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3 years ago

100 Points, EASY MATH QUESTION.

Mathematics

2 answers:

True [87]3 years ago

7 0

Answer:

1/3

Step-by-step explanation:

1/3 because 8/12 + 1/3 is 1 whole

7nadin3 [17]3 years ago

5 0

Answer:

1/3

Step-by-step explanation:

The whole chore is 1, or 12/12

Subtracting the fraction of work done by A and B

12/12- 8/12 = 4/12

Which simplifies

4/12 = 1/3

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Mrs. Forrester collects antique quilts. She already

Romashka [77]

Answer:

x=7

Step-by-step explanation:

x+15=2x+8

x-x+15=2x-x+8

15=x+8

x=7

4 0

4 years ago

Please answer this question now

Nataly [62]

Answer:

Step-by-step explanation:

To find s we use the cosine rule

That's

s² = SU² + ST² - 2(SU)(ST) cos S

From the question

SU = 5

ST = 13

S = 60°

Substituting the values into the expression we have

s² = 5² + 13² - 2(5)(13) cos 60

s² = 25 + 169 - 130cos 60

s² = 194 - 65

s² = 129

Find the square root of both sides

s= √129

s = 11.357816

We have the final answer as

<h3>s = 11.4 to the nearest tenth</h3>

Hope this helps you

3 0

3 years ago

Find the truth value of (p ^ q) v r. (Make a truth table.)

alexgriva [62]

Answer:

p: (-4)2 > 0

q: An isosceles triangle has two congruent sides.

r: Two angles, whose measure have a sum of 90, are supplements.

Step-by-step explanation:

p: (-4)2 > 0

q: An isosceles triangle has two congruent sides.

r: Two angles, whose measure have a sum of 90, are supplements.

4 0

3 years ago

The proportion of students at a college who have GPA higher than 3.5 is 19%. a. You take repeated random samples of size 25 from

melomori [17]

Answer:

$\mu_{\hat{p}}=0.19$

$\sigma_{\hat{p}}=0.0785$

Step-by-step explanation:

We know that the mean and the standard error of the sampling distribution of the sample proportions will be :-

$\mu_{\hat{p}}=p$

$\sigma_{\hat{p}}=\sqrt{\dfrac{p(1-p)}{n}}$

, where p=population proportion and n= sample size.

Given : The proportion of students at a college who have GPA higher than 3.5 is 19%.

i.e. p= 19%=0.19

The for sample size n= 25

The mean and the standard error of the sampling distribution of the sample proportions will be :-

$\mu_{\hat{p}}=0.19$

$\sigma_{\hat{p}}=\sqrt{\dfrac{0.19(1-0.19)}{25}}\\\\=\sqrt{0.006156}=0.0784601809837\approx0.0785$

Hence , the mean and the standard error of the sampling distribution of the sample proportions :

$\mu_{\hat{p}}=0.19$

$\sigma_{\hat{p}}=0.0785$

8 0

3 years ago

What is the value 2 pi into the palette?

solong [7]

Answer: The answer is 6.28571 . . ..

Step-by-step explanation: We are given ti find the value of twice of pi into the palette.

We are familiar with the irrational number pi. It is defined as the ration of circumference of a circle to the diameter of the circle and its value is 22/7 or 3.14159 . . ..

Therefore, the value of 2 pi can be calculated as follows.

$2\pi=2\times\dfrac{22}{7}=\dfrac{44}{7}=6.28571~.~.~..$

Thus, the value of 2pi is 6.28571 . . ..

8 0

3 years ago

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