MATHEMATICS HIGH SCHOOL

The probability of drawing a quarter from a bag of coins is 1/10. What is the probability of drawing a coin that is not a quarter from the bag?A.
10%

B.
100%

C.
20%

D.
90%

Answers

Answer 1
Answer: 1-1/10 = 9/10
9/10 x 100 = 90

So the answer is D, or 90%.

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What is the surface area of the rectangular prism below

Answers

Answer: A=490

Step-by-step explanation:

Formula - A = 2 ( wl + hl + hw)


2(7•14+7•14+7•7) = 490

Justine filled quart jars with 248 pints of juice. How many quart jars did Justine need?

Answers

1 pint is the same as half a quart. This means she will fit 2 pints in every jar. 248/2=124. She needs 124 jars.

Find an equation of a parabola with a vertex at the origin and directrix y = -4

Answers

y=1/16x^2. This is the answer because you find the focus using the equation y=1/4px^2 and the directrix is opposite the focus

If possible, please show solving steps

Answers

let 1/u=x and 1/v=y

so,

-3x-8y=20

-5x+y=19

then solve for it

When you find A and B, back-substitute for A and B and continue from there.

Translate the word phrase into a variable expression. please helpEight less than the quotient of x and 3.

A.
3x – 8

B.x/3-8


C.x-8/3


D.8-x/3

Answers

Quotient means the answer to a division problem. 8 less than the quotient indicates that we have to subtract 8 AFTER we do the division... so your expression would be

(x ÷ 3) - 8 or

x/3 - 8

Answer B

The LCD for the fractions 1 /3 , 3 /4 , 5 /32, and 8 /9 is A. 24. B. 3,072. C. 64. D. 288.

Answers

d 288 1/3 = 96/288     3/4 = 216/288     5/32 = 45/288      8/9 = 256/288

1/3 times 96    3/4 times 72     5/32 times 9     8/9 times 32
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