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3 years ago

7

On which number line do the points represent negative 4 and 1 over 2 and +3?

2 answers:

ahrayia [7]3 years ago

5 0

ITS A!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!=)

xz_007 [3.2K]3 years ago

3 0

I think is 3
Hope is corect

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A rectangular prism measures 225 inches by 315 inches by 2 inch.

Bas_tet [7]

Answer:

No I don't agree with Priya

The reason why I don't agree with Priya is because 25 Inch side blocks are BIGGER than 15 inch side blocks. That means that it will take less amount of 25 inch side blocks to fill up the volume of the rectangular prism rather than 15 inch side blocks.

(I'm sorry, I don't know what was your previous question, so I can't answer that part. If you comment it below, I will do it!)

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2 years ago

A train leaves St.louise traveling west at 60 miles per hour. An hour later,another train leaves St.louise traveling east at 80

Natali5045456 [20]

Answer:

a

answer is 3

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-20 x=-60

x= 3

7 0

3 years ago

What is the slope of the line in this graph?

White raven [17]

Answer: 5/7. So B

Step-by-step explanation:

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3 years ago

Read 2 more answers

What is the area? (please help ╥﹏╥)

zhenek [66]

Answer:

It should be 28 inches if im not correct but if you do the triangle formula then it would be 14 inches 4 x 7 = 28 but half is 14

Step-by-step explanation:

6 0

3 years ago

Dullco Manufacturing claims that its alkaline batteries last at least 40 hours on average in a certain type of portable CD playe

algol13

Answer:

The value is $p- value = 0.041815$

Step-by-step explanation:

From the question we are told that

The population mean is $\mu = 40 \ hours$

The sample size is $n = 18$

The sample mean is $\= x = 37.8 \ hours$

The standard deviation is $\sigma = 5.4\ hours$

The null hypothesis is $H_o : \mu = \ge 40$

The alternative hypothesis is $H_a : \mu < 40 \ hour s$

Generally the test statistic is mathematically evaluated as

$t= \frac{\= x - \mu}{ \frac{\sigma}{ \sqrt{n} } }$

$t= \frac{37.8 - 40}{ \frac{5.4}{ \sqrt{18 } }$

$t= -1.73$

From the z - table the p-value is obtained and the value is

$p- value = P(Z < -1.73)$

$p- value = 0.041815$

3 0

3 years ago