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rodikova [14]
3 years ago
12

Jim want to 16 laps in 40 minutes while Jim walked 30 laps and hour and 15 minutes who is the faster Walker

Mathematics
1 answer:
Elena L [17]3 years ago
3 0
Jim the 30 laps one in 15 minutes
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What is the area?<br><br> 14.39 ft. 2<br> 18.42 ft. 2<br> 16.07 ft. 2<br> 13.71 ft. 2
Anvisha [2.4K]

Answer:

c

Step-by-step explanation:

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Answer with detail. Please show work for all questions (worth 100 points plus ill mark brainliest) ^-^ Thanks!
polet [3.4K]

Answer:

see below

Step-by-step explanation:

The volume of a cylinder is given by

V = pi r^2 h

We can find the radius from the diameter

r = d/2 = 34/2 = 17

V = (3.14) (17)^2 * 27

V =24501.42 m^3

The surface of a cone is found by

SA = pi r^2 + pi r  l where l is the slant height

We can find the radius from the diameter

r = 8/2 = 4

SA =(3.14) * 4^2 + 3.14 * 4*7

      =50.24+87.92

        138.16 in^2

The lateral surface area of a pyramid is found by taking the area of the sides

LSA = 4 * the area of a triangle

          we multiply by 4 since there are 4 sides

        = 4 * 1/2 b*h  where b is the base of the triangle and h is the height of the triangle.  (in this case it would be the slant height)

           = 2 * 8 *22

          =352 m^2

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3 years ago
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Sarah hopes to be 5 feet tall by her next birthday. Right now, she is 148 centimeters tall. how many more centimeter does Sarah
OlgaM077 [116]
Sarah needs 4.4 centimeters more to reach 5 feet before her next birthday.
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2 years ago
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Round 0.42 to the nearst tenth
Archy [21]
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3 years ago
A spinner is divided into 4 sections. The spinner is spun 100 times. The probability distribution shows the results.
Vitek1552 [10]

P(1≤x≤3) defined the probability that the result is between 1 and 3, included. You can answer this question in two ways:

1. Sum the probabilities of good events:

From the graph, we have

P(x=1) = 0.32,\quad P(x=2) = 0.24,\quad P(x=3) = 0.28

So,

P(1\leq x \leq 3) = 0.32+0.24+0.28 = 0.84

2. Use complementary probabilities

Asking that the result is 1, 2 or 3 is the same as asking that the result is not 4. The probability that the result is 4 is 0.16, so the probability that the result is not 4 will be

P(x\neq 4) = 1-P(x=4) = 1-0.16=0.84

The result is obviously the same.

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