I need help is it A b c Or d

Mathematics

2 answers:

Ksju [112]2 years ago

8 0

I think it's multiplying by 5

gulaghasi [49]2 years ago

6 0

The answer is B.

The factor by which 2 changed to -10 is $\frac{-10}{2},~or~-5.$
The change for the next term is $\frac{50}{-10},~or~also~-5.$
Again, the change to the next term is $\frac{-250}{50},~being~-5.$
Since the terms are consistently increasing by -5, that is your ratio. Your answer is B, -5.

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During a 5-year period, 48% of snowstorms in a certain city caused power outages. Thirty dash nine of the snowstorms did not

beks73 [17]

Answer:

Step-by-step explanation:

48% of snowstorms caused power outages, which means 52% did not.

Therefore, 39 is 52% of all snowstorms.

39 = 0.52x

x = 75

There were 75 snowstorms over the 5-year period.

4 0

3 years ago

Can you help me i dont know thw anwser

Margaret [11]

$\text{Let the side of square 1, square 2 and square 3 be x, y and z respectively.}\\\\\text{Given that,}\\\\\text{Perimeter of square 1,~~ p =100 units.}\\\\\text{So}~ x=\dfrac p 4 = \dfrac{100}4 =25~\text{units.}\\\\\\\text{Area of square 2, a = 225 units}^2\\\\\text{So}~y = \sqrt{a} = \sqrt {225} = 15~ \text{units.}\\\\\text{Use Pythagorean theorem to find z}^2\\\\x^2 =y^2 +z^2 \\\\\implies 25^2 = 15^2 +z^2\\\\\implies z^2 = 625 - 225 = 400\\\\\\$