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Monica [59]
3 years ago
7

Determine the answer that establishes the identity.

Mathematics
2 answers:
Alisiya [41]3 years ago
8 0
A is the correct answer
Paraphin [41]3 years ago
3 0
The answer is A here is the step

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Help me make it simple C=cos25°cos35°-cos65°cos85°​
nikdorinn [45]

Answer:

It invaluatesa to 1

Step-by-step explanation:

 sin25 ∘cos65 ∘+cos25 ∘sin65 ∘=sin25

∘ sin(90 ∘−65 ∘)+cos25

∘cos(90 ∘−65 ∘ )

=sin25 ∘

sin25 ∘ +cos25 ∘cos25 ∘

=sin 2 25 ∘+cos 2  25 ∘=1

hope this helped you!

4 0
3 years ago
A batch of cookies requires 1 1/2 cups of sugar. How many batches can Tu make with 7 1/2 cups of sugar?
Korvikt [17]
You would subtract 1 1/2 from 7 1/2 so the answer would be 6 hope I helped
7 0
3 years ago
Give me a number between 1 threw 50
Karo-lina-s [1.5K]

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Step-by-step explanation: Your welcome

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3 years ago
Mr. Dylan asks his students throughout the year to record the number of hours per week they spend practicing math at home. At th
hoa [83]

Answer:

The second plot.

Step-by-step explanation:

In the picture attached, the scatter plots are shown.

The second plot has minimum residuals and its residuals are randomly distributed. Residual is computed as follows:

residual = measured - predicted

It easy to see that residuals of the first option are greater than the second option.

Line of the second option is better than those from third and fourth options because residuals of the second option are randomly distributed, while in the third option, residuals are mostly negative; and in the fourth option, they are mostly positive.

4 0
4 years ago
What is 1 raised to the fourth power?
nexus9112 [7]

Answer:

1

Step-by-step explanation:

1 * 1 * 1 * 1 = 1

6 0
3 years ago
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