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GenaCL600 [577]
3 years ago
13

What is 8/9 of 360 degree ?

Mathematics
1 answer:
andriy [413]3 years ago
4 0

Answer:

320 degrees.

Step-by-step explanation:

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Plot the points A(9, 11) and B(–3, –5). Find midpoint M of AB. Then show that AM = MB and AM + MB =AB
Alex_Xolod [135]

Answer:

The midpoint is (3, 3).

Step-by-step explanation:

We are given the two points A(9, 11) and B(-3, -5).

The midpoint is given by:

\displaystyle M=\Big(\frac{x_1+x_2}{2},\frac{y_1+y_2}{2}\Big)

So:

\displaystyle M =  \Big( \frac{9+(-3) }{2}, \frac{ 11+(-5) }{2} \Big) = (3,3)

The midpoint is (3, 3).

We want to show that AM = MB.

We can use the distance formula:

d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2

The distance between A(9, 11) and M(3, 3) will then be:

AM=\sqrt{(9-3)^2+(11-3)^2}=\sqrt{6^2+8^2}=\sqrt{100}=10

And the distance between B(-3, -5) and M(3, 3) will be:

MB = \sqrt{ (3-(-3))^2 + (3-(-5))^2 } = \sqrt{(6)^2+(8)^2} = \sqrt{ 100 } = 10

So, AM = MB = 10.

Since AM = MB = 10, AM + MB = 10 + 10 = 20.

So, we want to prove that AB = 20.

By the distance formula:

AB=\sqrt{(9-(-3))^2+(11-(-5))^2}=\sqrt{12^2+16^2}}=\sqrt{400}=20\stackrel{\checkmark}{=}20

4 0
3 years ago
Research conducted by a daily U.S. newspaper has shown that about one seventh of the people in the world are left handed. Which
vredina [299]
Just become right handed.
7 0
3 years ago
if you are the first one to answer this question, you will be marked brsinlyest (ik I spelled that wrong but yk what I mean) wha
Nina [5.8K]

Answer:

348

Step-by-step explanation:

Multiply 20 x 17 first.  Then add that value to 20 and -17.  The result is the answer.  

I get 348

4 0
3 years ago
HELP please BE QUICK
Troyanec [42]

The area of a circle with radius r is \pi r^2

You radius is 5, so your area is \pi 5^2=25\pi

3 0
3 years ago
Read 2 more answers
I am having trouble getting started with this question.
loris [4]

Answer:

A= 27/8 feet

B= 21/4 feet

Step-by-step explanation:

<em>First, on both we need to convert to common denominators:</em>

<u><em>A.</em></u>

<u>Multiply:</u>

4 1/4 times 2= 4 2/8

<em>now we have to make 4 2/8 an improper fraction:</em>

4 times 8=32, 32+2=34

34/8

<u>Subtract the below ground length from the total length:</u>

34/8-7/8= <em><u>27/8</u></em>

<u>Repeat:</u>

<em><u>B.</u></em>

<u>Multiply:</u>

1 1/2 times 2= 1 2/4

<em>Now we have to make 1 2/4 and 6 3/4 improper fractions:</em>

1 times 4=4+2=6

6/4

6 times 4-24+3=27

27/4

<u>Subtract the below ground length from the total length:</u>

27/4-6/4= <em><u>21/4</u></em>

i hope this helps u pls give a brainliest and a thx ;)

8 0
4 years ago
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