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2 years ago

30 Points: How does it relate to one of these?

Mathematics

1 answer:

brilliants [131]2 years ago

8 0

Answer: the square of the length of the longest side of a triangle is equal to the sum of the squares of the other two sides, then the triangle is a right triangle.

Step-by-step explanation:

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BRAINLIEST <br> Solve for X. Round to the nearest tenth.

Schach [20]

Answer:

a=180-(45+37)

b=180-(9+24)

c=180-(42+64)

d=180-(70+13)

7 0

3 years ago

Read 2 more answers

If sam ran 2hrs on the treadmill and Sarah ran 4/3 miles on the But how many did John do altogether.

Bad White [126]

Answer:

3 1/3 i think hope this helped :).

Step-by-step explanation:

if Sam ran 2hrs on the treadmill and Sarah ran 4/3 miles on the But how many did John do altogether?

8 0

3 years ago

Help me please! <br> I don’t what is the answer?

vovangra [49]

Answer:

see below

Step-by-step explanation:

In order to use ASA congruence, you need to show congruence of angles on either side of a congruent segment. (Angle - Side - Angle) Considering the left side of the figure, you have given that ∠B is congruent to its counterpart, side BC is congruent to its counterpart. So, you need to show the angle at C is congruent to its counterpart. That is, you must show ...

∠BCA ≅ ∠DCE

6 0

4 years ago

Francis owns a cake shop. She is currently preparing cupcakes (x) and cookies (y) for two birthday

shusha [124]

The cost of cupcakes is $1.25 and cookies costs $0.90.

Two equations that would be used to determine the required values can be derived from this question:

20x + 40y = 61 equation 1

30x + 30y = 64.50 equation 2

In order to determine the value of y, the following steps would be taken: Multiply equation 1 by 3 and equation 2 by 2.

60x + 120y = 183 equation 3

60x + 60y = 129 equation 4

Subtract equation 4 from 3

60y = 54

Divide both sides of the equation by 60

y = $0.90

Substitute for y in equation 1

20x + 40(0.9) = 61

20x + 36 = 61

20x = 61 - 36

20x = 25

x = 25 / 20

x = $1.25

To learn more about simultaneous equations, please check: : brainly.com/question/25739929

8 0

3 years ago

Use the sample data and confidence level given below to complete parts (a) through (d). In a study of cell phone use and brain

anyanavicka [17]

Answer:

a) p-hat = 0.428

b) Error = 0.026

c) 0.402 ≤ p ≤ 0.454

Step-by-step explanation:

We have a survey that was emailed to 2397 subjects and only 1025 were returned.

a) The best point estimate for p is p-hat=x/n:

$\hat{p}=X/n=1025/2397=0.428$

b) The margin of error is the product of the z-score for a 99% interval and the standard deviation of the proportion.

The z-score for a 99% CI is z=2.576.

The standard deviation is:

$\sigma=\sqrt{\frac{\hat{p}(1-\hat{p})}{n}}=\sqrt{\frac{0.428*0.572}{2397}}=0.010$

Then, the margin of error is:

$E=z*\sigma=2.576*0.01=0.02576$

c) the confidence interval can be constructed as:

$\hat{p}-z\sigma\leq p \leq \hat{p}-z\sigma\\\\0.428-0.026\leq p \leq 0.428+0.026\\\\ 0.402\leq p \leq0.454$

5 0

3 years ago