3 years ago

The diagram shows a prism work out the volume???

Mathematics

1 answer:

julia-pushkina [17]3 years ago

8 0

Answer:

Volume is equal to

L×W×H

=(10×9×7)cm

=90×7

=630

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The sum of 3 consecutive integers is 45. Which equation represents this?

cestrela7 [59]

Consecutive integers are 1 apart
they are
x,x+1,x+2
so it would be
x+x+1+x+2=45
B is answer

3 0

3 years ago

Can someone solve -5x +2y=10

marta [7]

Answer:

$x=\frac{2}{5}y-2$

Step-by-step explanation:

$-5x+2y=10\\-5x+2y-2y=10-2y\\-5x=2y-10\\\frac{-5x}{-5}=\frac{2y-10}{5}\\ x=\frac{2}{5}y-2$

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3 years ago

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Slav-nsk [51]

The denominator is 20

5X4= 20

8 0

3 years ago

Before the season starts, the performing arts center offers tickets at 30% off the listed price. The listed ticket price for the

enyata [817]

To the percentage of something do $45 times 0.3

0.3 represents the percent of discount

When you do that you should get $13.5

$13.5 just represents the amount you are going to take away from $45, so subtract 13.5 from 45

Answer:

D. $31.5

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3 years ago

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What two numbers add to 13 but multiply to negative 12?

Phoenix [80]

9514 1404 393

Answer:

13.8654599313 and -0.8654599313

Step-by-step explanation:

If one of the numbers is x, then the other is 13-x, and their product is ...

x(13 -x) = -12

x^2 -13x = 12 . . . . multiply by -1 and simplify

x^2 -13x +6.5^2 = 12 +6.5^2 . . . . complete the square

(x -6.5)^2 = 54.25

x -6.5 = √54.25

x = 6.5 +√54.25 ≈ 13.8654599313

and the other number is ...

13 -x = 13 -13.8654599313 = -0.8654599313

The two numbers are 13.8654599313 and -0.8654599313.

3 0

3 years ago