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olga_2 [115]
3 years ago
12

Help please and thank

Mathematics
2 answers:
nalin [4]3 years ago
8 0

Answer:

The answer is 1.


PilotLPTM [1.2K]3 years ago
6 0

Answer:

4

Step-by-step explanation:


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Which expression is equivalent to 7- 3x +2?​
Colt1911 [192]

Answer: 9-3x

Step-by-step explanation:

You add like terms

don't look at the 3x for now

positive 7 + positive 2 = 9

there is a negative sign next to 3x

9 goes first so

9 - 3x

8 0
3 years ago
Whats the answer for substitution x=9 y=3x-1
Blizzard [7]

Answer:

x=9, y=26. (9, 26).

Step-by-step explanation:

x=9

y=3x-1

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y=3(9)-1=27-1=26

8 0
3 years ago
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Solve the formula for the perimeter of a rectangle, with width w and length I,
Komok [63]

Answer:

( P -2w) /2 = l

Step-by-step explanation:

P= 2W + 2l

Subtract 2W from each side

P= 2W -2W + 2l

P -2W = 2l

Divide by 2

( P -2w) /2 = l

6 0
3 years ago
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Stephen is playing with a toy parachute. He drops the toy parachute from the rooftop of a building. The expression below represe
grin007 [14]
The equation for height as a function of time is:
height = (0.5)(acceleration)(time)^2 + (initial velocity)(time) + (initial height)
In this case, x will be the time, so 80 fits the initial height from which the parachute is dropped (the first choice).

The initial velocity of the parachute is 16, while acceleration is -32 (units of length are probably in ft).
4 0
3 years ago
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8x-4=2(4x-4) math question
EleoNora [17]

Answer:

No solution.

Step-by-step explanation:

8x - 4 = 2(4x - 4)

8x - 4 = 8x - 8

-4 = -8

-4 ≠ -8

8 0
3 years ago
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