4 years ago

3 times the difference between 4 twenty-fives and 3 twenty-fives

Mathematics

1 answer:

Wittaler [7]4 years ago

5 0

The answer to that is 75

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18. cos t(sec t - cos t)

Margarita [4]

$\bf sin^2(\theta)+cos^2(\theta)=1\implies sin^2(\theta)=1-cos^2(\theta)\\\\
sec(\theta)=\cfrac{1}{cos(\theta)}
\\\\
-----------------------------\\\\
cos(t)[sec(t)-cos(t)]\implies cos(t)sec(t)-cos(t)cos(t)
\\\\\\
cos(t)\cdot \cfrac{1}{cos(t)}-cos^2(t)\implies 1-cos^2(t)\implies \boxed{sin^2(t)}$

8 0

4 years ago

Can someone please help me??

valkas [14]

The answer is 78 feet of fencing. This is because you need to find the perimeter of the yard. To find the perimeter of the yard, you add the sides together, so 21+21+18+18 = 78.

5 0

3 years ago

Read 2 more answers

If angles G and H are supplementary angles, and angle G is 60°, What measurement, in degrees, is angle H?

enyata [817]

Answer:

120 degrees = H

Step-by-step explanation:

Two angles whose sum is equal to 180 degrees are called supplementary angles. do 180-60 to get 120

hope it helps! :)

8 0

3 years ago