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Marta_Voda [28]
3 years ago
9

Plsss helpp i will mark as brainly

Mathematics
1 answer:
elena-s [515]3 years ago
6 0

Answer:

it's the last one.

x + X+1+X+2

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Suppose that circles R and S have a central angle measuring 80°. Additionally, the measure of the sector for circle R is
riadik2000 [5.3K]
The correct answer is B) 9 m.

The measure of the sector of circle R is 32π/9 m.  The measure of the central angle is 80°.  This means that the sector is 80/360 = 2/9 of the circle.  The area of a circle is given by A=πr², so the area of the sector is A=2/9πr².  To verify this, 2/9π(4²) = 2/9π(16) = 32π/9.

Using this same formula for circle S, we will work backward to find the radius:

18π = 2/9πr²

Multiply both sides by 9:
18*9π = 2πr²
162π = 2πr²

Divide both sides by 2π:
162π/2π = 2πr²/2π
81 = r²

Take the square root of both sides:
√81 = √r² 
9 = r

6 0
4 years ago
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Select all of the following statements that are true.
nordsb [41]

Answer:

I dont understand where are the statements

7 0
3 years ago
Please help!! <br> Find A
Triss [41]

Answer:

  (5/2)√13 ≈ 9.0139

Step-by-step explanation:

The longer hypotenuse is found using the Pythagorean theorem as ...

  \sqrt{8^2+12^2}=\sqrt{208}=4\sqrt{13}

The right triangles are AA similar, and vertical sides correspond. Their ratio, smaller/larger is 5/8. That means the hypotenuse of the smaller triangle, A, is 5/8 of the hypotenuse of the larger one.

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6 0
4 years ago
Carlos needs 2/3 cups of raisins to make one batch of oatmeal bars. How many cups of raisins does Carlos need to make 4 batches
Hitman42 [59]

Answer:

8/3 cups

Step-by-step explanation:

Since he needs 2/3 cups for each batch, and he wants to make 4 batches, we can add 2/3 4 times, or multiply 2/3 times 4.

2/3+2/3+2/3+2/3=8/3

2/3*4=8/3

He needs 8/3 cups for 4 batches.

This can also be written as a mixed number: 2 2/3 cups

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4 years ago
A line's y-intercept is 8, and its slope is 6. What is its equation in slope-intercept form?
dimulka [17.4K]

Answer:

y = 6x + 8

Step-by-step explanation:

5 0
3 years ago
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