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In-s [12.5K]
3 years ago
7

Angle DEF measures 75 . What is the measure of angle CfD?

Mathematics
1 answer:
vladimir1956 [14]3 years ago
3 0
Any diagram provided!??
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Express x^2+4x-7 in the form (x+a)^2-b where a and b are integers
lukranit [14]

Answer:

(x + 2)^2 - 11.

Step-by-step explanation:

f(x) = x^2 + 4x - 7

Now x^2 + 4x = (x + 2)^2 - 4 so we have:

f(x) = (x + 2)^2 - 4 - 7

f(x) = (x + 2)^2 - 11.

4 0
3 years ago
Jaewon is 5 feet 3 inches tall. How many inches tall is Jaewon? O A. 53 inches B60 inches OC. 63 inches oc O D. 96 inches​
nadezda [96]

Answer:

First, we determine how many inches in the board. (5 x 12) + 3. This gives you 63 total inches. You want three equal pieces so you divide 63 by 3 and the answer is 21 inches for each individual piece.

Step-by-step explanation:

First, we determine how many inches in the board. (5 x 12) + 3. This gives you 63 total inches. You want three equal pieces so you divide 63 by 3 and the answer is 21 inches for each individual piece.

8 0
2 years ago
Tan A + tanB + tanC-tanA tanB tanC<br>1-tanB tanC-tanC tanA - tanA<br> tanB​
sashaice [31]

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3 years ago
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Alex17521 [72]

Answer:

A

Step-by-step explanation:

I think I am not sure I just started to do this in school...

6 0
2 years ago
If 100 percent is 480 what is 10 percent?
LenaWriter [7]

Answer:

48

Step-by-step explanation:

10% of 480 = 10/100 × 480

= 48

7 0
3 years ago
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