Write an inequality that represents the following scenario: a number divided by 10 increased by 8 is greater than 15.

Clint is in study hall reading The hunger games. After 20 minutes, he is on page 151. After 45 minutes, he is on page 181. How m

alexdok [17]

Answer:

The number of pages had Clint read prior to study hall were 127 pages.

Step-by-step explanation:

Given:

Clint after 20 minutes is on page 151.

And, after 45 minutes he is on page 181.

Now, to find the pages Clint read prior to study hall.

The time difference = 45 minutes - 20 minutes.

= 25 minutes.

Difference between the pages = 181 - 151

= 30 pages.

If Clint is reading each page at same speed.

Then, in 25 minutes he can read = 30 pages.

So, in 1 minute he can read = 30 ÷ 25 = 1.2 pages.

Thus, in 20 minutes he can read $=1.2\times 20$

$=24 pages.$

Now, number of pages Clint had read prior to study hall = 151 - 24

= 127 pages.

Therefore, the number of pages had Clint read prior to study hall were 127 pages.

7 0

3 years ago

3.2-4d=2.3d+3 people were in my area but my dog was on a dog in a few weeks lol lol I was so sorry to say that this app has no r

Keith_Richards [23]

What are you trying to say? do you actually need help or what?

4 0

3 years ago

If a block of copper is 5 cm by 10 cm by 3 cm and has a mass of 1335 grams, what is the density of copper?

Maslowich

Answer:

the density of copper is 90.03g/cm³

Step-by-step explanation:

This problem bothers on the density of a substance, this case for a copper material

Given data

Mass of copper m = 1355g

Volume of copper block v= l*b*h

10*5*3=150cm³

We know that the density

ρ= mass/volume

ρ= 1355/150

ρ= 90.03g/cm²

The density of a substance is defined as the mass of the substance per unit volume

5 0

3 years ago

Read 2 more answers

A mean equal to 5 cm. A simple random sample of wrist breadths of 40 women has a mean of 5.07

neonofarm [45]

Answer:

The value of the test statistic is $z = 1.34$

Step-by-step explanation:

The test statistic is:

$z = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}$

In which X is the sample mean, $\mu$ is the value tested at the null hypothesis, $\sigma$ is the standard deviation and n is the size of the sample.

Test if the mean is equal to 5:

This means that the null hypothesis is $\mu = 5$

A simple random sample of wrist breadths of 40 women has a mean of 5.07 cm. The population standard deviation is 0.33 cm.

This means that $n = 40, X = 5.07, \sigma = 0.33$

Find the value of the test statistic?

$z = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}$

$z = \frac{5.07 - 5}{\frac{0.33}{\sqrt{40}}}$

$z = 1.34$

The value of the test statistic is $z = 1.34$

5 0

3 years ago

Alice wants to find all the prime factors of the number you get when you multiply 17 x 11 x 13 x 7. She thinks she has to use a

makvit [3.9K]

I disagree because she can use a pencil and paper or she can do mental math

7 0

3 years ago