PLEASE HELP, TEACHERS GIVE US HOMEWORK AND DON'T EVEN TEACH US PLZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ

The radius of a circle is 19 kilometers. What is the circle's area?

Firdavs [7]

<h2> <em>Answer</em></h2>

<em>361</em><em>π</em><em>km²</em>

<h2> <em>Explanation</em></h2>

• the formula to find the area of a circle is A=πr²

<h3> => <em>A=π(19km)²</em></h3><h3><em>A=π(19km)² => A=361πkm</em>²</h3><h2><em>I</em><em> hope</em><em> it</em><em> helps</em><em>!</em><em>!</em></h2>

4 0

3 years ago

Write a decimal where the value of a digit is 1/10 as much as a digit in another place

Igoryamba

Some examples are:
1.22
5.51
6.64
-4.11
Basically all you need to do is have 2 of the same digit next to each other.

4 0

3 years ago

What’s the perimeter

Dafna11 [192]

10+10+10+10= 40
40+38+40+35+35= 188 total perimeter

5 0

3 years ago

Given the vectors w = <-5, 3> and z = <1, 4>, find the results of the vector subtractions. -w − z =

kvasek [131]

Answer:

< 4, - 7 >

Step-by-step explanation:

- w - z

= - < - 5, 3 > - < 1, 4 > ← multiply each component in w by - 1

= < 5, - 3 > - < 1, 4 > ← subtract corresponding components

= < 5 - 1, - 3 - 4 >

= < 4, - 7 >

4 0

3 years ago

Engineers want to design seats in commercial aircraft so that they are wide enough to fit 95%of all males. (Accommodating 100%

Anarel [89]

Answer:

Upper P95 = 16.21in

Step-by-step explanation:

When the distribution is normal, we use the z-score formula.

In a set with mean $\mu$ and standard deviation $\sigma$ , the zscore of a measure X is given by:

$Z = \frac{X - \mu}{\sigma}$

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this question, we have that:

$\mu = 14.4, \sigma = 1.1$