3 years ago

Help me out plzz and I'll do the same

Mathematics

1 answer:

elixir [45]3 years ago

6 0

I think it's -2 to -1 is the right answer maybe

but i hope it helps u !!

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What is the m Show work

Ghella [55]

Answer:

measure of angle A is 80 degree.

Step-by-step explanation:

isosceles triangle will have same base angles

first base angle is 50, and the second will also be 50

3 angles of a triangle will add up to be 180 degree.

A is the vertex angle.

So 50 + 50 + A = 180

100 + A = 180

A = 80.

8 0

3 years ago

Factor the expression. r^2 – 49 a. (r – 7)(r 9) b. (r 7)(r 7) c. (r – 7)(r 7) d. (r – 7)(r – 7)

gayaneshka [121]

$r^2-49=r^2-7^2\\\\/use\ a^2-b^2=(a-b)(a+b)/\\\\=\boxed{(r-7)(r+7)}$

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3 years ago

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lord [1]

Answer:

what are the options? I'll say it in the comments

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3 years ago

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in circle O, AD and BE are diameters. the measure of arc AB is 55 and the measure of arc CD is 25 what is the measure of EAC

kicyunya [14]

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3 years ago

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Each wheel on Nina's car has has a diameter of 18 inches.Which expression could be used to find the circumference of the wheel?

serg [7]

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56.548667764616276

Step-by-step explanation:

Multiply the diameter by pi.

C= 18 x 3.14159265

Hope this helps!

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3 years ago