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KonstantinChe [14]
3 years ago
14

Find the perimeter and area

Mathematics
2 answers:
Alexxandr [17]3 years ago
8 0

Answer:

Step-by-step explanation:

Perimeter = addition of the total sides

Perimeter = 42+49+65 = 156cm

Area = 1/2bh

b = 49cm, h = 42cm

Area = 1/2 × 42×49

Area = 1029square cm

LekaFEV [45]3 years ago
3 0

Answer:

Perimeter = 156

Area = 1029

Step-by-step explanation:

Perimeter = 65 +42 49

P = 156

Area = 49*42/2

A = 1029

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ch4aika [34]

Answer:

Amy would have 2.15 left

Step-by-step explanation:

To find out how much she has left, subtract the cost of the items from 10.

10 - 0.75 - 5.50 - 1.60 = 2.15

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The amount of time it takes Ariana to do a math problem is continuous and uniformly distributed between 38 seconds and 79 second
solniwko [45]

Answer:

29.27% probability that it takes Ariana between 58 and 70 seconds to do a math problem

Step-by-step explanation:

An uniform probability is a case of probability in which each outcome is equally as likely.

For this situation, we have a lower limit of the distribution that we call a and an upper limit that we call b.

The probability that we find a value X between c and d, d being greater than c, is given by the following formula:

P(c \leq X \leq d) = \frac{d-c}{b-a}

Uniformly distributed between 38 seconds and 79 seconds.

This means that a = 38, b = 79

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c = 58, d = 70

P(58 \leq X \leq 70) = \frac{70 - 58}{79 - 38} = 0.2927

29.27% probability that it takes Ariana between 58 and 70 seconds to do a math problem

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What ate all the numbers that round to 240
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