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3 years ago

8

The average weight of a particular box of crackers is 37.0 ounces with a standard deviation of 0.5 ounce. The weights of the box

es are normally distributed.
What percent of the boxes weigh more than 36.0 ounces?
What percent of the boxes weigh less than 36.5 ounces?

1 answer:

Karolina [17]3 years ago

7 0

A____________________

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Who knows all answers to this if you know what this is

fredd [130]

The line on the left with the arrow at the end.
One end is filled in meaning $\leq$
and there is an arrow showing it goes on forever

The line is behind -2 and all numbers in it are $\leq 2$

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3 years ago

The length of a rectangle is 7 meters more than four times its width if the area of the rectangle is 650 square meters, find the

mrs_skeptik [129]

Let the width be x.
Width = x
Length = 4x + 7

The area is 650 m²

x(4x + 7) = 650
4x² + 7x - 650 = 0

Using quadratic formula:
$x = \dfrac{-b \pm \sqrt{b^2 - 4ac} }{2a}$

a = 4, b = 7, c = -650

$x = \dfrac{-7 \pm \sqrt{7^2 - 4(4)(-650} }{2(4)}$

$x = 11.9 \ or\ x = -13.7 \text {(rejected, length cannot be negative)}$

Width = 11.9m
Length = 4(11.9) + 7 = 54.6m

Answer: Length = 54.6m and width = 11.9m

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3 years ago

Seperate the number 53 into 3 parts so that the second number is 3 less than the first number and the third number is twice the

irga5000 [103]

Hello,

Let a the first, b the second and c the third.
a+b+c=53
b=a/3
c=2a
==>a+a/3+2a=53
==>10a/3=53
==>a=15.9
c=2*a=2*15.9=31.8
b=a/3=15.9/3=5.3

Proof: a+b+c=15.9+5.3+31.8=53

The second number is 5.3

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3 years ago

Two friends are playing with water balloons. They each start at the bucket of balloons and walk in opposite directions before to

oksian1 [2.3K]

Answer:

B

Step-by-step explanation:

because is joy walked 14 steps and her friend walks 5 steps the answer is 19 steps 14+5=19

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1 year ago

Mabel counts 336 rocks. Nellie counts 156 fewer rocks than Mabel. Pat counts 418 more rocks than Mabel . How many rocks do Nelli

MatroZZZ [7]

1) find how many rocks Nellie counted by subtracting 156 from 336
336 - 156 = 180 rocks <- Nellie
2) find how many rocks Pat counted by adding 418 to 336
336 + 418 = 754 rocks <- Pat
3) find how many rocks Nellie and Pat counted by adding 180 and 754 together
180 + 754 = 934 rocks <- Nellie and Pat
4) your answer is 934 rocks, which is B

Hope this helped!

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4 years ago