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
Ne4ueva [31]
3 years ago
15

The radius of a circle is 1 foot what is the circle's area USE 3.14 FOR PI​

Mathematics
1 answer:
BlackZzzverrR [31]3 years ago
4 0

Answer:

Step-by-step explanation:

the area of the circle:

A= 3.14 x r^2

A=3.14 x1=3.14 ft^2

You might be interested in
The diagram shows the distance
worty [1.4K]
Rjdnkdkdkdkkddjjfnfnfnfnfmfmfkkffkfkkffkmfmfjfjfkt
6 0
2 years ago
David is buying fish for his aquarium. Clown fish cost $12 each and angel fish cost $7 each. If he has $100 to spend, and he wan
Anni [7]

Answer:

6 clown fish and 4 angel fish

Step-by-step explanation:

<u>lets say he bought 8 clown fish. </u>

12*8 = 96

the last 4 dollars wont be used.

<u>lets say he bought 7 clown fish-</u>

12*7 = 84

100 - 84 = 16. 16 is not a multiple of 7.

<u>lets say he bought 6 clown fish,</u>

12*6 = 72

100 - 72 = 28

28/7 = 4

If David has $100 dollars to spend and wants to spend every dollar, he can buy 6 clown fish and 4 angel fish.

3 0
1 year ago
PLEASE HELP ME!!! QUICKLY!!
podryga [215]

Answer:

4

Step-by-step explanation:

2L=w

32=LxW

so you put the 2L as the w

which is 32=Lx2L

32=2L^2

16=L^2

4=L

*To find the width you input 4 as L*

So 8=W

The shortest side would be 4

3 0
1 year ago
A sample of 11001100 computer chips revealed that 62b% of the chips fail in the first 10001000 hours of their use. The company's
STALIN [3.7K]

Answer:

Rule

If;

P-value > significance level --- accept Null hypothesis

P-value < significance level --- reject Null hypothesis

Z score > Z(at 90% confidence interval) ---- reject Null hypothesis

Z score < Z(at 90% confidence interval) ------ accept Null hypothesis

Null hypothesis: H0 = 0.60

Alternative hypothesis: Ha <> 0.62

z score = 1.35

P value = P(Z<-1.35) + P(Z>1.35) = 0.0885 + 0.0885= 0.177

Since z at 0.10 significance level is between -1.645 and +1.645 and the z score for the test (z = 1.35) falls with the region bounded by Z at 0.1 significance level. And also the two-tailed hypothesis P-value is 0.177 which is greater than 0.1. Then we can conclude that we don't have enough evidence to FAIL or reject the null hypothesis, and we can say that at 0.10 significance level the null hypothesis is valid.

Question; A sample of 1100 computer chips revealed that 62% of the chips fail in the first 1000 hours of their use. The company's promotional literature states that 60% of the chips fail in the first 1000 hours of their use. The quality control manager wants to test the claim that the actual percentage that fail is different from the stated percentage. Determine the decision rule for rejecting the null hypothesis, H0, at the 0.10 level.

Step-by-step explanation:

Given;

n=1100 represent the random sample taken

Null hypothesis: H0 = 0.60

Alternative hypothesis: Ha <> 0.62

Test statistic z score can be calculated with the formula below;

z = (p^−po)/√{po(1−po)/n}

Where,

z= Test statistics

n = Sample size = 1100

po = Null hypothesized value = 0.60

p^ = Observed proportion = 0.62

Substituting the values we have

z = (0.62-0.60)/√{0.60(1-0.60)/1100}

z = 1.354

z = 1.35

To determine the p value (test statistic) at 0.01 significance level, using a two tailed hypothesis.

P value = P(Z<-1.35) + P(Z>1.35) = 0.0885 + 0.0885= 0.177

Since z at 0.10 significance level is between -1.645 and +1.645 and the z score for the test (z = 1.35) falls with the region bounded by Z at 0.1 significance level. And also the two-tailed hypothesis P-value is 0.177 which is greater than 0.1. Then we can conclude that we don't have enough evidence to FAIL or reject the null hypothesis, and we can say that at 0.10 significance level the null hypothesis is valid.

3 0
3 years ago
Nuala drives to her grandma's.
weqwewe [10]

Answer:

25 minutes

If she's going double the speed, it'll take half the time.

4 0
3 years ago
Read 2 more answers
Other questions:
  • What is the compounded interest if $410 is invested for 10 years at 8% compounded continuously
    10·2 answers
  • A skydiver falls 108 feet in three seconds. How far does the skydiver fall per second?
    15·1 answer
  • Simplify all the equations.
    7·1 answer
  • Find the missing length. Round to the nearest tenth, If necessary.
    15·1 answer
  • Evaluate 32 + 12 = ( 6 – 3) x 8.​
    10·2 answers
  • What is the solution of 1/2 x= 5/6
    12·2 answers
  • Plz hurry I will give 17 points
    13·2 answers
  • I need help with geometry
    5·1 answer
  • Need help please !!!!!<br><br> Will mark as brainliest!!!!<br><br> (Don’t mind my answers)
    15·1 answer
  • Can someone help me solve this ???
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!