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3 years ago

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Paul's math teacher has several workbooks she wants to place them on a bookshelf but needs to know if they were all fit in one s

helf The thickness and number workbooks is shown on the line plot.

2 answers:

Tresset [83]3 years ago

8 0

Answer:

5 and 4/8

Step-by-step explanation:

you use math to solve it.

satela [25.4K]3 years ago

7 0

Answer:

uhhhhhh I think it's a uhhhhhh carrot

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How to distribute this problem:<br> (x-8)^2 + 16

Usimov [2.4K]

Answer:

We conclude that:

$\left(x-8\right)^2+16=x^2-16x+80$

Step-by-step explanation:

Given the equation

$\left(x-8\right)^2\:+\:16$

First, solve (x - 8)²

Apply Perfect Square formula: (a - b)² = a² - 2ab + b²

$a=x,\:\:b=8$

$\left(x-8\right)^2=x^2-2x\cdot \:\:8+8^2$

$=x^2-16x+64$

so the expression becomes

$\left(x-8\right)^2+16=x^2-16x+64+16$

$=x^2-16x+80$ Add the numbers: 64+16=80

Therefore, we conclude that:

$\left(x-8\right)^2+16=x^2-16x+80$

4 0

3 years ago

What is the value of x?

pogonyaev

Answer:

1 is the value of x

Step-by-step explanation:

...............

4 0

3 years ago

3x - 2 = -8<br><br> What is x ?

Cerrena [4.2K]

Answer:

one

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

Suppose that 76% of americans prefer coke to pepsi. a sample of 80 was taken. what is the probability that at least seventy perc

vladimir2022 [97]

The standard deviation of the sample proportion is:
$\sqrt{ \frac{0.76(1-0.76)}{80}} =0.048$
The z-score for 0.7 is:
$z= \frac{0.7-0.76}{0.048} =-1.25$
Reference to a standard normal distribution table shows that the probability that at least 70% of the sample prefers coke to pepsi is 0.8944 or 89.44%.

6 0

3 years ago

A box contains 35 gems, of which 10 are real diamonds and 25 are fake diamonds. Gems are randomly taken out of the box, one at a

USPshnik [31]

Answer:

$Probability = 0.504$

Step-by-step explanation:

Given

$Gems= 35$

$Real = 10$

$Fake = 25$

Required

Determine the probability of selecting two fakes

The probability can be represented as thus: $P(Fake\ and\ Fake)$

Using the following probability formula, we have:

$P(Fake\ and\ Fake) = P(Fake) * P(Fake)$

Each probability is calculated by dividing number of fakes by total number of gems:

$P(Fake\ and\ Fake) = \frac{25}{35} * \frac{25-1}{35-1}$

The minus 1 (-1) represent the numbers of fake and total gems left after the first selection

$P(Fake\ and\ Fake) = \frac{25}{35} * \frac{24}{34}$

$P(Fake\ and\ Fake) = \frac{5}{7} * \frac{12}{17}$

$P(Fake\ and\ Fake) = \frac{60}{119}$

$P(Fake\ and\ Fake) = 0.504$

<em>Hence, the required probability is approximately 0.504</em>

7 0

3 years ago