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belka [17]
3 years ago
13

It takes 6 cubes to build a staircase with 3 steps. How many cubes will be needed for 11 steps?

Mathematics
1 answer:
Leya [2.2K]3 years ago
7 0

Answer:

5 more cubes

Step-by-step explanation:

you just keep on adding the cubes. So i am in honors math and the easiest way to do math like this just use paper so start with the number of cubes and the just keep on adding till you get to the number you need in this case that number is 11.

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Simplify the expression to a polynomial in standard form: (3x+1)(3x^2 −6x−8)
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3 years ago
4(3 + 4x - 2)<br> Is says to expand the expression
denpristay [2]

Answer:

12+16x-8

Step-by-step explanation:

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5 0
2 years ago
Maria earns $8 an hour babysitting. Last week Maria made $64. She needs to have at least $150 for vacation. Which inequality can
Free_Kalibri [48]

Answer:

8x+64≥150

Step-by-step explanation:

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8 0
3 years ago
Read 2 more answers
You randomly draw a marble from a bag of marbles that contains 333 blue marbles, 444 green marbles, and 555 red marbles.
Nikitich [7]

Answer:

1/4 or 0.25

Step-by-step explanation:

Isn't latex a devil?

You want to know the probability of a blue marble.

Formula

P(blue) = #Blue / # Total

Givens

#Blue = 333

#Total = 333 + 444 + 555 = 1332

Solution

P(blue) = 333 / 1332      Divide by 111

P(blue) = 3/12

P(blue) = 1/4 or 0.25

7 0
3 years ago
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