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Natasha2012 [34]
3 years ago
7

The square of 15 is 225. The square of what other number is 225?

Mathematics
2 answers:
Firlakuza [10]3 years ago
7 0

Answer:

-15

Step-by-step explanation:

-15²

= -15×-15

= 225

hope it helps!!

nlexa [21]3 years ago
4 0

Answer:

-15

Step-by-step explanation:

Any number times itself is a positive number. The square of any number will be the same as the square of that number times -1

example:

2^2=4

-2^2=4

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5(5x+3)

Step-by-step explanation:

25x=5*5x

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5*5x+5*3

Factor out the Common 5

5(5x+3)

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A school knows that 10% of its students are left-handed. What is the
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2 years ago
Look at the photo pick A B C D either one explanation not needed thank you! <3
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Answer:

A

Step-by-step explanation:

-5 i s greater than -2.

Nope that aint true

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7 0
2 years ago
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Help please!!! Thank you
Anna11 [10]

Answer: ∠ABE=20°

Step-by-step explanation:

∵ AB=BC

∴ ΔABC is a isosceles triangle

∵ ∠A=30

∴ ∠C=30

∵ The interior angle sum of triangle is 180°

∵ ∠A+∠B+∠C=180

    30+∠B+30=180

           ∠B+60=180

                  ∠B=120 (∠ABC)

∵ ∠EBD+∠ABE+∠ABC=linear pair

∴∠EBD+∠ABE+∠ABC=180°

                  4x+2x+120=180

                        6x+120=180

                                6x=60

                                  x=10

∠ABE=2x=2(10)=20°

Hope this helps!! :)

Please let me know if you have any question

6 0
3 years ago
PLEASE HELP!! WILL REQARD A LOT
Soloha48 [4]

9514 1404 393

Answer:

  17,500

Step-by-step explanation:

The problem can be written as a proportion:

  hits/revenue = 1000/(£2) = x/(£35)

Multiplying by £35 gives ...

  x = 1000(35/2) = 35000/2 = 17,500

17500 hits are required for revenue of £35.

3 0
2 years ago
Read 2 more answers
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