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enot [183]
3 years ago
15

Can someone help me plz?

Mathematics
1 answer:
Hunter-Best [27]3 years ago
7 0

Answer: ight I gotchu. It’s a lot tho so bare with me. v = pi10^2 (20) = 6283; v=4/3pi r^3 4/3pi 10^3 = 4188 which is approximately 10,472

Step-by-step explanation:

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Find the distance around (perimeter) the figure on the left.<br> The perimeter is ___ in.
Phoenix [80]
4 7/8 = 4 14/16 = 78/16
2 7/16 = 39/16
39/16 + 39/16 + 39/16 + 39/16 = 156/16
78/16 + 78/16 = 156/16
156/16 + 156/16 = 312/16 = 19 8/16 = 19 1/2

Answer: 19 1/2 inches


(hope that helped <3)
3 0
2 years ago
Solve for x I need help on this question
AlexFokin [52]

Answer:

x\approx7.8

Step-by-step explanation:

In relation to the given angle, we are given the triangle's opposite side and hypotenuse. Therefore, we use the sine function to set up a proportion and solve for the opposite side:

sin(\theta)=\frac{opposite}{hypotenuse}

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20sin(23^\circ)=x

x=20sin(23^\circ)

x\approx7.8

Therefore, the length of the opposite side is about 7.8 units

3 0
2 years ago
A student took a 20 question test. 16 of the questions were correct. What percent of the questions did the student get correct?
elena-14-01-66 [18.8K]

Answer:

80%

Step-by-step explanation:

16/20 = 0.80

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5 0
2 years ago
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A year ago, Leila wanted to buy a necklace that cost $25.00. This year the same necklace cost $30.00. What was the percent incre
Delicious77 [7]

Answer:

20 %

Step-by-step explanation:

% Increase = Increase/Original value × 100 %

Data:

 Original = $25

This year = $30

Calculations:

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                  =                   $5

% Increase = 5/25 × 100 %

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The percent increase of the price of the necklace was 20 %.

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3 years ago
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