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Pani-rosa [81]
4 years ago
9

How do you do this step by step -7(-3n+3)=-21+21n

Mathematics
2 answers:
xxMikexx [17]4 years ago
8 0

Answer:

ytyu

Step-by-step explanation:

bixtya [17]4 years ago
6 0

Answer:

Step-by-step explanation:

-7(-3n+3)=21n-21

Because -7*-3n gives you 21n and -7 times 3 gives you -21.

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e is 150% more than d . what is the ratio d:e in its simplest form? what is the ratio e:d in the form 1::n​
Bad White [126]

Answer:

d:e is 2:3

Step-by-step explanation:

if 'e' is 150% more than 'd' we can say that 'e' is 1.5 and 'd' is 1

ratio of 1/1.5 or 1÷3/2 is 2/3

3 0
3 years ago
Please help its my last question and I really need to submit this right about now. I’m not sure what the answer is and how I do
iren [92.7K]

Answer:

I legit answered this its 6/10

Edit: y = -6/10x + 100

Step-by-step explanation:

Change in y over change in x

60/100

6/10

8 0
3 years ago
Read 2 more answers
The equation y = (-16t – 2)(t-1) represents the height in feet of a beach ball thrown by a child as a function of time, `t`, in
olasank [31]

2 ft

Step-by-step explanation:

The height from which the beach ball was thrown happens when t = 0. So setting t = 0 to get y, we get

y = [-16(0) - 2](0 - 1)

= (-2)(-1)

= 2 ft

Therefore, the ball was thrown from a height of 2 ft.

7 0
3 years ago
Given the first three terms of a linear sequence: 3x – 2;x+9; 2x + 5 Determine the value of x.​
Yuliya22 [10]

Answer:

x = 5

Step-by-step explanation:

The difference between consecutive terms will be equal , then

a₂ - a₁ = a₃ - a₂ , that is

x + 9 - (3x - 2) = 2x + 5 - (x + 9) ← distribute parenthesis on both sides

x + 9 - 3x + 2 = 2x + 5 - x - 9 , simplify both sides

- 2x + 11 = x - 4 ( subtract x from both sides )

- 3x + 11 = - 4 ( subtract 11 from both sides )

- 3x = - 15 ( divide both sides by - 3 )

x = 5

5 0
3 years ago
Read 2 more answers
Which expression represents the<br>statement "the product of 3 less than a<br>number and 5"}​
yan [13]

Answer:

5(x-3)

Step-by-step explanation:

5 0
4 years ago
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