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stiv31 [10]
2 years ago
14

Please help me give me right answer pleaseeeeeeeeeeee

Mathematics
1 answer:
Harlamova29_29 [7]2 years ago
3 0

Answer:

7 x 2, 14, the area, then use pie, 3.14 to get the circle

Step-by-step explanation:

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What is the m ZACB?<br> 10°<br> 50°<br> 90°<br> 180°
kifflom [539]

Answer:

50 deg

Step-by-step explanation:

In an right triangle, the acute angles are complementary. That means their measures have a sum of 90 deg.

m<C + m<B = 90

7x - 20 + 4x = 90

11x = 110

x = 10

m<ACB= 7x - 20

m<ACB = 7(10) - 20

m<ACB = 70 - 20

m<ACB = 50

Answer: m<ACB = 50 deg

7 0
3 years ago
Which of the following statements are true?
olchik [2.2K]

Answer:

A. C.

Step-by-step explanation:

4 0
3 years ago
What is the approximate circumference of the circle? Use π ≈ 3.14. Circle A with radius 18 feet. 21.1 feet 36 feet 56.5 feet 113
Ilia_Sergeevich [38]
C= 2*pi*r
pi= approx. 3.14
So
The first one with the radius being 18 would be approximately 113.04
BECAUSE 18 * 2 = 36
36*3.14= 113.04
DO THE SAME PROCESS with the other values you were given...

Also if they give you the diameter the formula is C= d*pi
that formula is the same as c=2*pi*r  ..... Use either... just remember when they give you the radius.... the radius is half of the diameter... so take the radius times 2 and times that by pi 
When it asked for an approximation use 3.14 for pi.
I'm sure you can do the rest by yourself. I hope this helped!
6 0
3 years ago
Read 2 more answers
What is the area of the composite figure shown
Greeley [361]
So, We Know That The Figure Shown Is A Square. So, We Need To Find The Area:
70*70 = 4900.

So, We Have:
490 - (Area Of The Triangle) = A

So, Lets Find The Area Of The Triangle. 

(35*70)/2
Well, 35*70 = 2450.
So:
2450/2 = 1225.

Now, Do:

4900 - 1225 = A

4900 - 1225 = 3675

So: 
3675cm² = A
8 0
3 years ago
If 14 out of 20 is correct what percent is that?
Kobotan [32]
If 14 out of 20 is correct, then that is : 14/20 = 0.70 = 70%
4 0
3 years ago
Read 2 more answers
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