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Blizzard [7]
2 years ago
10

The length of an edge of a cube is 9 centimeters. What is the volume of the cube?

Mathematics
2 answers:
Anni [7]2 years ago
4 0

Answer:

729cm^{3}

Step-by-step explanation:

Seeing as it is a cube, all ide are equal, therefore you can do:

S^{3}    or    L x w x h

either way it works out to be:

9 x 9 x 9

which equals 729

you can't forget about the units, which is cm^{3} since its a 3d shape

S^{3}

= 9 x 9 x 9

= 729cm^{3}

KATRIN_1 [288]2 years ago
3 0

Answer:

729

Step-by-step explanation:

Volume of cube=a^3

Volume of cube=9^3=729

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Q12.
SVEN [57.7K]

Answer:

Step-by-step explanation:

1l ........8.5 miles

x l .......6 miles

-----------------------

x=6*1/8.5

x=0.70 l

2*0.7=1.4 l petrol/day ( to work and come back home)

5*1.4=7 l/week ( 5 days works in a week)

7*1.26=8.82 L /week

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The petrol costs more

So the answer is NO

6 0
3 years ago
At a sale, books are sold at $90.75 each, which is 75 percent of the original price. What is the original price
lions [1.4K]

\frac{75}{100}  =  \frac{90.75}{x}  \\ x = \frac{90.75 \times 100}{75}  =  \frac{9075}{75}   = 121
the answer is 121
6 0
3 years ago
Given f(x) = x − 7 and g(x) = x2 . Find g(f(−1)).
ivann1987 [24]

Answer:

64

Step-by-step explanation:

g(f(-1)) can be found by first finding f(-1) then taking that result and putting it into the function g.

f(-1) means we are going to take the expression x-7 and evaluate it for x=-1:  

-1-7

-8

So f(-1)=-8.

So we have this so far:

g(f(-1))=g(-8)=(-8)^2=64.

g(-8) was found by replacing x in x^2 with -8.

8 0
3 years ago
There are 500 sheet of paper in the pack Hannah bought. She has used 137 sheets already. How many sheets of paper does Hannah ha
Grace [21]
Just work out 500 takeaway 137
5 0
3 years ago
Read 2 more answers
Which rational number equals 0 point 5 with bar over 5? 1 over 50 1 over 5 5 over 10 5 over 9
kolbaska11 [484]

Answer is b or the second option

Step-by-step explanation:

7 0
3 years ago
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