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Anit [1.1K]
3 years ago
8

Please help I’ll give brainliest

Mathematics
1 answer:
Shtirlitz [24]3 years ago
8 0

Answer:

15

Step-by-step explanation:

15 cubed (15×15×15) equals 3375

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If P=(-2,5) and (x,-27), find all numbers x such that the vector represented by PQ has length -40
Akimi4 [234]

Answer:

  x ∈ {-26, 22}

Step-by-step explanation:

A graph shows that the points (-26, -27) and (22, -27) lie on a circle of radius 40 centered at (-2, 5). That is, if Q is either one of these points, the vector PQ will have a length of 40:

  • √((-26-(-2))^2 +(-27-5)^2) = √((-24)^2 +(-32)^2) = √1600 = 40
  • √((22 -(-2))^2 +(-27 -5)^2) = √(24^2 +(-32)^2) = √1600 = 40

You can call it -40 if you like, but you have to define what negative length means when you do that.

8 0
3 years ago
PLZ HELP ASAP DONT SKIP IT AWNSER IT PLZ
Ugo [173]
I think it is friction sorry if I am wrong.

If you think about the others for example gravity doesn’t make sense and neither does turgor so maybe it’s either friction or electricity
I hope I helped :)
7 0
2 years ago
Out of 56 players on the football team, 24 are on honor roll and 18 have perfect attendence. 7 who are on honor roll also have p
JulijaS [17]

Answer:

7/56

Step-by-step explanation:

This is because there are 56 people and seven out of them are on the honor roll and have perfect attendance. You have a seven out of fifty-six chance of choosing them.

8 0
3 years ago
Read 2 more answers
−(7 − 2x) + 7 = −7 solve for x
jekas [21]
First, remove the parentheses

-7+2x+7=-7

Cancel the equal terms.

2x+7=0

Subtract 7

2x= -7

Divide both sides by 2

Final answer is:

X= -3.5
3 0
3 years ago
What expression is this equivalent to -4x^2 + 2x - 5(1 + x)
BabaBlast [244]

Answer:

-4x^2 -3x - 5

Step-by-step explanation:

-4x^2 + 2x - 5(1 + x)

Distribute

-4x^2 + 2x - 5 -5x

Combine like terms

-4x^2 -3x - 5

4 0
3 years ago
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