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timofeeve [1]
3 years ago
14

What is the measure of angle A?

Mathematics
2 answers:
fredd [130]3 years ago
6 0

Answer:

132°

Step-by-step explanation:

The measure of arc CB is 2 times 48. (An inscribed angle is one-half the measure of its intercepted arc. The intercepted arc is angle CDB).  Arc CB is 96, and angle COB is 96 (An arc is congruent to its central angle, vice versa).

An exterior angle is equal to one-half the difference of its two intercepted arcs. The two intercepted arcs of angle A are major arc CDB and minor arc CB. CDBC (all the way around) has to equal 360, so 360-96=264. One-half of that is 132°, the measure of ∠A.

Ilya [14]3 years ago
3 0

Answer:

96

Step-by-step explanation:

O is double D. And A is equal to O. Hence 2*48=96

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Factor completely x2 + 20x − 36.
vodomira [7]

Answer:

Prime

Step-by-step explanation:

x² + 20x − 36

You must find a pair of numbers that multiply to give -36 and add to give +20.

The likely candidates are 2 and 18, and they must have opposite signs to give a negative product.

+2 × (-18) = -36; +2 + (-18) =   -16

-2 ×   18  = -36;  -2 +     8   = +16

Neither combination gives +20 as the sum.

The expression can't be factored with rational numbers.

The expression is prime.

5 0
3 years ago
Help the sista out cause it boring
Snowcat [4.5K]

Answer:

B

Step-by-step explanation:

8 0
3 years ago
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What is the absolute value of -6
patriot [66]

Answer:

6

Step-by-step explanation:

Absolute value just means you make negatives into positives so it's just 6.

8 0
3 years ago
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Find the difference of g(x) and j(x).
andrew-mc [135]
To find the answer, subtract j(x) from g(x):

g(x) - j(x)

Plug in the expressions that each function is equal to:

(x^2 - 2x + 11) - (-x^3 - 4x^2 + 5)

Distribute the negative, get rid of parentheses:

x^2 - 2x + 11 + x^3 + 4x^2 - 5

Combine like terms:

x^3 + 5x^2 - 2x + 6
6 0
3 years ago
Marcia has a licorice rope that is 28 inches long. She wants to cut it into 3,-inch pieces to share with friends. How many piece
diamong [38]

Answer:

9 pieces

Step-by-step explanation:

28 inches rope cut into 3-inch pieces

  • 28/3 = 9 1/3

There is no matching answer choice, if given numbers are correct then the answer is 9 full pieces

---------

<u>Note:</u>

  • The close answer choice is 8
  • 28/8 = 3 1/2 or 3.5
  • So if cut into 3.5 inch pieces then it is 8 full pieces
  • just in case it was typo 3 instead of 3.5
8 0
3 years ago
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