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just olya [345]
3 years ago
13

Domain of (x-5)(x+5)

Mathematics
1 answer:
soldier1979 [14.2K]3 years ago
4 0
X2 -25 that’s the answer but it’s x squared 2 if that makes sense
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Marco made of rectangular prism using 1/2 m cubes the rectangular prism has a volume of 5 m³ how many cubes did Marco use
Nookie1986 [14]
Ok so
1 find volume of 1 cube
2. find total volume of rectangular prism

1/2 m cubes
volume=side^3
side=1/2m (I guess since that was what was given)
v=1/2^3=1/8

so
volume of 1 cube times number of cubes=total volume
1/8m^3 times number of cubes=5m^3
multiply both siides by 8/1 m^3 to clea fraction (since 8/1 times 1/8=8/8=1)
number of cubes=40


needs 40 cubes
8 0
3 years ago
Which of the following is the image of the point for the given rotation, r (120°) (F)?
bogdanovich [222]

Answer:

B

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maria [59]
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You may gain much more insight by graphing 2^n, 3^n and 4^n to determine whether there is truth in the given statement or not.

3 0
3 years ago
Simplify the following expression and state the excluded values<br><br> m+7/m^2+4m-21
erastova [34]
5m-14/(m+1)(m-1)

excluded values: 1,-1
4 0
3 years ago
Read 2 more answers
1 point
Evgesh-ka [11]

Answer:

Its an integer and rational number

7 0
3 years ago
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