Mathematics College

Find the area of the circle.
Use 3.14 for T.
A = r2
13 cm
Give your answer to the nearest hundredth.
A = [?] cm?
Enter

Find The Area Of The Circle.Use 3.14 For T.A = R213 CmGive Your Answer To The Nearest Hundredth.A = [?]

Answers

Answer 1

Answer:

530.66 square cm

Step-by-step explanation:

Area of the circle

[tex] = \pi {r}^{2} \\ = 3.14 \times {13}^{2} \\ = 3.14 \times 169 \\ = 530.66 \: {cm}^{2} \\ [/tex]

Related Questions

PLEASE HELP U GET BRINLIEST IF ANDMSWERED​

Answers

Answer:

b=10

Step-by-step explanation:

I think the other part would be √-300   √3   but that's the best i could do

9.a )Explain why plane JKL is not an appropriate

name for the plane below.

9.b) Give three names for the plane that would be appropriate

Answers

Answer:

I will attach the missing drawing with the answer.

9.b)

Plane JKM

Plane JLM

Plane KLM

Step-by-step explanation:

The drawing for this question is missing. I will attach it with the answer.

9.a) Plane JKL is not an appropriate name for the plane because all of three points lie in the same line.

Through a line pass infinite planes. The plane JKL doesn't define a unique plane. That's why plane JKL isn't an appropriate name for the plane.

9.b) We can name the plane using three points that don't lie in the same line.

Three possible names for the plane are :

Plane JKM

Plane JLM

Plane KLM


A spinner is divided into 12 equal-sized sections. Each section is labeled with a number.
Lee spins the spinner once. Which outcome is most likely?

Answers

Answer:

It is a one and twelve chance for each section

Step-by-step explanation:

Because there are 12 sections, each divided equally, there is a 1/12 chance to land on each sections. As a fraction, this would be 0.0833333333

Hope this helps :)

Simplify the expression: 2(2 + 6g)

Answers

Answer:

[tex] \boxed{ \bold{ \huge{ \boxed{ \sf{4 + 12g}}}}}[/tex]

Step-by-step explanation:

[tex] \sf{2(2 + 6g)}[/tex]

Distribute 2 through the parentheses

[tex] \longrightarrow{ \sf{2 \times 2 + 2 \times 6g}}[/tex]

[tex] \longrightarrow{ \sf{4 + 12g}}[/tex]

Hope I helped!

Best regards! :D

4 + 12g, sorry if I’m wrong!

Solve the equation for x.
2
3
x −1
9
x + 5 = 20

Answers

AnsweSolve the equation for x. 2 3 x −1 9 x + 5 = 20

Step-by-step explanation:

Answer:

X=27

Step-by-step explanation:

can someone help me . Derek collects coins that have the names of all 50 US states. He has collected 12 different state coins in two and a half months. How long will it take to collect the 50?​

Answers

Theoretically it will take about 8 and 3/4 more months to collect the rest in total having the time be 11 and 1/4 months

When is there no solution to a compound inequality is it AND or OR

Answers

Answer:

The solution could begin at a point on the number line and extend in one direction. 3. In cases where there is no overlap between the two inequalities, there is no solution to the compound inequality.

Step-by-step explanation:

Rocko paid 12.50 for 25 game tickets

Answers

12.5/25=0.5
He paid each game ticket for 0.5$
He paid $0.5 for each game ticket

EXPLANATION
12.5/25

Draw a discrete graph that has a domain of 0<=x<=8 and a range of (2,4,6,8,10).Write a situation for the graph.(You don't have to draw the graph,I just want the situation)

Answers

Answer:

X² - Y² = 1

X² = (X - 0)²

Y² = (Y - 0)²

[(X - 0)²/1] -  [(Y - 0)²/1] = 1

Centro (0 , 0)

a² = 1 :   b² = 1

c² = 1 + 1 = 2

c =  

Focos :(0 +/- 1.414213562  , 0)

F1 : ( -1.414213562 , 0)

F2 : (1.414213562 , 0)

Vertices: (+/- 1 , 0)

V1: (1 , 0)

V2: (-1, 0)

Te anexo la grafica

 

 

Step-by-step explanation:

I need the answer so please help it is worth 88 points

Answers

Answer:

24

Step-by-step explanation:

If she did all 3of them today then you subtract a day from each one then it would look like this

5+4+15=24

What's the question? You can edit if you're on pc I think so you can add a picture or type it up. I'll also edit this so I can help u :)

Which two ratios represent quantities that are proportional?


A. 18/15 & 24/20

B. 4/6 & 9/12

C. 9/14 & 45/56

D. 33/18 & 66/26

Answers

Answer: Option A is correct.

Explanation: Both fractions equal 6/5 when fully simplified. Questions like these are easy to check. All you have to do is divide 18 by 15 and divide 24 by 20. Both will equal 1.2.

Answer:

Option A 18/15 & 24/20

Step-by-step explanation:

Pleasee help i forgot what the sum of means

Choose the expression that best represents the phrase below.
... the sum of 7 and 15...

A. 15-7
B. 7 + 15
C. 15.7
D. 15 = 7
E. 7 = 15
F. 7-15

Answers

Answer: the answer is b

Step-by-step explanation:

B is the answer ....

In a class of 25 students, 24 of them took an exam in class and 1 student took a make-up exam the following day. The professor graded the first batch of 24 exams and found an average score of 74 points with a standard deviation of 8.9 points. The student who took the make-up the following day scored 64 points on the exam. what is the new average

Answers

Answer:

The  value is   [tex]\mu_n  =  73.6[/tex]

Step-by-step explanation:

From the question we are told that

   The total number of students is  [tex]N =  25[/tex]

    The  number of student that took exam in class is  n  = 24

    The number that took make up exam is  k  =  1

     The  average score of the first 24 students is  [tex]\mu  =  74[/tex]

       The  standard deviation is [tex]\sigma  =  8.9[/tex]

      The  average score of the student who took make up test is [tex]\= x  =  64[/tex]

Generally the new average is mathematically represented as

      [tex]\mu_n  =  \frac{( n * \mu ) +  \= x }{N}[/tex]

      [tex]\mu_n  =  \frac{( 24 * 74 ) +  64 }{25}[/tex]

       [tex]\mu_n  =  73.6[/tex]

EINER
Evaluate the expression.
202 + 6(9 + 3) =
ME
DONE

Answers

Answer:

274

Step-by-step explanation:

202 + 6(9 + 3) =

Use order of operations and multiply out first.

202 + 6*9 + 6* 3  =

202 + 54 + 18 = 274

Answer:

274

Step-by-step explanation:

Use the order of operations to solve.

202 + 6(9 + 3) =    First, you add what is in the parenthesis.

202 + 6(12) =       Then you multiply.

202 + 72 =   Then add

202 + 72 = 274

Which point is located at (5,-2)?
8
Na os
point A
point B
point C
point D
3 4 5 61 x
a
do
C

Answers

Answer:

D

Step-by-step explanation:

If you look at the graph you can clearly see that the x coordinate 5 and the y coordinate -2 line up with point D

8(-b-4)
Simpif the expression

Answers

Answer:

-8b - 32

Step-by-step explanation:

Distribute the 8 to each term in the parentheses:

8(-b) = -8b

8(-4) = -32

Add these two terms together:

-8b - 32 is the simplified expression

Hey there!

ANSWER: [tex]-8b-32[/tex]EXPLANATION:

[tex]8(-b-4)[/tex]

Separate 8 and -b-4 with parenthesis and also add (-b+-4)

[tex](8)(-b+-4)\\(8)(-b)+(8)(-4)=-8b-32\\-8b-32[/tex]

[tex]-8b-32[/tex] is your answer.

Hope this helps :)

[tex]\text{-TestedHyperr}[/tex]

please help !!! 3x+8y
x = 7
y = -2

Answers

Answer: 5

Step-by-step explanation:

you do each variable individually first, 3(7)=21, 8(-2) is -16, then you add them, 21-16=5 so that is your answer

(3 1/3 −1 5/6 ) ÷ 2 1/7 −1 1/3 · 2.4

Answers

Answer:

Exact form -5/2 Decimal form -2.5 Mixed number -2 1/2

Step-by-step explanation:


2. Kate is a professional musician. She wants to make an essential purchase of an upgraded used bass guitar
for her work. She found the following prices for the same make and model bass guitar from various sellers:
| $699.$599, $699.$680, $590, $720, $650, $800
What is the mean price? Round your answer to the nearest cent.
What is the median price?
What is the mode price?

Answers

Answer:

a. What is the mean price? Round your answer to the nearest cent. $679.63

b. What is the median price? $689.50

c. What is the mode price? $699

Step-by-step explanation:

The mean price, rounded to the nearest cent is $679.63, the median price is $689.5 and the mode price is $699.

What is Mean, Median and Mode?

The mean is the ratio of the sum of all numbers and total numbers in the list. The median is the middle value in a list ordered in ascending order. The mode is the most frequently occurring value on the list.

In our question, given data:

$699, $599, $699, $680, $590, $720, $650, $800

Mean is found by dividing by sum all the prices and then divided by total terms.

Sum all prices = ($699 + $599 + $699 + $680 + $590 + $720 + $650 + $800) = $5437

Mean = [tex]\frac{5437}{8}[/tex] = $679.625

The round of mean value to the nearest cent is $679.63.

To find median, arrange the data list in ascending order and then find the middle value. Since in our data list, there are 8 terms (even). Therefore take average of the two middle values to find median.

Ascending order ⇒ 590, 599, 650, 680, 699, 699, 720, 800

Midian = [tex]\frac{680 + 699}{2}[/tex] = $689.5

Mode is the most frequently occurring value in the data list, in our data list, 699 comes twice.

∴ Mode = $699

Hence Mean = $679.63, Midian = $689.5, Mode = $699.

To learn more about Mean, Median and Mode, refer to the link:

https://brainly.com/question/15323584

#SPJ2

Jimmy earns $9.25 per hour working at a local grocery store. If Jimmy earned $74 last week, which equation would be used to determine h, the number of hours he worked last week?

Answers

9.25h=74 you multiply h by 9.25

Given the following sets.
A = {0, 1, 2, 3)
B = (a, b, c, d]
C = {0, a, 2, b)
Find BC

Answers

Answer:

C={0, a, 2, b, 4, c,}

Step-by-step explanation:

I thing you are doing patterns but I hope this helps

A guy wire supports an antenna tower, as shown at the right. The bottom of the wire is secured in the ground 30 feet from the base of the tower. The top of the wire is secured to the tower at a height of 30 feet above the ground. How long is the wire? Round your answer to the nearest tenth of a foot.

Answers

Answer:

The wire is approximately 42feet long

Step-by-step explanation:

We can mentally sketch out the shape that is formed between the guy wire and the antenna tower. This is simply a right-angled triangle with the opposite side being the height of the antenna (30 feet). The adjacent side is the distance on the ground between the point where the wire was fastened and the base of the antenna.

The hypotenuse side is the length of the wire we are looking for.

Parameters are given as:

Opposite : 30ft

Adjacent: 30ft

Hypotenuse: x feet

The hypotenuse = [tex]\sqrt{opp^2 + adj^2}[/tex]

Hypotenuse =[tex]\sqrt{30^2+ 30^2} \approx 42ft[/tex]

Evaluate the problem -3-(+4)

Answers

Answer:

-7

Step-by-step explanation:

-3 - (4) = ?

Remove parentheses:

=  -3 - 4

Subtract the numbers:

= -7

First you remove the parenthesis then you subtract both number and the answer is x=-7

What is the variable used to predict another variable called________.A. Independent variableB. Dependent variableC. Moderating variableD. Intervening variable

Answers

Answer:

A. Independent variable

Step-by-step explanation:

The prediction of a variable can be done if we have the independent variable. Which is the required variable that is used to determine the value of the other variable. The variable to be predicted is dependent on the required variable.

An independent variable can also be referred to as a predictor variable. When its value is known, it can be used to obtain the dependent variable.

An academic advisor calculated the mean GPA for college freshmen to be 2.33, with a standard deviation of 1.06. The advisor knows that there is a relationship between high school GPA and freshman-year GPA. If the advisor uses each student's high school GPA to predict his/her freshman-year GPA, what happens to the average error in prediction (relative to not using high school GPA to predict freshman-year GPa.

Answers

Answer:Average error will be less

Step-by-step explanation: Prediction error refers to the difference between the the actual and predicted value of an observation. Using correlation analysis or study, The level or degree of correlation or relationship between two measured variables usually determines the variation or measure of the prediction error. If there is no relationship or correlation between two measured variables, if such model is used to make prediction, the average prediction error will be very high. However, since it is stated that there exist a relationship between high school GPA and Freshman-year GPA, then making prediction based on this assertion will lessen the average prediction error.

4. Each set of data was collected from surveys to answer statistical questions. Select all of the data sets that represent numerical data. a. (1, 1.2, 1.4, 1.4, 1.5, 1.6, 1.8, 1.9, 2, 2, 2.1, 2.5) b. (Red, Red, Yellow, Yellow, Blue, Blue, Blue) c. {45, 60, 60, 70, 75, 80, 85, 90, 90, 100, 100, 100) d. (-7, -5, -3,-1,-1,-1,0} e. 98.2, 98.4, 98.4.98.6, 98.6, 98.6, 98.6, 98.7, 98.8, 98.8) f. (Yes, Yes, Yes, Yes, Maybe, Maybe, No, No, No} g. {A, A, A, B, B, B, C, C, C]​

Answers

Answer:

Options (A), (C), (D) and (E).

Step-by-step explanation:

There are two types of sets in the given options.

1). Numerical data - Data which shows the numeral values or the numbers which tells the exact meaning of quantities like length, width or height.

2). Categorical data - Data which has no numeral values or no logical order.

Therefore, sets which show the numerical data are,

Option (A)

Option (C)

Option (D)

Option (E)

Answer:

A, C, D, E

Step-by-step explanation:

FILL IN THE BLANK
If an equation has one solution.. It means.. Only ______ Number will make this equation true. Can you think of an equation that would make this equation true?

Answers

Answer:

One

....................

Answer:

1

Step-by-step explanation:

Because if you plug in any other number than that 1 number (the solution) it will make the equation false. So, there will only be 1 number that can make the equation true.

please help me i need answers asap please​

Answers

The answer would be -22.

Answer:

-22

Step-by-step explanation: you only add when it is like -8-(-12) that means you add them together but in this case all you do is subtract -8-14 so basically you cancel out the plus sign. Hope this helps.

3. (03.01 MC)
Which expression is equivalent to 4(9 + 7)? (1 point)
36 + 7
13 + 11
36 + 28
13 + 7

Answers

Answer:

36+7

Step-by-step explanation:

4(9+7) = 43

36 + 7 also equals 43

Step-by-step explanation:

4(9+7)

4(16)

64

36+28 is the equivalent as it amounts to 64

BRAINLIEST TO THE FIRST CORRECT ANSWER!!The expression on the left side of an equation is shown below.

Negative 4 (x minus 2) + 5 x = box

If the equation has no solution, which expression can be written in the box on the other side of the equation?
2(x + 4) – x
x + 8
4(x + 2) – 5x
x

Answers

x+8
you just have to simplify -4(x-2)+5 which gives you x+8

Answer:

The correct answer is B. x + 8

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