MATHEMATICS MIDDLE SCHOOL

What is the first step in proving that the sum of the measures of triangle XYZ is 180 degrees?

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Answer 1
Answer: In geometry, the definition of a triangle is a two-dimensional closed figure with three sides. Aside from this, it is proven that the sum of the angles of a triangle is 180°. This is a triangle's innate property. Therefore, any closed shape with three sides is a triangle and it follows that the sum of the three angles is equal to 180°.

It is logical therefore, that the first step in proving this is by using the definition of a triangle.

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MIDDLE SCHOOL

G is the incenter, or point of concurrency, of the angle bisectors of ΔACE. What is the value of n? 6 7 20 59

Answers

Answer:

7

Step-by-step explanation:


Answer:

7

Step-by-step explanation:

COLLEGE

A bacteria population increases every hour. At 12 P.M.,there are 5 cells. At 1 P.M. there are 10 cells. At 2 P.M. there are 20 cells. At 3 P.M there are 40 cells. If this pattern continues, how many cells will there be at 7 P.M? Explain

Answers

Answer:

640 cells

Step-by-step explanation:

This means every hour it doubles. After 7 hours, it will be multiplied by 128, and 128*5 is 640 cells.

        Time       Amount of Cells12 P.M.         5 cells1 P.M.           10 cells2 P.M.          20 cells3 P.M.          40 cells4 P.M.          80 cells5 P.M.          160 cells6 P.M.          320 cells7 P.M.          640 cellsAt 7 P.M. there were 640 cells
MIDDLE SCHOOL

What is the unit rate of 15.6*f in 13 minutes

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To solve this problem unit rate would be 15.6 divided by 13 so your answer would be 1.2f in 1 minute. I hope it helps!!
MIDDLE SCHOOL

WILL MARK BRAINLEIST!!!!!! Suppose that it takes Calvin 3 hours to wax a car if he works alone and it takes Alvin 5 hours to wax a car if he works alone. How long does it take them to wax a car if they work together? Write an equation and solve for the unknown. Show your work.

Answers

Answer:

4 hours

Step-by-step explanation:

I am not sure, what I did was, if Calvin and Alvin both waxed half the car, their original time would split in half, then I added those values together, which is also the average.

y=mx+b is a pretty safe form to follow

C=3

A=5

if you are doing variables

I tried my best.

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