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melamori03 [73]
3 years ago
14

I AM GONNA POST MORE QUESTIONS!!!!!! I AM SO STRESSED I HATE TESTS

Mathematics
2 answers:
Troyanec [42]3 years ago
7 0

Answer:

the second statement is true

Step-by-step explanation:

Reil [10]3 years ago
7 0

Answer:

The second statement is true I think

Step-by-step explanation:

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HELPPP plssssz need answer fast like minato be
Anni [7]

Answer:

x=16

Step-by-step explanation:

First, minus 80 from 180 because the sum of all the angles in a triangle is 180. Then use linear equations. 100=(4x-4)+(0.5x+32)

After that, you will get 100=4.5x+28

x=16

7 0
3 years ago
I need help answering this question thank you
RideAnS [48]
It’s c hope it helps
4 0
3 years ago
Which of the following circles lie completely within the fourth quadrant?
Sladkaya [172]

Answer:

C. (X-9)^9 + (y+9)^2= 16

D. (X-9)^2 + (y+5)^2= 9

Step-by-step explanation:

The formula for a circle is

(X-h)^2 + (y-k)^2= r^2

where (h,k) is the center of the circle and r is the radius

The 4th quadrant is where x is positive and y is negative

Add r to the y coordinate of the center and if it is still negative, the circle is still completely in the 4th quadrant

A. (X-12)^2 + (y+0)^2= 72

The center is at 12,0 and the radius is sqrt(72) = 6sqrt(2)

This will be positive so it goes into the 1st quadrant

B. (X-2)^2 + (y+7)^2= 64

The center is at 2,-7  and the radius is 8

-7+8=1 so it goes into the 1st quadrant

C. (X-9)^9 + (y+9)^2= 16

The center is at 9,-9  and the radius is 4

-9+4 = -5  so it is completely in the 4th quadrant

D. (X-9)^2 + (y+5)^2= 9

The center is at 9,-5 and the radius is 3

-5+3 = -2 so it is completely in the 4th quadrant

4 0
3 years ago
Read 2 more answers
The prefix octa-means what?
yuradex [85]
The prefix means 8.How to remember this is a octagon which has 8 sides.Therefore Octa means eight.I hope this helped.
3 0
3 years ago
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Can anyone help<br> Me with this math question
nexus9112 [7]

Answer:

B

Step-by-step explanation:

no need to explain

hope it helps

6 0
3 years ago
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