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BaLLatris [955]
3 years ago
13

Alex types 1/2 of a page in 1/2 an hour. How long will it take him to type 1 page?

Mathematics
1 answer:
muminat3 years ago
5 0
B. 1 hour, he takes the exact amount of time that he types.
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Arrange the numbers in decreasing order.<br> 83.508<br> 83.58 83.5 83.058
Anna [14]

Answer:

they already are.

in ascending order, they are 83.058, 83.5, 83.58

3 0
3 years ago
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A square piece of tissue paper has sides that are 12 centimeters long. What is the tissue
slega [8]

Answer:

48

Step-by-step explanation:

A square has 4 sides of equal length. 12 x 4=48

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Afina-wow [57]
Put the equations in for r and c

p(c)=10x-(4x+15)
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5 0
3 years ago
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Nezavi [6.7K]

Answer:

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Step-by-step explanation:

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4 0
2 years ago
US average math SAT scores follow a normal distribution with a mean of 505 and a standard deviation of 112. A sample of 64 enter
Hitman42 [59]

Answer:

The claim that the scores of UT students are less than the US average is wrong

Step-by-step explanation:

Given : Sample size = 64

           Standard deviation = 112

           Mean = 505

           Average score = 477

To Find : Test the claim that the scores of UT students are less than the US average at the 0.05 level of significance.

Solution:

Sample size = 64

n > 30

So we will use z test

H_0:\mu \geq 477\\H_a:\mu < 477

Formula : z=\frac{x-\mu}{\frac{\sigma}{\sqrt{n}}}

z=\frac{505-477}{\frac{112}{\sqrt{64}}}

z=2

Refer the z table for p value

p value = 0.9772

α=0.05

p value > α

So, we accept the null hypothesis

Hence The claim that the scores of UT students are less than the US average is wrong

3 0
3 years ago
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