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Stells [14]
3 years ago
9

What number raised to the third power equals 512

Mathematics
1 answer:
sweet [91]3 years ago
7 0
The answer is 8 (8 x 8 x 8 = 512)
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A ball has a circumference of 9.42 cm. what is the diameter
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2.998 correct me if wrong
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3 years ago
Multiply the polynomials. (4x^2 + 3z + 7)(8x - 5)
Vedmedyk [2.9K]

Answer:

32x3−20x2+24xz+56x−15z−35

Step-by-step explanation:

8 0
3 years ago
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Simplify.<br> Х+4/3x^2+7x - 20
pickupchik [31]

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Step-by-step explanation:Combine Like Terms:

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8 0
3 years ago
The following two sets of parametric functions both represent the same ellipse. Explain the difference between the graphs.
statuscvo [17]
The answer
ellipse main equatin is as follow:

X²/ a²   +  Y²/ b²  =1, where a≠0 and b≠0

for the first equation: <span>x = 3 cos t and y = 8 sin t
</span>we can write <span>x² = 3² cos² t and y² = 8² sin² t
and then  </span>x² /3²= cos² t and y²/8² =  sin² t
therefore,  x² /3²+ y²/8²  =  cos² t + sin² t = 1
equivalent to x² /3²+ y²/8²  = 1

for the second equation, <span>x = 3 cos 4t and y = 8 sin 4t we found
</span>x² /3²+ y²/8²  = cos² 4t + sin² 4t=1

7 0
3 years ago
Read 2 more answers
Erin is 8 years younger than twice Paula’s age. The sum of their ages is 40. How old is Erin
Lina20 [59]
You do the sum(40) subtracted by 8, the answer from that divided by 2 since Erin's two times younger.
40-8=32
32÷2=16
Then if you want to check it you do the opposite and get the same sum(40) so 16×2=32 and 32+8=40
6 0
3 years ago
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