All categories

3 years ago

Which number line shows the solution set for StartAbsoluteValue m EndAbsoluteValue = 4?

Mathematics

2 answers:

Tomtit [17]3 years ago

5 0

Answer:

A number line going from negative 4 to positive 4. Points are at negative 4 and positive 4.

Elenna [48]3 years ago

5 0

The answer is A I think.

You might be interested in

What is the measure of angle x?

zhuklara [117]

Degree measuresRemember -- the sum of the degree measures of angles in any triangle equals 180 degrees. Below is a picture of triangle ABC, where angle A = 60 degrees, angle B = 50 degrees and angle C = 70 degrees.

8 0

4 years ago

Statistics professors believe the average number of headaches per semester for all students is more than 18. From a random sampl

kompoz [17]

Complete Question

Statistics professors believe the average number of headaches per semester for all students is more than 18. From a random sample of 15 students, the professors find the mean number of headaches is 19 and the standard deviation is 1.7. Assume the population distribution of number of headaches is normal.the correct conclusion at $\alpha =0.001$ is?

Answer:

There is no sufficient evidence to support the professor believe

Step-by-step explanation:

From the question we are told that

The population mean is $\mu = 18$

The sample size is $n = 15$

The sample mean is $\= x = 19$

The standard deviation is $\sigma = 1.7$

The level of significance is $\alpha = 0.001$

The null hypothesis is $H_o: \mu = 18$

The alternative hypothesis is $H_a : \mu > 18$

The critical value of the level of significance from the normal distribution table is

$Z_{\alpha } = 3.290527$

The test hypothesis is mathematically represented as

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

substituting values

$t = \frac{ 19 - 18}{ \frac{1.7}{ \sqrt{15} } }$

$t = 2.28$

Looking at the value of t and $Z_{\alpha }$ we can see that $t < Z_{\alpha }$ so we fail to reject the null hypothesis.

This mean that there is no sufficient evidence to support the professor believe

3 0

4 years ago

What is compatible to 428

kakasveta [241]

Any number but 0 is compatible because you can add any number to 428.

7 0

4 years ago

What is the area of the triangle?

KATRIN_1 [288]

The formula for area of triangle, A= HBB/2.

4 0

4 years ago

PLEASE HELP ITS DUE NOW (fifth grade math)

Viefleur [7K]

Answer:

Below.

Step-by-step explanation:

He made 64 pots so?

2.77x64=177.28now since he made 3.19 selling all of them we have to multiply 64x3.19=204.16, now subtract this from how much it cost for him to make it.

He made 26.88$ in profit.

4 0

2 years ago