Ask question

Ask question

All categories

4 years ago

13

Can someone help me with this please

1 answer:

Rudiy274 years ago

4 0

Answer:

This triangle has two sides that are equal in length

Step-by-step explanation:

In an isosceles triangle, there are two base angles and one other angle. The two base angles are equal to each other. So say you have an isosceles triangle, where only two sides of that triangle are equal to each other. And then you have 36 degrees as one of your base angles.

You might be interested in

Multiply using a special product formula (6x-8) (6x+8)

ANEK [815]

The correct answer is B.

6x*6x=36x

-8*+8=-64

Thus, our equation is 36x-64

Hope this helps!

4 0

3 years ago

In a clinical test with 2161 subjects, 1214 showed improvement from the treatment. Find the margin of error for the 95% confiden

Vlad [161]

Answer:

The margin of error for the 95% confidence interval used to estimate the population proportion is of 0.0209.

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of $\pi$ , and a confidence level of $1-\alpha$ , we have the following confidence interval of proportions.

$\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}$

In which

z is the z-score that has a p-value of $1 - \frac{\alpha}{2}$ .

The margin of error is of:

$M = z\sqrt{\frac{\pi(1-\pi)}{n}}$

In a clinical test with 2161 subjects, 1214 showed improvement from the treatment.

This means that $n = 2161, \pi = \frac{1214}{2161} = 0.5618$

95% confidence level

So $\alpha = 0.05$ , z is the value of Z that has a p-value of $1 - \frac{0.05}{2} = 0.975$ , so $Z = 1.96$ .

Margin of error:

$M = z\sqrt{\frac{\pi(1-\pi)}{n}}$

$M = 1.96\sqrt{\frac{0.5618*0.4382}{2161}}$

$M = 0.0209$

The margin of error for the 95% confidence interval used to estimate the population proportion is of 0.0209.

4 0

3 years ago

2.<br><br>What is 0.679 x 10?

Tems11 [23]

Answer: 6.79

Step-by-step explanation:

Multiplying by 10 allows you to move the decimal to the right by one place value.

7 0

2 years ago

Please help me with my homework

Anna35 [415]

Answer:

x=90 y=58 z=32

Step-by-step explanation:

I don't know how to explain it but yea

8 0

3 years ago

Plezzzzzwzzzzzzzz help

strojnjashka [21]

Answer:

$3 - a$

Step-by-step explanation:

Given that when you add two numbers together the result is 3.

The greater of the number is given as a.

Let "x" represent that lesser number.

Thus:

$a + x = 3$

To make x the subject of the formula. Subtract a from both x.

$a + x - a = 3 - a$

$x = 3 - a$

Therefore, the expression that represents the lesser number, x, is:

$3 - a$

8 0

3 years ago