2 years ago

A rectangle is 19 feet long and 3 feet wide. Find its area,

Mathematics

1 answer:

Wittaler [7]2 years ago

5 0

Answer:

19 times 3 equal 57

Step-by-step explanation:

57 square feet

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The weights of adobe bricks used for construction are normally distributed with a mean of 3 pounds and a standard deviation of 0

dedylja [7]

Answer: a) 0.8413, b) 0.9987.

Step-by-step explanation:

Since we have given that

Mean = 3 pounds

Standard deviation = 0.25 pounds

n = 28 bricks

So, (a) What is the probability that all the bricks in the sample exceed 2.75 pounds?

$P(X>2.75)\\\\=P(z>\dfrac{2.75-3}{0.25}\\\\=P(z>\dfrac{-0.25}{0.25})\\\\=P(z>-1)\\\\=0.8413$

b) What is the probability that the heaviest brick in the sample exceeds 3.75 pounds?

$P(X>3.75)\\\\=P(z>\dfrac{3.75-3}{0.25})\\\\=P(z>\dfrac{0.75}{0.25})\\\\=P(z>3)\\\\=0.9987$

Hence, a) 0.8413, b) 0.9987.

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3 years ago

What’s the first step in multiplying a monomial by any polynomial

suter [353]

Answer:

distribute the monomial into the polynomial and be careful of sign errors

Step-by-step explanation:

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3 years ago

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How much do I need to subtract from 67/10 to make 6

Harrizon [31]

Answer:

0.7

Step-by-step explanation:

67/10 is the same as 6.7 when you subtract the 0.7 you will remain with 6

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2 years ago

500(x - 3) = 5000<br><br><br><br> x = _____

olya-2409 [2.1K]

Answer:

Step-by-step explanation:

500(x - 3) =5000

x - 3 = 5000/500

x - 3 = 10

x = 10 + 3

x = 13

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3 years ago

Write all names that apply to the number 36/9

rjkz [21]

Whole number
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3 years ago