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Brilliant_brown [7]

4 years ago

5

Julia has 4 gallons 2 quarts of water.Ally needs the same amount of water but only has 12 quarts.How much more water does Ally n

eed

1 answer:

denis-greek [22]4 years ago

7 0

Well there are 4 quarts to a gallon and 4 / 12 = 3 so she has 3 gallons so she needs 1 gallon and 2 quarts
so the answer is 1Gallon and 2Quarts

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A rectangular field has an area of 162 m2.

Fed [463]

Answer:Length: 27m

Step-by-step explanation:

the formula of area of rectangle is : width*length
so we just replace the values in the formula
162=6*Length
Length=162/6
Length=27m

3 0

3 years ago

Read 2 more answers

A hardware store receives a shipment of bolts that are supposed to be 12 cm long. The mean is indeed 12 cm, and the standard dev

Yuliya22 [10]

Answer: 0.9104

Step-by-step explanation:

Given : A hardware store receives a shipment of bolts that are supposed to be 12 cm long.

Mean : $\mu=12\text { cm}$

Standard deviation : $\sigma= 0.2\text{ cm}$

Sample size : n=10

Since, they will declare the shipment defective and return it to the manufacturer if the average length of the 100 bolts is less than 11.97 cm or greater than 12.04 cm.

So for the shipment to be satisfactory, the length of the bolts must be between 11.97 cm and 12.04 cm.

We assume that the length of the bolts are normally distributed.

Let X be the random variable that represents the length of randomly picked bolt .

For Z score : $z=\dfrac{x-\mu}{\dfrac{\sigma}{\sqrt{n}}}$

For x = 11.97

$z=\dfrac{11.97-12}{\dfrac{0.2}{\sqrt{100}}}=-1.5$

For x = 12.04

$z=\dfrac{12.04-12}{\dfrac{0.2}{\sqrt{100}}}=2$

By using the standard normal distribution table , the probability that the shipment is found satisfactory will be :-

$P(511.97$

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3 0

3 years ago

Help plz need answer asap

AlladinOne [14]

Answer:

The image that is correct is the one with yellow starting at positive 4 and green at negative 4. The solution is anything less than positive 4.

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3 years ago

Which is true of a population in a statistical survey?

Verizon [17]

Answer:

The population of a statistical survey is chose at random, so it's not believed to be biased.

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3 years ago

-2 (3a – 2) = 1/3(7 – 3a)

ahrayia [7]

Answer:

i have no idea. But i will answer because i'm still learning.

Step-by-step explanation:

-2 (3a – 2) = 1/3(7 – 3a)

is whats the question

ok its i'm guessing -2 (3a – 2) = 1/3(7 – 3a)

-2.15384615385

Hope this helps ;)

7 0

3 years ago