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o-na [289]
3 years ago
9

If the measure of ZDEF is 65°, what is the measure of DE?

Mathematics
1 answer:
attashe74 [19]3 years ago
3 0

Answer:

I believe it is C because i heard of that one before

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Can someone help me? With all the problems and with work
Lemur [1.5K]

Answer:

5.006

41.056

31.289

51.977

7.884

Step-by-step explanation:

1) sin x = opposite side / hypotenuse

sin 24.3° = 2.06 / hyp

hyp = 2.06 / sin 24.3  = 5.<u>0059</u>006616019108320511866543651

rounding to 3 significant figures

= 5.006

2)cos x = adjacent side / hypotenuse

cos 47 = 28 / x

x = 28 / cos 47 = 41.<u>0558</u>17197909497891901840157945

= 41.056

3) cos x = adjacent side / hypotenuse

cos 56.1 = x / 56.1

x = 56.1 * cos 56.1 = 31.<u>2895</u>00613760617368691451544764

= 31.289

4) tan x = opposite side / adjacent side

tan 68 = x / 21

x = 21 * tan 68 = 51.<u>9768</u>239217422123300402781676

= 51.977

5) sin x = opposite side / hypotenuse

sin 21 = x / 22

x = 22 * sin 21 = 7.<u>8840</u>948899966060166510313670963

= 7.884

4 0
3 years ago
Assume that​ women's heights are normally distributed with a mean given by mu equals 63.2 in​, and a standard deviation given by
JulijaS [17]

a. Your answer is correct.

b. Divide the given value of sigma by √n where n = sample size = 7. Then perform the same calculation you did for part a. The probabiilty is 0.4427.

8 0
4 years ago
Evaluate 2to the power of 3+4⋅2−7 <br> 1 <br> 5<br> 9<br> 36
BlackZzzverrR [31]
22,680 is the answer hope this help
8 0
4 years ago
Convert 3,000 kilograms into pounds.
amm1812

Answer:

6613.868 pounds

Please mark as brainliest

4 0
3 years ago
Read 2 more answers
Someone help me out please.
dem82 [27]

Answer:

The answer should be 64.21 or 64

Step-by-step explanation:

Help this Helped

5 0
3 years ago
Read 2 more answers
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