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Alecsey [184]
3 years ago
6

Can anybody help me with this please

Mathematics
1 answer:
jeka943 years ago
5 0
What math subject is this??
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Help, please!! What is mA?
Inga [223]

Answer:

38°

Step-by-step explanation:

The measure of required angle can be obtained by using cosine law.

From the given triangle we find that:

a = 5, b = 3, c = 7,

Since,

cos (A) = (b^2 +c^2 - a^2) /2bc

Therefore,

cos (A) = (3^2 + 7^2 - 5^2) /(2*3*7)

cos (A) = (9 + 49 - 25) /(42)

cos (A) = (33) /(42)

cos (A) = 0.785714286

A = arccos(0.785714286)

A = 38.213210675°

A = 38°

4 0
3 years ago
If you eat one quarter of a pizza and your dog eats one eighth of it, what percent is left over?
slamgirl [31]
Take 3 quarters minus one eighth and you’ll get ur answer
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3 years ago
Simplify (x^6)(x^2)?
MArishka [77]

just sum the 2 power

6 + 2 = 8

x^8

3 0
3 years ago
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Heeelp<br> the first choices are linear or non linear<br> the second is increasing or decreasing
slega [8]
It’s non linear and it’s decreasing
5 0
3 years ago
Alfonso bought 1/2 pound of raisins, 2/5 pound of walnuts, and 1/3 pound of almonds. Write a comparison statement comparing the
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2/5 lbs walnuts > 1/3 lbs almonds
Hope this helped ;)
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3 years ago
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