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Mashutka [201]
3 years ago
12

Can you help me with this?

Mathematics
2 answers:
zhenek [66]3 years ago
7 0

Answer:

84

Step-by-step explanation:

It would be 84 because m<1=84

8090 [49]3 years ago
4 0
84 cause it’s equivalent to m angle 1
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The area of a circle is 161 in. What is the radius?​
kirill [66]

Answer:

Approximately 7.16 in

Step-by-step explanation:

Hi there!

Area of a circle equation: A=\pi r^2 where r is the radius

Plug in the given area 161 in.²

161=\pi r^2

Divide both sides by π to isolate r²

\frac{161}{\pi} =\frac{\pi r^2}{\pi} \\\frac{161}{\pi} =r^2

Take the square root of both sides to isolate r

=r^2\\\sqrt{\frac{161}{\pi}} =r\\7.16=r

Therefore, the radius of the circle is approximately 7.16 in.

I hope this helps!

7 0
3 years ago
Polynomials <br><br> Multiply (2x - 3)(7x – 4)
choli [55]

Answer:

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14x²-8x+33

7 0
3 years ago
Read 2 more answers
When F(x) = 9x^2 + 6, <br> evaluate f(-4)
torisob [31]

Answer:

150

Step-by-step explanation:

Steps below in pic

8 0
3 years ago
What is the length of the altitude of an equilateral triangle with side a?
nikitadnepr [17]

Answer:

  (a√3)/2

Step-by-step explanation:

You can find the height (h) of a equilateral triangle any of several ways. A simple one is to use the Pythagorean theorem.

In the diagram below, h is one leg of the right triangle with a/2 as the other leg and a as the hypotenuse. The Pythagorean theorem gives the relationship as ...

  h² + (a/2)² = a²

  h² = a² - a²/4 . . . . . . . subtract (a/2)²

  h² = a²(1 -1/4) = a²(3/4)

  h = √(a²(3/4)) = (a/2)√3

The height is (√3)/2 times the side length.

6 0
3 years ago
If 8x -2=-9+7x,what is the value of 4x-4?
Dimas [21]

Well if my math is correct, x= -7, meaning 4x-4= (4*-7)-4. That equals -32.

Hope this helps.

7 0
3 years ago
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