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Advocard [28]
3 years ago
15

5x(x + 2) - 12x distribute and combine like terms

Mathematics
1 answer:
qaws [65]3 years ago
5 0

Answer:

Answer = 3x

Step-by-step explanation:

5x(x + 2) - 12x (x (by itself) = 1)

5x + 10x - 12x

15x - 12x

3x

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Noel and Joy started dancing in an effort to lose weight. Noel recorded the number of calories she burns in x hours in the table
Darya [45]

Answer:

Noel burns calories faster. Choice D

Step-by-step explanation:

n(x)=250x (noel’s burned calories per hour)

j(x)=100x (joy’s burned calories per hour)

4 0
3 years ago
Simplify:<br> 2(5 + w) + 3(w + 2)
AlekseyPX

Answer:

16+5w

Step-by-step explanation:

2(5 + w) + 3(w + 2)

5+w evaluates to 5+w

Multiply 2 by 5+w

we multiply 2 by each term in 5+w term by term.

This is the distributive property of multiplication.

Multiply 2 and 5

1

2 × 5 = 10

Multiply 2 and w

Multiply 1 and w

The w just gets copied along.

w

2 × w = 2w

2*(5+w) evaluates to 10+2w

w+2 evaluates to w+2

Multiply 3 by w+2

we multiply 3 by each term in w+2 term by term.

This is the distributive property of multiplication.

Multiply 3 and w

Multiply 1 and w

The w just gets copied along.

w

3 × w = 3w

Multiply 3 and 2

1

3 × 2 = 6

3*(w+2) evaluates to 3w+6

To add the polynomials 10+2w and 3w+6 we try to add or combine terms in one polynomialwith any like terms in the other polynomial.

10 + 6 = 16

2w + 3w = 5w

The answer is 16+5w

2*(5+w)+3*(w+2) evaluates to 16+5w

The final answer is

16+5w

7 0
4 years ago
Read 2 more answers
Can somebody help me with this question please!​
Ann [662]
  1. a (30)

fig 3 would take 18 triangle

fig 4 would take 30 small triangles

if its wrong i am sorry

3 0
3 years ago
Read 2 more answers
Does this represent a function? Yes or no and explain why. (Please fast! im being timed(
andrew-mc [135]

Answer:

Hello

No function.There are two 7's on the x-axis. There can be 2 or more same numbers on the y-axis.

Step-by-step explanation:

Answer is No.

7 0
3 years ago
A spider ate
KatRina [158]
25% of 88 = 

0.25 × 88 = 22

88 + 22 = 110

Answer = 110

Hope this helped☺☺
7 0
3 years ago
Read 2 more answers
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