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Sav [38]
3 years ago
12

Expand. Your answer should be a polynomial in standard form. 8r^2(r^2-2)=

Mathematics
1 answer:
balandron [24]3 years ago
3 0

Answer:

8r^4 - 16r^2

2Step-by-step explanation:

8r^2(r^2-2)

Multiply everything inside the brackets by the term outside of it.

8r^4 - 16r^2

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The hypotenuse of a 45°-45°-90° triangle measures 22 square root 2 units
anastassius [24]
Hypotenuse = 22*sq root (2)
I'm guessing you need to know the length of the triangle legs?
The triangle leg of a 45 45 90 triangle = hypotenuse / sq root (2)
triangle leg= 22* sq root (2) / sq root (2)
triangle leg=22


7 0
3 years ago
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If a is the set of all integers choose the set B that will make the following statement false
Tju [1.3M]

Answer:

Try the 2nd one

Step-by-step explanation:

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3 years ago
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How do you solve y=5x-5 and y=3x+3 using substitution method?
ser-zykov [4K]

Answer:

set y=0 in one of the equations and then in the other one set x=0

Step-by-step explanation:

below is how you do it

y=5x-5         y=3x+3

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4 0
3 years ago
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Is 6200 ft greater or less than 1 mile 900 ft
Sphinxa [80]
1 mile is equal to 5280 feet

Add 900 to it:

5280 + 900 = 6180

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7 0
3 years ago
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-f(3f-7)=0 solve equation<br>​
kenny6666 [7]

Answer:

F=0 or (7/3)

Step-by-step explanation:

When F is 0, the equation reads -0(3(0)-7)=0. The outside 0 will multiply by everything and make it equal 0. When F is 7/3, the inside of the parenthesis read 3(7/3)-7. This equals 7-7. It'll end up being (7/3)0, which equals 0.

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