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astraxan [27]
3 years ago
10

Square and cube challenge

Mathematics
1 answer:
Amiraneli [1.4K]3 years ago
6 0

Answer:

8 cm.

Step-by-step explanation:

To make a cube, it is length times width times height. And cubes have side lengths equal all the way around. Therefore all you have to do to get a side length is take the cubic root of 512 which is 8. AKA 8 times 8 times 8 equals 512.

PLEASE GIVE BRAINLIEST

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I need a A in math can you help me with this answer
loris [4]

Answer: 13

Step-by-step explanation:

12^2+5^2=13^2

6 0
2 years ago
19. which one of the following is not equal to the rest? a 2% of 150 b. % of 400 b 3 c. 6% of 60 d. 69 of 50​
Irina18 [472]

Answer:

i think it's c

Step-by-step explanation:

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5 0
2 years ago
Mr.Johnson weighs 135 pounds. Her husband weighs 80 kilogram. How many fewer pounds does Ms.Johnson weigh than her husband?
sweet-ann [11.9K]
First you convert kilograms to pounds,
1 kilogram = 2.205 pounds
next you times the number of pounds per kilogram by the number of kilograms given that need to be turned into pounds.
80 times 2.205 = 176.4
next you subtract to get the answer
176.4 - 135= 41.4
so Ms. Johnson weighs 41.4 pounds less than herr husband


3 0
3 years ago
U divided by 25 =13 please do step by step and show work thanks :))
Anna71 [15]
Answer U/25=13
             U=13 divided 1/25
             U=13 multiply 25
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6 0
3 years ago
Please help
ASHA 777 [7]

Answer:

(-6,4)

Step-by-step explanation:

The equations are:

x^2+4y^2=100\\4y-x^2=-20

Solving for x^2 of the 2nd equation and putting that in place of x^2 in the 2nd equation we have:

4y-x^2=-20\\x^2=4y+20\\-------\\x^2+4y^2=100\\4y+20+4y^2=100

Now we can solve for y:

4y+20+4y^2=100\\4y^2+4y-80=0\\y^2+y-20=0\\(y+5)(y-4)=0\\y=4,-5

So plugging in y = 4 into an equation and solving for x, we have:

x^2=4y+20\\x=+-\sqrt{4y+20} \\x=+-\sqrt{4(4)+20} \\x=+-\sqrt{36} \\x=6,-6

So y = 4 corresponds to x = 6 & x = -6

The pairs would be

(6,4) & (-6,4)

<u><em>we see that (-6,4) falls in the 2nd quadrant, thus this is the solution we are looking for.</em></u>

5 0
2 years ago
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