All categories

2 years ago

A circle has a radius 30 cm. What is the area? Show your work.

Mathematics

1 answer:

Talja [164]2 years ago

8 0

Answer:

I believe the area = 2,826

Step-by-step explanation:

A=pie×radius²

A= 3.14×30²

A=3.14×900

A=2,826

You might be interested in

An electrical appliances shop owner estimates that his sales will increase by 5% every

irinina [24]

Minus them both to get your answer

8 0

2 years ago

I know you want those easy points but this aint easy. please help

jekas [21]

Answer:

Answer Below

Step-by-step explanation:

a. 2L+2W≥40

thats equal to 12+2W≥40 since it says the length is 6

That means 2W≥28

That means width ≥ 14

so the width can be 14 or greater

b. Smallest possible width is 14 because the inequality

6 0

3 years ago

Read 2 more answers

Which model represents the factors of 4x²-9?

NeX [460]

Step-by-step explanation:

(

)

−

(

−

)

(

)

6 0

3 years ago

John read 10 books in 12 months. What was his rate of reading in months per book?

NARA [144]

Answer:

12/10

Step-by-step explanation:

4 0

2 years ago

Read 2 more answers

The owner of a computer repair shop has determined that their dailyrevenue has mean $7200 and standard deviation $1200. The dail

meriva

Answer:

The required probability is 0.0855

Step-by-step explanation:

Consider the provided information.

The daily revenue has mean $7200 and standard deviation $1200.

$\mu_{\bar x}=7200$

$\sigma=1200$

The daily revenue totals for the next 30 days will be monitored.

$\sigma_{\bar x}=\frac{\sigma}{\sqrt{n}}$

$\sigma_{\bar x}=\frac{1200}{\sqrt{30}}=219.089$

As we know $Z=\frac{\bar x-\mu_{\bar x}}{\sigma_{\bar x}}$

Substitute $\bar x=7500, \mu_{\bar x}=7200\ and\ \sigma_{\bar x}=219.089$ in above formula.

$Z=\frac{7500-7200}{219.089}=1.3693$

From the standard normal table P( Z >1.3693) = 0.0855

Hence, the required probability is 0.0855

7 0

3 years ago