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3 years ago

Which of the following xpressions is equivalent to -1/4 - 5/3? -1/4 + (-5/3) or - 1/4 + 5/3?

1 answer:

Nadusha1986 [10]3 years ago

5 0

-1/4 + (-5/3)

When there is no number between a grouping symbol and a + or - sign, by default you can multiply the contents in the group by 1 to get rid of the grouping symbols.

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What is the product in distributive property for 7x63

Sauron [17]

Distributive property is
a(b+c)=ab+ac

we can make it easier by splitting up 63 into 60+3

so
7(63)=7(60+3)=7*60+7*3=420+21=441

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2 years ago

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What is the simplest form of this expression? 4(-n-3) + 7

Serga [27]

Answer:

− 4 n − 5

Step-by-step explanation:

Simplify the expression.

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3 years ago

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Anni [7]

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Solve for all values of x by factoring. x 2(this is squared)+x−2= 0

Temka [501]

Factor it out (x+2)(x-1)

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3 years ago

Find the volume of a hemisphere that has a diameter of 48 inches and leave your answer in terms of pie

marin [14]

Given:

Given that the diameter of the hemisphere is 48 inches.

We need to determine the volume of the hemisphere.

Radius:

The radius of the hemisphere can be determined using the formula,

$r=\frac{d}{2}$

Substituting d = 48, we get;

$r=\frac{48}{2}$

$r=24$

Thus, the radius of the hemisphere is 24 inches.

Volume of the hemisphere:

The volume of the hemisphere can be determined using the formula,

$V=\frac{2}{3} \pi r^3$

Substituting r = 24, we get;

$V=\frac{2}{3} \pi (24)^3$

$V=\frac{2}{3} \pi (13824)$

$V=9216 \pi \ in^3$

Thus, the volume of the hemisphere is 9216π cubic inches.

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3 years ago