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3 years ago

The circle below has center D. Suppose that m BC = 66º. Find the following.

Mathematics

1 answer:

algol [13]3 years ago

7 0

Answer:

Not enough information.

Step-by-step explanation:

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(16+5) + blank = 16 + (5+10)

Murrr4er [49]

Answer:

Im not sure, but I think its like this...

Step-by-step explanation:

(16+5) + 10 = 16 + (5+10)

I hope this is correct!!

3 0

3 years ago

What property is 4x + 8 = 28

Verdich [7]

Answer:

x=5

Step-by-step explanation:

4x + 8 = 28,

it's rather straight forward,

you would subtract 8 from the left side,

doing the same on the right.

now you have

4x = 20

x= 20/4

x=5

hope this helps.

4 0

3 years ago

What algebraic expression must be added to the sum of 3x2 +4x+8 and 2x2−6x+3 to give 9x2−2x−5 as the result?

vesna_86 [32]

Answer:

$4x^2-16$

Step-by-step explanation:

-This is an addition/subtraction problem.

#We subtract the sum of the first two expression from the third expression:

$\#Add \ first \ two\\\\=3x^2 +4x+8 +2x^2-6x+3\\\\=5x^2-2x+11\\\\\# Subtract\ from \ the \ third\\=(9x^2-2x-5)-(5x^2-2x+11)\\\\=9x^2-2x-5-5x^2+2x-11\\\\=4x^2-16$

Hence, the expression $4x^2-16$ must be added to the first two.

7 0

3 years ago

Someone, please help me with this.

Alex

I believe the answer is 1 because the line is negative and has a slope of 1/2 so -1/2 and it crosses at 8

8 0

2 years ago

Read 2 more answers

Find the area. simplify your answer.

PolarNik [594]

Answer:

The area is:

$2 {x}^{2}$

Step-by-step explanation:

Area of this figure is simply the product of the base and the height, as it just happens to be a slanted or inclined rectangle.

Therefore:

$a = 2x (x) = 2 {x}^{2}$

5 0

4 years ago