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schepotkina [342]
3 years ago
8

Seven students took a quiz. Four of these students received a score above 85 percent. Students who received at least an 85 perce

nt got a sticker. What percent of the students (rounded to the nearest full percentage number) received a sticker?
Mathematics
1 answer:
AfilCa [17]3 years ago
5 0
Four of the 7 students got a sticker, so you need to turn that into a percent. To do that, divide 7 by 4, which gives you .57. That means that 57% of students got a sticker.
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Simplify the expression. -2 4 A. -8 B. 16 C. -16 D. 8
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The answer is -8 because -2 * 4
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In 79 CE, a volcano erupted near Pompeii. Within a day, the city was buried under nine feet of ash. How many inches of ash burie
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You just do 12 * 9 and get 108 inches
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2 years ago
The measure of angle ABD is (0.15x+65) and the measure of angle CBD is(0.1x+28) . Find the value of x.
Andrej [43]

Answer:

x = 348

Step-by-step explanation:

The measure of angle ABD is (0.15x+65) and the measure of angle CBD is(0.1x+28) . Find the value of x.

0.15x + 65 + 0.1x + 28 = 180

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0.25x = 180 - 93

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2 years ago
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3 0
3 years ago
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Alex is creating an outdoor structure out of two 12 foot boards. The boards must have an angle of elevation
Whitepunk [10]

Answer:

5.0 ft - 5.6 ft

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Using the angle of elevation, 40° and the width of 8 ft then you can apply the formula for tangent of a triangle where ;

Tan α = opposite side length/adjacent length

Tan 40°= h/8

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Applying the cosine of an angle formula to find the length of the sliding side

Cosine β = adjacent length /hypotenuse

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h≤ 5.6 ft

6 0
3 years ago
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