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just olya [345]
3 years ago
8

Statistical Question

Mathematics
1 answer:
nadezda [96]3 years ago
5 0

Answer:

c

Step-by-step explanation:

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In ΔQRS, the measure of ∠S=90°, QR = 8.2 feet, and SQ = 4.2 feet. Find the measure of ∠R to the nearest degree.
qwelly [4]

Answer:

R=30.81≈31  

Step-by-step explanation:

6 0
3 years ago
Write for the system 3x - 5y = 9,3x+y=3, which variable should we eliminate first?​
murzikaleks [220]

Answer:

x

Step-by-step explanation:

7 0
2 years ago
Solve it:3/10×7/10=21/100
egoroff_w [7]
I'm gonna guess you're asking if the equation is true or false.
Well, the equation is True. 3/10 * 7/10 is 21/100, or in decimal form 0.21.
Converting 21/100 to a decimal is 0.21.
0.21 = 0.21.
21/100 = 21/100.
7 0
3 years ago
Wicth table of values can be created using the equation y=2x+1
sdas [7]

Answer:

is this "which"?

Step-by-step explanation:

my answer is this: (1,3) (2,5) (3,7)

3 0
3 years ago
A garden has the shape of a circular sector such that its straight sides measure 50 feet in length and the central angle is 132°
SOVA2 [1]

Answer:

  215 ft

Step-by-step explanation:

The length of the surrounding fence is equal to the perimeter of the garden. That is the sum of the lengths of the straight sides and the curved arc. The arc length is given by the formula ...

  s = r·θ . . . . . where θ is the central angle in radians

__

<h3>arc length</h3>

There are π radians in 180°, so the arc will have a measure in radians of ...

  θ = 132° × (π/180°) = 11/15π ≈ 2.3038 . . . . radians

Then the length of the curved side of the garden is ...

  s = (50 ft)(2.3038 radian) ≈ 115.2 ft

__

<h3>perimeter</h3>

The fence length is the sum of the arc length and the two radii:

  perimeter = 115.2 ft + 2×50 ft = 215.2 ft

About 215 feet of fencing are needed to enclose the garden.

3 0
2 years ago
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