 18)

Hint: | Add like terms in 2 x + 15 x.

2 x + 15 x = 17 x:

17 x + (10 + 18)

Hint: | Evaluate 10 + 18 using long addition.

| 1 | 8

+ | 1 | 0

| 2 | 8:

Answer: 17 x + 28

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belka [17]

Answer:

w = 98

n = 6

a = 18

Step-by-step explanation:

Question 1)

7 = w/ 14

All you need to do is multiply each side by 14 to find w:

7(14) = W

W = 98

Question 2)

42/n = 7

For this one, first multiply each side by "n":

42 = 7n

and then divide both sides by 7:

N = 6

Question 3)

All you need to do for this question is divide 324 by 18 to find "a":

324/18 = a

a = 18

I hope this helps!

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asambeis [7]

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True

Step-by-step explanation:

7 0
3 years ago
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Step-by-step explanation:

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3 0
2 years ago
Can someone pls help me :-(
spayn [35]

Answer:

One: x =  3/32

Two: y =  3/10

Step-by-step explanation:

One

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8(1/4) = 8*k*(1/8)

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=======================

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Two

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x = 1/3

2/5 = k * 1/3                   Multiply both sides by 5

2 = 5*k * 1/3

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y = 6/5 * x

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y = 6/5 * 1/4

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2 years ago
The normal price of a computer game is £40
Yuliya22 [10]

Answer:

The answer is £20

Step-by-step explanation:

Since the game is half-priced, we just have to divide the original price by 2.

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6 0
3 years ago
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