MATHEMATICS MIDDLE SCHOOL

PLS HELP ME W THIS QUESTION

Answers

Answer 1

Answer:

Answer:

A. 60 in³

Step-by-step explanation:

The formula of a volume of a cone:

$V=(1)/(3)\pi r^2H$

r - radius

H - height

We have r = 1.9 in and H = 15 in. Substitute:

$V=(1)/(3)\pi(1.9)^2(15)=\pi(3.61)(5)=18.05\pi\ in^3$

$\pi\approx3\to V\approx18.05\cdot3=54.15\ in^3$

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Factor completely x2 - 36.

I think this is Prime is that correct

Answers

No. It's the difference of two squares, and so can be easily factored:

x² - 36 = (x + 6) (x - 6)

Multiply those out and you'll see.

$x^2 - 36=(x-6)(x+6)\n\n\na^2-b^2 = (a-b)(a+b)$

PLEASE HELP!!!!!!!!!!!!!!

Answers

the answer is the top answer

Caley has a bag that contains 9 blue marbles and 13 yellow marbles. She selects a marble at random, and then, without replacing the first one, selects another marble at random. What is the probability that Caley selects a blue marble and then a yellow marble? Round your answer to the nearest percent. P(blue and yellow) ≈ %

Answers

The answer would be 24%.

You need to multiply the probabilities of each of those circumstances occurring separately (9/22 for choosing a blue one and 13/22 for choosing a yellow one) in order to find the probability of them happening in a row.

9/22 * 13/22 * 100% ~ 24%

A store purchased a DVD for $12.00 and sold it to a customer for 50% more than the purchase price.The customer was charged 7% tax when the DVD was sold.What was the customer's total cost for the DVD?

Answers

$12×.50=6
6+12=18
18×.07=1.26
18+1.26=19.26
the total cost the customer payed was $19.26

In the following figure QRST is a rectangle without using a protractor determine the measure of RQS write an equation that could be used to solve the problem

Answers

I saw the image. QRST is a rectangle.

It has 4 right angles or 90° angles. ∠QRS ∠RST ∠STQ ∠TQR

Based on the image: ∠TQS and ∠RQS are complementary angles. This means that the sum of their angles is 90°

∠TQS is 24°. Thus, ∠RQS is 66°

90° - 24° = 66°

∠TQS + ∠RQS = 90°

What is 25/50 in lowest terms?

Answers

1/2 because 25 ÷ 25 = 1 and 50 ÷ 25 = 2

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