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3 years ago

How many terms are in the expression shown below?

Mathematics

2 answers:

netineya [11]3 years ago

8 0

The answer would be D

german3 years ago

6 0

The answer would be B

a2 = 1

ab=2

8b and b2=3

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Please help I am desperate

Phoenix [80]

Answer:

see below

Step-by-step explanation:

72pi cubic inches

1/3 pi r ^2 * h = 72 pi

1/3 r^2 h = 72

You can theoretically find infinite answers to this and get enough points for the semester where you don't have to do work anymore. I will list a couple more possible answers below

r = radius, h = height

r = 2, h = 54

r = 3, h = 24

r = 4, h = 27/2

r = √(1/pi), h = 72pi

5 0

2 years ago

Math scores on the SAT exam are normally distributed with a mean of 514 and a standard deviation of 118. If a recent test-taker

LuckyWell [14K]

Answer:

Probability that the student scored between 455 and 573 on the exam is 0.38292.

Step-by-step explanation:

We are given that Math scores on the SAT exam are normally distributed with a mean of 514 and a standard deviation of 118.

Let X = Math scores on the SAT exam

So, X ~ Normal( $\mu=514,\sigma^{2} =118^{2}$ )

The z score probability distribution for normal distribution is given by;

Z = $\frac{X-\mu}{\sigma}$ ~ N(0,1)

where, $\mu$ = population mean score = 514

$\sigma$ = standard deviation = 118

Now, the probability that the student scored between 455 and 573 on the exam is given by = P(455 < X < 573)

P(455 < X < 573) = P(X < 573) - P(X $\leq$ 455)

P(X < 573) = P( $\frac{X-\mu}{\sigma}$ < $\frac{573-514}{118}$ ) = P(Z < 0.50) = 0.69146

P(X $\leq$ 2.9) = P( $\frac{X-\mu}{\sigma}$ $\leq$ $\frac{455-514}{118}$ ) = P(Z $\leq$ -0.50) = 1 - P(Z < 0.50)

= 1 - 0.69146 = 0.30854

The above probability is calculated by looking at the value of x = 0.50 in the z table which has an area of 0.69146.

Therefore, P(455 < X < 573) = 0.69146 - 0.30854 = 0.38292

Hence, probability that the student scored between 455 and 573 on the exam is 0.38292.

7 0

3 years ago

What is 87+56-78=?? if u know the answer plz give it to me right k

PilotLPTM [1.2K]

It equals to 65 for the exact answer

4 0

2 years ago

Read 2 more answers

Buddy, Louis, Mabel and Spot are all puppies and are playing in the forest. They notice seven bees and five cockroaches, and the

Natasha2012 [34]

Answer:

188 legs

Step-by-step explanation:

A game of legs!!

In this question, we are asked to calculate the number of legs of animals present in the question.

Let’s first identify the individual brands of animals present. We have ;

4 dogs, 7 bees, 5 cockroaches, 8 spiders, 3 deers, 4 boars and 2 antlers.

A dog has 4 legs; this means total number of legs contributed by the dogs to the pool will be 4 * 4 = 16 legs

A bee has six legs; total number of bees legs is thus 7 * 6 = 42 legs

A cockroach has 6 legs; total number of cockroaches legs is 6 * 5 = 30 legs

8 spiders have a total of 8 * 8 = 64 legs

3 deers, 4 boars and 2 antlers have 4 legs each making a total of 9 * 4 = 36 legs

The total number of legs present is thus; 36 + 64 + 30 + 42 + 16 = 188 legs

6 0

2 years ago

What is the slope of the line whose function f satisfies f(−2)=1 and f(5)=−10f(−2)=1 and f(5)=−10?

Radda [10]

M = (f(5) -f(-2))/(5 -(-2)) = (-10 -1)/7
m = -11/7

The slope of the line is -11/7.

4 0

3 years ago