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2 years ago

The chart shows the number of points Jerry scored on each test this week out of the number of points possible for the test.

Mathematics

1 answer:

krok68 [10]2 years ago

7 0

Jerry did the best at Spanish so the answer is D
If you divide the numerators by the denominators of each class you get his percentage
Math - 45/50 = .9 = 90%
Science- 19/25= .76 = 76%
Music- 8/10 = .8 = 80%
Spanish 19/20 = .95 = 95%

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2 years ago

Ayo helppp ill give u anthing

kicyunya [14]

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16.9 m

Step-by-step explanation:

Start with a half a circle. The central angle of a semicircle is 180 deg.

Now subtract 21 deg on each side.

180 - 21 - 21 = 138

The central angle is 138 deg.

The radius is 7 m.

Now we use the formula for the length of an arc of a circle given the radius of the circle and the central angle of the arc.

$s = \dfrac{n}{360^\circ}2 \pi r$

$s = \dfrac{138^\circ}{360^\circ}2(3.14159)(7~m)$

$s = 16.9~m$

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2 years ago

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3 years ago

Find the percent of decrease from 240 to 120. Round to the nearest tenth of a percent, if necessary.

KiRa [710]

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2 years ago

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3 years ago

Read 2 more answers