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Damm [24]
3 years ago
6

What is the area of this circle?

Mathematics
1 answer:
Juli2301 [7.4K]3 years ago
5 0

Answer:

The area will be<u> </u><u>113.1</u>

Step-by-step explanation:

hope it helps u

have a great day

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What is the solution to the equation 9(w – 4) – 7w = 5(3w – 2)?
cluponka [151]

Answer:

-2

Step-by-step explanation:

9w-36-7w=15w-10

2w-36=15w-10

-13w=26

w=26/(-13)

w=-2

3 0
3 years ago
I will attach a screenshot of the math problem.
Alekssandra [29.7K]

Complete the table for the function y = 0.1^x

The first step: plug values from the left column into the ‘x’ spot in the formula <u>y=0.1^x</u>.

* 0.1^-2 : We can eliminate the negative exponent value by using the rule a^-1 = 1/a. Keep this rule in mind for future problems. (0.1^-2 = 1/0.1 * 0.1 = 100).

* 0.1^-1 = 1/0.1 = 10

* 0.1^0 = 1 : (Remember this rule: a^0 = 1)

* 0.1^1 = 0.1

Our list of values: 100, 10, 1, 0.1

Now, we can plug these values into your table:

\left[\begin{array}{ccc}x&y\\2&10\\1&10\\0&1\\1&0.1\end{array}\right]

The points can now be graphed. I will paste a Desmos screenshot; try to see if you can find some of the indicated (x,y) values: [screenshot is attached]

I hope this helped!

7 0
3 years ago
What is the difference of 5 and 2/5? Show your work.
tatuchka [14]

Answer:

This is the answer, let me know if something isn't clear

3 0
3 years ago
Help please! show work
e-lub [12.9K]
Your answers are
A = 35.7°
B = 67.6°
C = 76.7°

cosine law

a^2 = b^2 + c^2 -2bc \cos A \\&#10;-2bc \cos A = a^2 - b^2 - c^2 \\ \\&#10;\cos A = \dfrac{a^2 - b^2 - c^2}{-2bc} \\ \\&#10;A = \cos^{-1}\left[ \dfrac{a^2 - b^2 - c^2}{-2bc} \right] \\ \\&#10;A = \cos^{-1}\left[ \dfrac{12^2 - 19^2 - 20^2}{-2(19)(20)} \right]  \\ \\&#10;A = 35.723697

A = 35.723697
sine law for the rest of the angles

\displaystyle&#10;\frac{\sin B}{b} = \frac{\sin A}{a} \\ \\&#10;\sin B = \frac{b \sin A}{a} \\ \\&#10;B = \sin^{-1} \left[ \frac{b \sin A}{a}  \right] \\ \\&#10;B = \sin^{-1} \left[ \frac{19 \sin 35.723697 }{12}  \right]  \\ \\&#10;B \approx 67.58886795

B = 67.58886795
All angles in triangle sum to 180 so find C with that

A + B + C = 180
C = 180 - A - B
C = 180 - 35.723697 - 67.58886795
C = 76.7°

7 0
3 years ago
The train ride at the zoo covers a distance of 2 1/2 miles in 1/3 of an hour. How many miles per hour does the train go? How far
sp2606 [1]
7.5 mph in 3 hours the train can travel 22.5 miles. Take 2.5 and times it by 3 to get the mph, then multiply that answer by 3 again to get the total miles in 3 hours
3 0
3 years ago
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