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3 years ago

Which point is located at (-3,6) A) A B) B C) C D) D

Mathematics

1 answer:

Andrej [43]3 years ago

3 0

Answer is A

Step-by-step explanation:

Go over to the left 3 times then up 6

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Write and solve an equation to determine what the balance bb in the account was 4 years ago. The balance of an investment accoun

Sergio039 [100]

X=bb=balance 4 years ago
Given: balance now (X+4years), balance change (308

CurrentBalance-ChangeInBalance=Balance4YearsAgo

4708-308=4400

X=$4400

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4 years ago

Write the rate for the following: 6-pound bag of apples for $4.00.

Anastasy [175]

Answer:

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$4.00

unit rate: 4 / 6 = 0.67$ per pound of apples

8 0

3 years ago

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The complement of a 45° angle =___

d1i1m1o1n [39]

subtract the measurement of the angle from 90 degrees to find the complement of an angle.

90° - 45° = 45°

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7 0

3 years ago

A/4 + 4 = 6 please helppppp!

tensa zangetsu [6.8K]

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▹ Answer

a = 8

▹ Step-by-Step Explanation

a/4 + 4 = 6

Multiply both sides:

a + 16 = 24

Subtract 16 from both sides:

16 - 16 = a

24 - 16 = 8

a = 8

Hope this helps!

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8 0

4 years ago

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A survey recently reported that the mean national annual expenditure for inpatient and outpatient services of all persons over 6

zlopas [31]

Using the z-distribution, it is found that the p-value for this test is of 0.0375.

At the null hypothesis, it is tested if the expenses are the same as the national average, that is, of $5,423. Hence:

$H_0: \mu = 5423$

At the alternative hypothesis, it is tested if it is higher, hence:

$H_1: \mu > 5423$

We have the standard deviation for the population, thus, the z-distribution is used. The test statistic is given by:

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

The parameters are:

$\overline{x}$ is the sample mean.
$\mu$ is the value tested at the null hypothesis.
$\sigma$ is the standard deviation of the sample.
n is the sample size.

For this problem, the values of the parameters are: $\overline{x} = 5516, \mu = 5423, \sigma = 979, n = 352$

The value of the test statistic is:

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

$z = \frac{5516 - 5423}{\frac{979}{\sqrt{352}}}$

$z = 1.78$

The p-value is the probability of finding a sample mean above $5,516, which is 1 subtracted by the p-value of z = 1.78.

Looking at the z-table, z = 1.78 has a p-value of 0.9625.

1 - 0.9625 = 0.0375

Hence, the p-value for this test is of 0.0375.

A similar problem is given at brainly.com/question/25549474

7 0

3 years ago