Answer:
Answer of this question is in the picture .
Combine like terms
e)= 3t^3
f) = 2m^2 + 5m
g) = 3k^3 + 4
h) = 8y^2 - 2y + 6
hope it helps
Answer:
10%
Step-by-step explanation:
To find the percentage, ask yourself, how much is 2000 of the original value which is 20350. This can be solved by the following equation.
2000/20350=
The answer is approximately 0.09828. Then, convert this to a percent. 9.828%. Then, round it to the nearest percent. The answer is 10%
The area of the base of the first sandbox is 64 square feet.
Explanation:
Earlier it said the first sandbox has a SQUARE base and its side length is 8 feet. Its asking for the area of the square base, so follow this formula:
Side length^2
In this case is:
8^2 = 64
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Have a nice day (*^ω^*)
<h2>
Hello!</h2>
The asnwer is: Cos50° ≈ 0.643
<h2>
Why?</h2>
A unit circle is a cirgle with a radius equal of 1, knowing that, also know the following:
The angle is drawn passing trough the unit circle at (0.643,0.766) it means that:

So,
Cos50° ≈ 0.643
We can prove that by following the next steps:
- If it's a unit circle,here is a right triangle with hypotenuse of 1,




- We can determine the cosine of the angle by the following formula:

Therefore,
Cos(α)=49.98°≈50°
Also, if there is a right triangle, according to the Pythagorean Thorem:

Hence,
Cos50° ≈ 0.643
Have a nice day!