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Mama L [17]
3 years ago
7

Hi this is my last bits of points, i Have 10 take it or leave it

Mathematics
1 answer:
schepotkina [342]3 years ago
7 0

Answer:

I am confusion

Step-by-step explanation:

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Are the equations 3x=−9 and 4x=−12 equivalent? Explain.<br> yes they are
My name is Ann [436]

Step-by-step explanation:

Yes they are equivalent. You get -3 when you try solving the actual equation.

5 0
3 years ago
Find the surface area of a sphere with a diameter of 30 m. Express your answer in terms of π.
shutvik [7]

Answer:

900π m2

Step-by-step explanation:

surface are of a sphere is 4π(r)^2

now diameter is 30m,so radius will be 15 m

how, 4π(15)^2=900π (m2)

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3 years ago
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8 0
3 years ago
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if a cylinder has a volume of 75 cubic inches, what would be the volume of a cone with the same base and height? Explain
kumpel [21]

25 cubic inches because you know that every cone is a third of the volume of the cylinder with which it shares a height and base with.

3 0
3 years ago
Rayshawn has a certain amount of money if he spends $20 then he has 1/3 of the original amount how much money did Rayshawn have
erik [133]

Answer:

Rayshawn originally had $30.

Step-by-step explanation:

i) Rayshawn has a certain amount of money. Let us say this amount is $x.

ii) Rayshawn spends $20 which means that he is left with $(x - 20)

iii) it is also given that amount of money left after spending $20 is \dfrac{1}{3} of the original amount, $x, the amount remaining is \dfrac{\$x}{3}.

iv) from the information given in ii) and iii) we get

     $(x - 20) = \dfrac{\$x}{3},  Therefore we get 3x - 60 = x , therefore 2x = 60,

  Therefore x = $30. Rayshawn originally had $30.

7 0
3 years ago
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