Please help mee like pretty please

Mathematics

2 answers:

Schach [20]3 years ago

6 0

answer

The 3 lb bag of cat food would last for 4 weeks.

Step-by-step explanation:

Nezavi [6.7K]3 years ago

3 0

4 weeks 3/4•4 is 3, so u can confirm that this is correct

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A Web music store offers two versions of a popular song. The size of the standard version is 2.9 megabytes (MB). The size of the

Lady bird [3.3K]

Write the equations: $2.9s+4.7h=6076
 \\ h= 4s$
Substitute for h: $2.9s+4.7(4s)=6076$
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There were 280 downloads of the standard version. There were 1120 downloads of the high-quality version.

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3 years ago

A delivery person uses a service elevator to bring boxes of books up to an office. The delivery person weighs 180 lb and each bo

s344n2d4d5 [400]

It would be 12 boxes

3 0

3 years ago

How many miles could an antelope travel in 3 hours if it maintained a speed of 62 feet per second?

kkurt [141]

Per means divide. So..

Step 1. Find ur equation. 63\3

Step 2. Solve ur equation. 63\3 = 21
I think thats right.

4 0

3 years ago

Final exam scores are normally distributed with a mean of 74 and a standard deviation of 6. Approximately, what percentage of fi

notka56 [123]

Answer:

81.86%

Step-by-step explanation:

We have been given that final exam scores are normally distributed with a mean of 74 and a standard deviation of 6.

First of all we will find z-score using z-score formula.

$z=\frac{x-\mu}{\sigma}$

$z=\frac{68-74}{6}$

$z=\frac{-6}{6}=-1$

Now let us find z-score for 86.

$z=\frac{86-74}{6}$

$z=\frac{12}{6}=2$

Now we will find P(-1<Z) which is probability that a random score would be greater than 68. We will find P(2>Z) which is probability that a random score would be less than 86.

Using normal distribution table we will get,

$P(-1$