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3 years ago

PLEASE ANSWER ASAP!!!

Mathematics

1 answer:

Vesna [10]3 years ago

4 0

Answer:

C=x (x+3)

Step-by-step explanation:

x cannot divide x+3 definitely so the denominators must be multiplied to get the least common denominator.

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What is the value of x?<br><br><br> A. 72<br> B.108<br> C.126<br> D.63

svetlana [45]

Answer:

126

Step-by-step explanation:

The way for you to find a triangle angles is by having an answer to 180. That 180 is called supplementary. 126+54 = 180.

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3 years ago

The figure shows the movement of a pedestrian as she walks from point B to point E. Write a formula for function d(t) for each s

levacccp [35]

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2 years ago

Read 2 more answers

What is the area of the beach ball with a diameter of 14 in. ?

Juliette [100K]

Answer:

The answer is 675.75 square Inches

Step-by-step explanation:

<h3><u>Given</u>;</h3>

Diameter (d) = 14 in.

Area of beach ball = ?

<h3><u>Formula</u>;</h3>

Area = 4πr²

Now,

Radius (r) = diameter ÷ 2

r = 14/2 in.

r = 7 in.

Now,

A = 4πr²

A = 4 × 22/7 × (7)² in.

A = 4 × 22 × 7 in.

A = 615.75 square in.

Thus, The area of the beach ball with a diameter of 14 in. is 615.75 square in.

6 0

2 years ago

Read 2 more answers

(5+x-3)x-3=x-1 what is x?

Tju [1.3M]

You multiple everything in the ( )’s with the number outside of the ( )’s

4 0

3 years ago

A simple random sample of 100 concert tickets was drawn from a normal population. The mean and standard deviation of the sample

alexandr402 [8]

Answer:

We accept the null hypothesis and the population mean is $120.

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 100

Sample mean, $\bar{x}$ = $120

Alpha, α = 0.01

Sample standard deviation, s = $25

First, we design the null and the alternate hypothesis

$H_{0}: \mu = 125\\H_A: \mu \neq 125$

We use two-tailed t test to perform this hypothesis.

Formula:

$t_{stat} = \displaystyle\frac{\bar{x} - \mu}{\frac{\sigma}{\sqrt{n}} }$

Putting all the values, we have

$t_{stat} = -2.0$

p-value one tail= 0.024

p-value two tail= 0.048

Conclusion:

Since the p-value for two tailed test is greater than the significance level, we fail to reject the null hypothesis and accept it.

Thus, the population mean is $120.

6 0

3 years ago