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myrzilka [38]
3 years ago
5

On her first turn, Marlene scored 90 points playing a board game. On her next turn, she

Mathematics
1 answer:
Viefleur [7K]3 years ago
3 0

Answer:

85

Step-by-step explanation:

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20 pointsss :)
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180-93=87..... Exterior angles of a triangle

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2 years ago
What percent increase is 1/3 to 1/6
r-ruslan [8.4K]

Answer:

50% increase

Step-by-step explanation:

half of 6 is 3 thus 50%, and vise versa.

4 0
3 years ago
PLEEASSSSEEEE HHEEEEELLLLPPPPPPPP !!!!!!!!!!!!!!!!!!!!!!!!!!! Circle R is shown. Line segments Q R and S R are radii. The length
Inessa [10]

Answer:

144\pi\ un^2.

Step-by-step explanation:

In the attached diagram, circle R is shown. Line segments QR and SR are radii and QR = SR = 18 units.

The measure of the central angle QRS is \dfrac{8\pi}{9}

1. Find the area of the whole circle:

A_{circle}=\pi r^2=\pi \cdot 18^2=324\pi \ un^2.

2. Note that the whole circle is determined by the full rotation angle with measure 2\pi radians. So,

\begin{array}{cc}\text{Angle}&\text{Area}\\ \\2\pi &324\pi \\ \\\dfrac{8\pi }{9}&A_{sector}\end{array}

So, write a proportion:

\dfrac{2\pi}{\frac{8\pi}{9}}=\dfrac{324\pi}{A_{sector}}

Cross multiply

2\pi \cdot A_{sector}=324\pi \cdot \dfrac{8\pi }{9}\\ \\A_{sector}=162\pi \cdot \dfrac{8}{9}=144\pi\ un^2.

4 0
3 years ago
Read 2 more answers
Given a circle with a diameter of 4, which equation expresses pi as the ratio of the circumference of a circle to its diameter
natulia [17]

is there any answer choices

6 0
3 years ago
IM SO DUMB IM SORRY BUT EHATS THIS ONE PLEASE!! thank you!! ALSO ITS DUE IN 30 MINS
amm1812
24x11 = 264
264 / 8 = 33
a = 33
8 0
3 years ago
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