2 years ago

The diagram below represents the shape of the floor of a hotel lobby. The hotel plans on replacing the carpet in the lobby.

Mathematics

1 answer:

zzz [600]2 years ago

8 0

Answer:

Step-by-step explanation:

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A local department store sells carpet in 4 sizes . Each carpet comes in 3 different qualities. One of the size come in 5 colors

Travka [436]

There are 60 choices of carpet

reason:
4*3*5
12*5
=60
or
4*3*5
4*15
=60

6 0

3 years ago

A researcher believes that 12% of a simple random sample of adults will be able to identify a Toyota Scion by brand and model na

DochEvi [55]

Answer: 650

Step-by-step explanation:

When prior estimate of population proportion is known , then the formula to find the required sample size is given by :-

$n=p(1-p)(\dfrac{z^*}{E})^2$

, where p= population proportion

E= margin of error

z* = Critical value.

Let p be the proportion of adults able to identify a Toyota Scion by brand and model name.

As per given , we have

p = 12%= 0.12

E= 2.5%=0.025

Critical value for 95% confidence interval : z* = 1.960 [By z-table ]

Then, the required sample size = $n=(0.12)(1-(0.12))(\dfrac{1.96}{0.025})^2$

$n=(0.1056)(78.4)^2$

$n=(0.1056)(6146.56)$

$n=649.076736\approx650$

Thus , the required sample size = 650

6 0

3 years ago

What is the slope of the line passing through (-2,5)and(3,-4)

rosijanka [135]

Answer:

9/-5

Step-by-step explanation:

5--4/-2-3

9/-5

5 0

3 years ago

Read 2 more answers

Which of these expressions is equivalent to log9 10? A) log 9 B) log 19 C) 1 log 9 D) 1 log 19

eduard

It’s definitely E. I say this because there is no correct answer.

5 0

3 years ago

2. help now!!!!!!!! A certain TV costs $599.99 at Best Buy. On black Friday, it is on sale for 40% off. What is the price of the

Arturiano [62]

Answer:

$360. (I believe so, anyways.)

Step-by-step explanation:

Original Price x Discount % / 100

Discount = 600 × 40/100

24000/100

$600 - $240

Final Price = $360

8 0

3 years ago