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Answers

Answer 1

Answer:

A = 254.34

Step-by-step explanation:

Area of a circle formula:

A = πr²

r = d/2 = 9

A = 3.14(9²)

A = 3.14(81)

A = 254.34

Answer 2

Answer:

254.34

Step-by-step explanation:

Good luck!


Related Questions

Need a little help with this one problem! All help appreciated!

Answers

Answer:

A. Magic carpets

B. Carpet Brites

C. Carpet Brites

Step-by-step explanation:

70 x 15 = 1050 + 10 = 1060

60 x 15 = 900 + 30 = 930

Test the claim that the mean GPA of night students is significantly different than the mean GPA of day students at the 0.02 significance level.
GPA-Night GPA-Day 3.15 3.47 3.68 3.49 3.34 3.07 3.07 3.31 3.31 3.28 3.2 3.05 3.07 3.12 2.8 3.5 3.04 3.04 3.13 3.19 3.54 3.26 3.24 3.31 3.02 3.45 3.44 2.9 2.79 2.76 3.18 2.69 2.99 3.46 3.28 3.09 3.16 2.72 3.08 3.14 2.47 3.08 3.03 2.99 3.02 3.11 2.58 2.84 3.36 2.99 3.04 2.99
(1) The null and alternative hypothesis would be:
a.H0:μN≥μD
H1:μN>μD.
b.H0:μN=μD
H1:μN≠μD.
c.H0:pN≥pD
H1:pN d.H0:pN=pD
H1:pN≠pD.
e.H0:μN≤μD
H1:μN<μD
f.H0:pN≤pD
H1:pN>pD.
(2) The test is:_______.
a. right-tailed.
b. two-tailed.
c. left-tailed.
(3) The sample consisted of 70 night students, with a sample mean GPA of 2.12 and a standard deviation of 0.08, and 70 day students, with a sample mean GPA of 2.08 and a standard deviation of 0.02

Answers

Answer:

Step-by-step explanation:

Test the claim that the mean GPA of night students is significantly different than the mean GPA of day students at the 0.02 significance level.

GPA-Night GPA-Day 3.15 3.47 3.68 3.49 3.34 3.07 3.07 3.31 3.31 3.28 3.2 3.05 3.07 3.12 2.8 3.5 3.04 3.04 3.13 3.19 3.54 3.26 3.24 3.31 3.02 3.45 3.44 2.9 2.79 2.76 3.18 2.69 2.99 3.46 3.28 3.09 3.16 2.72 3.08 3.14 2.47 3.08 3.03 2.99 3.02 3.11 2.58 2.84 3.36 2.99 3.04 2.99

(1) The null and alternative hypothesis would be:

a.H0:μN≥μD

H1:μN>μD.

b.H0:μN=μD

H1:μN≠μD.

c.H0:pN≥pD

H1:pN d.H0:pN=pD

H1:pN≠pD.

e.H0:μN≤μD

H1:μN<μD

f.H0:pN≤pD

H1:pN>pD.

(2) The test is:_______.

a. right-tailed.

b. two-tailed.

c. left-tailed.

(3) The sample consisted of 70 night students, with a sample mean GPA of 2.12 and a standard deviation of 0.08, and 70 day students, with a sample mean GPA of 2.08 and a standard deviation of 0.02

Helpheheehhedhhdhdhuahdhdh

Answers

Answer:

2.9

Step-by-step explanation:

.05 rounds up.

2.9

Tenth place: here’s an example
3.15 rounded to tenth would be 3.2

Now 2.859 would be 2.9
The solution is C

Which is a true statement about angles 1 and 2? O the two angles are supplementary
the two angles are complementary
the two angles are neither complementary nor supplementary
the two angles are vertical angles​

Answers

C neither
Thank you hope this helps

Alex went to the grocery store and bought 1 pound of oranges, 0.75 pounds of bananas, and 1.255 pounds of apples. How much did all of his produce weigh?

Answers

Solontendras qie dividir  075  liego 1255 y tines que saber cuento. Pesa una libra

Dima’s mom went to the bakery and bought 18 donuts. 1/2 of the donuts were chocolate. Dima‛s family ate 1/3 of the chocolate donuts but didn‛t eat any other kind. What fraction of the donuts did they eat?

Answers

Answer:

They ate 1/6 of the donuts

Step-by-step explanation:

They bought 18 donuts. 1/2 of 18 is 9. 1/3 of 9 is 3. To find the fraction, divide 3 by 18. Simplify the fraction. You are left with 1/6.

??????????????????????????

Answers

The answer is 12 if you want me to explain reply to this comment

Answer

I believe it is 1/12

Step-by-step explanation:

as it is 24 ft tall, and then the model is 2 ft tall

22 ft is subtracted

so basically for every 12 ft one is added to the model

so 1/12 should be the ans

What are the values of the function when x=0 and when x=4?

Answers

Answer:

0 and h4

Step-by-step explanation:

Value of function when x=0 is 10 and at x=4 is 16.

What are the values of the function?

The value of a function, given the value(s) allocated to its argument(s), exists as the quantity assumed by the function for these statement values.

Function value may direct to: In mathematics, the value of a function when involved in an argument.

Analyzing the piece wise function

when x is between 0(including) and 4(excluding), the function behaves as:

[tex]h(x)=2x^{2} -3x+10[/tex]

put x=0:

[tex]h(0)=2(0)^{2} -3(0)+10=10[/tex]

when x greater than equal to 4, the function behaves as:

[tex]h(x)=2^{x}[/tex]

put x=4:

[tex]h(4)=2^{4} =16[/tex]

Therefore, values are 10 and 16 respectively.

To learn more about values of the function refer to:

https://brainly.com/question/12507191

#SPJ2

For what value of m is the expression x4+mx2+64 a perfect square?

Answers

Answer:

x^4 + 1/4 x^2 + 1/64 is a perfect square. 16x^4 + 4x^2 + 1/4 is a perfect square. (4x^2 + 1/2)^2. So you must add -3/4

Step-by-step explanation:

The value of m is the expression x⁴ + mx² + 64 a perfect square will be 16.

What is a perfect square trinomial?

A perfect square trinomial formulation can be created by taking the binomial equation's squared. If and then only if a trinomial satisfying the criterion b² = 4ac has the form ax² + bx + c, it is indeed a perfect square.

The equation is given below.

⇒ x⁴ + mx² + 64

Then the value of a, b, and c will be 1, m, and 64, respectively. Then the equation will be given as,

b² = 4ac

m² = 4 x 1 x 64

m² = 265

m² = 16²

m = 16

The value of m is the expression x⁴ + mx² + 64 a perfect square will be 16.

More about the perfect square trinomial link is given below.

https://brainly.com/question/16615974

#SPJ2

SOMEONE PLEASE HELP IM STUCK AND ITS MY LAST QUESTION

Answers

Answer:

Theta=60

Step-by-step explanation:

Lets start to get the value of x in [tex]sin(x)=\frac{1}{2}[/tex]

Just do the opposite which is [tex]sin^{-1}(\frac{1}{2}) = 30[/tex]

So [tex]sin(30)=\frac{1}{2}[/tex]

Still we got only the value of x not theta then

The value of x = theta/2

Theta/2=30 multiply each side by 2

Theta = 60

Chloe wants to give her apartment a more elegant look, so she decides to make drapes for her 6 windows. She plans to make 2 drapes for each window. Each drape will be 84 inches long. How many yards of fabric should she buy for her new drapes?​

Answers

Answer:

84 yards

Step-by-step explanation:

1008 inches converts to 84 yards

felixs total credit card balance is described by the following function f(p)=p(1.30). if felix owes 2500, what is the total bill plus interest

Answers

Given:

Felix's total credit card balance is described by the following function

[tex]f(p)=p(1.30)[/tex]

To find:

The total bill plus interest if Felix owes 2500.

Solution:

We have,

[tex]f(p)=p(1.30)[/tex]

Where [tex]p[/tex] is the amount Felix owes.

Putting [tex]p=2500[/tex] in the given function, we get

[tex]f(2500)=2500(1.30)[/tex]

[tex]f(2500)=3250[/tex]

Therefore, the total bill plus interest is 3250.

HELP PLSSSSSSSSSSSSS Carin is going to paint walls of her room green. The green paint is too dark so she mixes it with white paint. She tries different mixtures. Which of the following will give the darkest green color?
A. 1 part green + 3 parts white
B. 2 parts green + 6 parts white
C. 3 parts green + 9 parts white
D. 4 parts green + 12 parts white
E. They will all be equally dark.

Answers

E. They will be equally dark because when all of those fractions are simplified they equal 1/3

work out m and c for the line y= 2x+1​

Answers

Answer:

m = 2, c = 1

Explanation: In the y = mx + b (or y = mx + c) format, the m is the slope of the line and the c/b is the y-intercept, or where the line crosses the y-axis. If we substitute the information from the given equation, y = 2x + 1, into the general formula, we know that the m is 2 and c is 1.

Choose two statements that are true for this expression.

6x^3-8x^2-40/y+21

A. The entire expression
B. There are three terms
C. There are four terms
D. The term -40/y is a ratio

Answers

Answer:

C and D

Step-by-step explanation:

A P E X verified

SOME ONE HELP PLEASE

Answers

Answer:

1 23/32

Step-by-step explanation:

hi, dont sweat it! i gotchu.

If the graph of the second equation in the system passes through the points (-12, 20) and
(4, 12), which statement is true?

Answers

answer: the system had no solution

What is the area of ​​a rectangle that is 6 inches long by 1/12 inch wide?

Answers

A = lw

A = (6)(1/12)

A = 1/2

the percent change from 50 to 43

Answers

Hi, i believe it’s 7%. because 50-43= 7

Answer:

its not 7% btw

Step-by-step explanation:

For each geometric sequence, write a recursive rupe by finding the common ratio by calculating the ratio of consecutive terms. Write an explicit rule for the sequence by writing each term as the product of the first term and a power of the common ratio.​

Answers

Answer:

3

Step-by-step explanation:

can someone help find me? i need to answer!!!!

Answers

B and E. Mark the brainiest please

10
TIME REMAINING
50:51
What are the solutions of x squared + 6 x minus 6 = 10?

Answers

Answer:

X = -8 and X = 2

Step-by-step explanation:

X^2 + 6X - 6 = 10

Bring the 10 over:

X^2 + 6x - 16 = 0

From here, either use the quadratic formula or

manual factorization by finding its roots:

Manually:

(X + 8)(X - 2) = 0

Equate each factor to 0 you will get:

X + 8 = 0  and X - 2 = 0

Solutions are -8 and 2 respectively.

The answer is X= -8 and x= 2

What was the temperature in the city with an elevation of -9?

Answers

Answer:

7(u will trace the _9 in x axis to y axis where the blue dot is the value there will be our answer and that is 7)

Three boards are placed end to end to make a walkway. The first board is 2 feet 6 inches long, the second board is 3 feet 2 inches long, and the third board is 5
eet 7 inches long. How long is the walkway?
Write your answer in feet and inches. Use a number less than 12 for inches.

Answers

Step-by-step explanation:

TALA RHYTHMIC PATTERNS

ACTIVITY 2: LET'S DO TALA

kind of membranophones/percussion instruments found at home for tapping. Record your

Directions: Perform the following tala rhythmic patterns using the given legend. Use any

performance using any recorder and send it to your

INSTRUMENTS AT HOME

MANJIRA

TIN CANS

1 2 3 4 5 6

х

1 2 3 4 5 6 7 8 9 10 11 12

GHATAM

PAL

X

х

0 X

TABLA

1 2 3 4 5 6 7 8 9 10

BOX

x xox

Answer:

11 feet 3 inches

Step-by-step explanation:

1 feet = 12 inches

Add up the lengths:

2 ft 6 in + 3 ft 2 in +5 ft 7 in

-------------------

10 ft 15 in = 10 ft + 12 in + 3 in = 10 ft + 1 ft + 3 in = 11 ft 3 in

Which of the following statements are true? (Select all that apply)

Correlation coefficients are negative when the relationship is weak and positive when they are strong.

Correlation coefficients show the relationship of the x and y values.

Correlation coefficients can be any value less than 1 or greater than −1.

Correlation coefficients show the x and y intercepts of the best fit line.

Correlation coefficients can be represented by the variable r.

Answers

Answer:

a and c I'm 99percent shure

Can someone help me? I'll reward points + brainalist

Answers

The answer for the following question is 12

as

Circumference of the circle = 2TTr

= 2 x 22/7 x 12

= 44 / 7 x 12

= 75.4285714286

The table below shows the favorite color of all the students at Wolff Elementary school.

Answers

Answer:

Pretty shure its the one at the bottom (C)

Step-by-step explanation:

the other ones have very limited amount of people they can show on the graph, so it makes sience to pick the biggest one because it will fluxuate.

(basically its C, also not always right )

In a baseball card collection, 40% of the cards are worth more than $100. If 12 cards in the collection are worth more than $100, how many total baseball cards are in the collection?

Answers

Answer:

30

Step-by-step explanation:

Total number of cards = number of cards worth more than 100  divided by the rate of those cards among total cards = 12/40% = 30

How many integers satisfy each inequality?
-102

Answers

Answer:At integers -2 and -3 the value of the equation is zero, hence satisfies the inequality. So overall 4 integers satisfy the inequality.

i got 1 2 3 4 5 6 7 8 ems in my bank account

Step-by-step explanation:

i know mia is right but what’s the explaining?

Answers

Answer:

Just explain why you chose mia..

Step-by-step explanation: Why do you think mias right?

Answer:

Mia is right

Step-by-step explanation:

But the reason is because y=4+6x mark is going over the line and he needs to make sure its accross.

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