3 years ago

An elevator is on the twentieth floor. It goes down 11 floors and then up 5 floors. What floor is the elevator on now?

Mathematics

2 answers:

kolbaska11 [484]3 years ago

6 0

Answer:

floor 14

Step-by-step explanation:

brilliants [131]3 years ago

4 0

Answer:

14th Floor

Step-by-step explanation:

You started at 20 subtract 11 which equals 9 then went up 5 floors add 5 which equals 14.

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3 years ago

The pottery class has 15 pounds of clay. Each student got 1/3 pound of clay to make a plate. How many plates did the students ma

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3 years ago

Eights rooks are placed randomly on a chess board. What is the probability that none of the rooks can capture any of the other r

lbvjy [14]

Answer:

$4.51\times10^{-10}$

Step-by-step explanation:

There are only 2 solutions for none of the rooks can capture any of the other rooks: only if they are laid out in either of the 2 diagonal of the chess board

The number of possible combination for the rock to laid out in 8x8 (64 slots) chess board

$\frac{64 * 63 * 62 * 61 * 60 * 59 * 58 * 57}{8!} = \frac{1.78\times10^{14}}{40320} = 4426165368$ possible combination

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4 0

3 years ago

How to solve 2x+4 = 6x - 10

mars1129 [50]

Answer:

Step-by-step explanation:

2x + 4 = 6x - 10

Minus 2x on both sides

4 = 4x - 10

Add 10 on both sides

14 = 4x

Divide by 4 on both sides

14/4 = x

x = 14/4

Simplify fraction

x = 7/2 or x = 3 1/2

3 0

3 years ago

Maggie pays $9.28 for 8m of ribbon.<br> what is the cost of the ribbon per meter

Helen [10]

Answer:

$1.16 per meter

Step-by-step explanation:

You need to divide the coat by the meters.

9.28/8

= 1.16

So one meter of ribbon would cost $1.16.

7 0

3 years ago

Read 2 more answers