1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
sergejj [24]
3 years ago
13

The diameter of a circle is 5 inches find the length of its raidius

Mathematics
1 answer:
BARSIC [14]3 years ago
6 0

Answer:

2.5 inches

Step-by-step explanation:

the radius is half diameter

You might be interested in
A 10 gram ball is rolling at 3 m/s. The ball has __________ energy. Calculate it.
sladkih [1.3K]

Answer:

kinetic

Step-by-step explanation:mark brainliest plzzzzzzzzzz

3 0
3 years ago
Read 2 more answers
Someone please help me quick!
Inessa [10]
Can you explain the question in words please?
5 0
3 years ago
You want to obtain a sample to estimate a population proportion. At this point in time, you have no reasonable estimate for the
Vesna [10]

Answer:

A sample size of at least 1,353,733 is required.

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of , and a confidence level of , we have the following confidence interval of proportions.

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

In which

z is the zscore that has a pvalue of .

The margin of error is:

M = z\sqrt{\frac{\pi(1-\pi)}{n}}

98% confidence level

So \alpha = 0.02, z is the value of Z that has a pvalue of 1 - \frac{0.02}{2} = 0.99, so Z = 2.327.  

You would like to be 98% confident that you esimate is within 0.1% of the true population proportion. How large of a sample size is required?

We need a sample size of at least n.

n is found when M = 0.001.

Since we don't have an estimate for the proportion, we use the worst case scenario, that is \pi = 0.5

So

M = z\sqrt{\frac{\pi(1-\pi)}{n}}

0.001 = 2.327\sqrt{\frac{0.5*0.5}{n}}

0.001\sqrt{n} = 2.327*0.5

\sqrt{n} = \frac{2.327*0.5}{0.001}

(\sqrt{n})^{2} = (\frac{2.327*0.5}{0.001})^{2}

n = 1353732.25

Rounding up

A sample size of at least 1,353,733 is required.

5 0
3 years ago
Find the missing exponent in each expression
Naily [24]

Answer:

See below.

Step-by-step explanation:

Multiplying terms with exponents make the exponents add together.

13.) x² · x⁵ = x⁷

14.) b⁵ ·  b³ = b⁸

15.) y⁴ · y⁷ = y¹¹

16.) m⁴ · m¹ = m⁵

8 0
3 years ago
On a coordinate plane, a graph has number of hours on the x-axis and number of haircuts on the y-axis. A line goes through point
Leni [432]

Answer:

Well the stylist can give one cut every 2hours or y=1/2x

Step-by-step explanation:

All you have to do is find the slope of the equation(rise/run) which ends up being 1/2 and then just turn it into an equation

6 0
3 years ago
Read 2 more answers
Other questions:
  • An apartment building contains 12 units consisting ot one and two bedroom apartments that rent for $360 and $450 per month, resp
    8·2 answers
  • Triangle LMN is a right triangle The measure of angleL,m41, is equal to 35° Triangle LMN is
    12·1 answer
  • Please help me. I’ll mark brainliest!!!
    7·1 answer
  • This is all first in expanded form then standard form
    10·1 answer
  • What is the answer to all
    8·2 answers
  • Can anyone help me with this ?
    12·1 answer
  • PLEASE ANSWER QUICK<br><br> What is the unit rate for the ratio 96:8
    8·1 answer
  • What are the coordinate points (x,y) of<br> y-2x =3<br> -x= y-9 <br> PLEASE HELP
    11·1 answer
  • How to find a minimum distance between a point to a point​
    5·2 answers
  • Which shapes show equivalent fractions?
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!