2 years ago

2 Points A rational expression is undefined whenever its numerator is zero.

Mathematics

1 answer:

aev [14]2 years ago

3 0

56 because you gotta multiply it

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Estimate then ubtract 4 3/8 1 5/8

timofeeve [1]

Step-by-step explanation:

3/8 = 0.375

5/8 = 0.625

4.375 - 1.625

= 2.75

3 0

3 years ago

Emily used the number line to find the quotient for -15 ÷ 5. What errors did she make? Select three correct answers.

Naily [24]

Answer:

she didnt go back from 15 she went back from 20and the arrows should be going backwords not forwards

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2 years ago

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In a volleyball game, Caroline served the ball over the net 16 out of 20 times. What percent did she not make her serve over the

brilliants [131]

16/20. We reduce that and get 4/5.

After this it's much simpler to chage it.

100 dividied by 5 is 20. (20,40,60,80,100)

So the 4th number (4/100)

is 80. 80%.

20% she didn't and 80% she did :) (100-80)

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3 years ago

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Rewrite 3 x 6/8 as the product of a unit fraction and a whole number

iragen [17]

3×6/8 reduce is 3× 3/4= 3/1×3/4=9/4 or 2 1/4

4 0

3 years ago

What is the approximate area of the shaded portion of the diagram? (Use 3.14 as an estimate for pi.)

Nadusha1986 [10]

Answer:

218

Step-by-step explanation:

first find the area of the circle-

$A=\pi r^{2} \\A=\pi 10^{2} \\A=100\pi \\A=314$

to find the area of the triangle, we need the base and the height. The base we know is 16, since we don't know the height yet, use the Pythagorean theorem to find the height. One leg is 16 the hypotenuse is 20 (2* the radius).

$a^{2} +b^{2} =c^{2} \\a^{2} +16^{2} =20^{2} \\a^{2} +256=400\\a^{2} =144\\a=12$

Now I know the height is 12. Find the area of the triangle

$A=\frac{1}{2} bh\\A=\frac{1}{2} (16)(20)\\A=96$

subtract the area of the triangle from the area of the circle

314-96=218

6 0

2 years ago