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sergey [27]
3 years ago
12

Look at the triangle:

Mathematics
1 answer:
Tamiku [17]3 years ago
7 0
<h3>Answer:   12/13</h3>

The sine of an angle is equal to the opposite over hypotenuse

sin(angle) = opposite/hypotenuse

sin(x) = 12/13

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Determine which postulate or theorem can be used to prove that<br> ΔSEA= ΔΡΕΝ.
Vikentia [17]

Answer:

ASA

Step-by-step explanation:

ASA(Angle-Side-Angle) postulates states that if two angles and one included side of one triangle are congruent to the two angles and one included sides of the other triangle, then these triangles are congruent.

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3 years ago
Please give me the answer to number 5 and explain how to do it.
Goryan [66]
The equation is simply 8s where s is the length of a side. There are 8 sides. You are just adding the length of all 8 sides together to get the perimeter.
4 0
3 years ago
. Express 0.48 as a fraction in its simplest form. Show all steps.
LenKa [72]

Answer:

12/25

Step-by-step explanation:

0.48

=48/100

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8 0
3 years ago
Read 2 more answers
A poll conducted in 2013 found that 55% of U.S. adult Twitter users get at least some news on Twitter (Pew, 2013). The standard
alina1380 [7]

Answer:

The 99% confidence interval for the fraction of U.S. adult Twitter users who get some news on Twitter is between 49.34% and 60.66%, which means that we are 99% sure that the true percentage of US adult Twitter users who get some news is in this interval.

Step-by-step explanation:

Confidence interval:

A confidence interval has the following format:

M \pm zs

In which M is the sample mean, z is related to the confidence level and s is the standard error.

55% of U.S. adult Twitter users get at least some news on Twitter (Pew, 2013). The standard error for this estimate was 2.2%.

This means that M = 55, s = 2.2

99% confidence level

So \alpha = 0.01, z is the value of Z that has a pvalue of 1 - \frac{0.01}{2} = 0.995, so Z = 2.575.

Lower bound of the interval:

M - zs = 55 - 2.575*2.2 = 49.34

Upper bound:

M + zs = 55 + 2.575*2.2 = 60.66

The 99% confidence interval for the fraction of U.S. adult Twitter users who get some news on Twitter is between 49.34% and 60.66%, which means that we are 99% sure that the true percentage of US adult Twitter users who get some news is in this interval.

6 0
3 years ago
Need answer with full work
tatyana61 [14]

Answer:

Step-by-step explanation:

x^2 - 17x - 60

(x - 20)(x + 3)

x^2 + 3x - 20x - 60

x^2 - 17x - 60

(x + 20) is not one of the factors

using F.O.I.L., it would have been

x^2 + 17x - 60

4 0
3 years ago
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