Mathematics Middle School

Calculate circumference of the circle. (use = 3.14)

Answers

Answer 1

Answer:

The circumference of the circle is 2πr

Step-by-step explanation:

Answer 2

257.48 if you multiply 2 x 3.14 x 41

Related Questions

We know that the expression is 4x+40. How much will the length of the garden increase by if it uses 50 feet of fencing in total? Here is a photo to help.

Answers

Answer:

240

Since the expression is 4x + 40 we just substitute 50 in for x, so the new equation looks like this 4(50) + 40 which gets us 240.

Answer:

240

Step-by-step explanation:

Which rules were used to make the image?

please help (don't give links because I know you're trying to scam me)

Answers

Answer:

(3x, 3y)

Step-by-step explanation:

The answer is (3x, 3y)

What would this be? Thanks for helping!

Answers

Answer:

if I remember correctly it would be a triangle.

Triangle would be the answer have a good day

PLZZZ help with this its pretty simple!

Answers

Answer:

Ok so first you want to distribute the -1 in front of the 3x^2-7x+1

Which turns the problem into

X^2+5x-6 -3x^2+7x-1

Then just combine like terms

-2x^2+12x-7

Also ^ followed by the number is the exponent

Please help me I’ll give brainliest for this

Answers

its b!!!!!!!!!!!!!!!!

The answer is Letter B

File attached Please help! Show work
This is angles that share a vertex!

Answers

Answer:

Step-by-step explanation:

Let me look it up 8

What is the outlier for the data set?

Answers

The outlier is 9

Explanation

An outlier is a number that is at least 2 standard deviations away from the mean. For example, in the set, 1,1,1,1,1,1,1,7, “7 “would be the outlier.

9 basically it’s just which one that’s not as common as the others

All of the factory workers in a steel mill either purchased their breakfast in the company cafeteria, or brought their breakfast from home on Wednesday. • 26% of the factory workers purchased their breakfast. • 148 brought their breakfast from home. How many factory workers are employed at the steel mill?

Answers

Answer:

There are 200 factory workers employed still mill

HOPE IT'S HELPS YOU

please help
The picture should be there. I got there is that right?

Answers

Answer:

h=9

Step-by-step explanation:

A rhombus has sides of length x + 6 inches and a perimeter of 49 inches. Which equation represents this situation?

Answers

Answer:

Step-by-step explanation:

The equation representing this situation is 4( x + 6 ) = 49.

What is an expression?

The mathematical expression combines numerical variables and operations denoted by addition, subtraction, multiplication, and division signs.

Mathematical symbols can be used to represent numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. They can also denote the logical syntax's operation order and other properties.

Given that a rhombus has sides of length x + 6 inches and a perimeter of 49 inches.

The equation can be written as,

4 ( x + 6 ) = 49

The perimeter is given as,

4 x side = perimeter

4 x ( x + 6 ) = 49

4 ( x + 6) = 49

To know more about an expression follow

https://brainly.com/question/25968875

#SPJ2

DO NOT SEND ME PDFS OR I WILL REPORT ANSWER CORRECTLY FOR BRAINLIEST

In a sample of 50 chickens, 45 of them laid an egg each day. If the entire chicken population has 475 chickens, how many should lay an egg each day?
21,375
428
50
45

Answers

Answer:

Step-by-step explanation:

A pretzel stand at the state fair sells 3 pretzels for $6.75, 6 for $13.50,
and 9 for $20.25. What is the most likely cost for 15 pretzels?

A $27.00 B $33.75
C $40.50 D $46.75

Answers

Answer: B

Step-by-step explanation:

Since 9 is 20.75 just add 6.75 each time you add 3 so 9--> 12 = 27.00

12--> 15 = 33.75

Answer: B

Step-by-step explanation:

Since 9 is 20.75 just add 6.75 each time you add 3 so 9--> 12 = 27.00

12--> 15 = 33.75

The scatter plot shows the relationship between the test scores of a group of students and the number of hours they exercise in a week:

On a grid, Label Hours of Exercise on x axis and Test Scores on y axis. The title of the graph is Test Scores and Exercise. The scale on the x axis shows the numbers from 0 to 10 at increments of 1, and the scale on the y axis shows numbers from 0 to 100 at increments of 10. Dots are made at the ordered pairs 1.1, 12 and 1, 30 and 2.1, 21 and 2.5, 42 and 3.5, 30 and 3.5, 45 and 4, 55 and 5, 45 and 5.5, 60 and 5.5, 70 and 6.5, 40 and 7, 50 and 7.5, 80 and 8, 75, and 8.5, 60 and 9, 75. The ordered pair 9, 15 is circled and labeled as T. All the other points are put in an oval and labeled as P
.
Part A: What is the group of points labeled P called? What is the point labeled T called? Give a possible reason for the presence of point T. (5 points)

Part B: Describe the association between students' test scores and the number of hours they exercise. (5 points)

Answers

Answer:

It is going by -34 each time so

Step-by-step explanation:

It’s going to be -13 every time

I need help with all of It pls

Answers

Answer:

can you retake it

the ans is the 3 one

Step-by-step explanation:

which is equivalent to da ratio of 225:50
a. 4:1
b 9:200
c 175:1
d 9/2
e 2/9

Answers

That would be 9/2 , 225/50=4.5 and 9/2=4.5
Hope this helps

Answer:

9/2

Step-by-step explanation:

Eve wants to buy a balance beam. The original price is $388. How much will Eve pay if she buys it during the sale? It was on sale for 75%!

Answers

Answer:

Eve will pay $97 if she buys it during the sale.

Step-by-step explanation:

price during sale = original price - (original price * discount percentage)

disc. % = 75%

75% = 0.75

pr. = 388 - (388 * 0.75)

pr. = $97

Answer:

97$

Step-by-step explanation:

Mr. Clark wants to pay for his order with a $20 bill, but Jeremy does not have change. Jeremy tells Mr. Clark he will give him the change later. How will this affect the total amount of money Jeremy collects? Explain. What rational number represents the change that must be made to the money Jeremy collects?

Answers

Answer:

$20 + $-11.25 = $8.75

Step-by-step explanation:

Can someone please help me find the sum of each interior angle measure of the polygon, and can you please explain. I need help on both of these questions.

Answers

Answer:

I'm sorry I have no clue what this is. What grade are you in? I'm in seventh and I have never learned anything like this lol.

Step-by-step explanation:

3)first you count the sides
There are 8 sides

The equation of of finding the sum of all the interior angles is (n-2)*180
(8-2)*180
=6*180=1080

To find the measure of one interior angles divide the answer by the number of sides
900/8=112.5

4)first you count the sides
There are 7 sides

The equation of of finding the sum of all the interior angles is (n-2)*180
(7-2)*180
=5*180=900

To find the measure of one interior angles divide the answer by the number of sides
900/7= 128.57

Pls help and find both will give brainlest!

Answers

Count all the sides then add them up

Moira mailed two birthday presents in a box weighing 1/4 pound. One present weighed 1/5 pound. The other present weighed 1/2 pound. what was the total weight of the box and presents?

Answers

Answer:

19/20LBS

Step-by-step explanation:

Use the picture were it says a, b, c, d those are the steps

Answers

Answer:

Step-by-step explanation:

MATH SMARTIES I WILL GIVE BRAINLIEST PLEASE ALSO GIVE AN EXPLANATION!!!!!!

Answers

Answer:

A. 1 (or 1x or x in the equation)

B. 1 (or (0, 1) on the graph)

C. y=x+1

Step-by-step explanation:

The formula for slope is rise over run, or rise/run. This means that you take the amount a line rises (or decreases) between 2 points. The run is the distance on the x-axis (___ looking line) that separate the two points. The y-intercept is going to be the point that is on the y-axis, the vertical line (| looking line). To find the equation, you take the slope, multiply that to x, and add the y-value of the y-intercept.

Hope this helps!!

A. 3/4
B. (0,1)
C. Y=3/4x+1

Kay is using cone-shaped party hats as popcorn holders. The party hats have a diameter of 10 inches and a height of 9 inches. How many cubic inches of popcorn will they hold? Use 3.14 for pi. Round your answer to the nearest Cubic inch.

Answers

I think that the answer is B.

The answer should be B

The graph shows the relationship between gravitational potential energy and mass, for objects at a height of 10 meters. What conclusion is supported by the graph?

A) The height of an object does not affect the amount of gravitational potential energy the object has.

B) The mass of an object does not affect the amount of gravitational potential energy the object has. Eliminate

C) An object with greater mass will have less gravitational potential energy than an object with less mass, when the objects are at the same height.

D) An object with greater mass will have more gravitational potential energy than an object with less mass, when the objects are at the same height.

Answers

Answer:

Step-by-step explanation:

Eve wants to buy a balance beam. The original price is $388. How much will Eve pay if she buys it during the sale?

Answers

Answer: I'm sorry but your question does not state how much it was on sale for.

Step-by-step explanation:

Is there another part to go with this? Because I might be able to help.

Also Nezuko channnnn!

Dont guess!
I will mark brainliest if its correct!

Answers

Answer:

c) 40%

Step-by-step explanation:

2.8 + 3.2 + 4.0 =10lb

4.0 ÷ 10 × 100

= 40 %

Answer:

40% The answer is c because 4.0 as a fraction is 2/5 and 2/5 as a percentage is 40%. This is the answer I got so hope it's right and hope it helps!

Step-by-step explanation:

can u plsss help if you d tysm!!

Answers

2,2,and2 because there are 2 sides of a coin, 2 cards, and 2 marbles

What is the volume of this prism?

54 cubic units
16 cubic units
63 cubic units
36 cubic units

Answers

Answer:

62.73 rounding up 63

Step-by-step explanation:

To find volume you multiple lenght times width times height

3*3*6.97

Answer:

36 cube units

PLZZ help with this!!!!

Answers

Answer:

2x² + 15x + 27

Step-by-step explanation:

(2x + 9)(x+3)

2x² + 6x + 9x+ 27

2x² + 15x + 27

Answer:

2x² + 15x +27

Step-by-step explanation:

Using FOIL:

⇒ 2x * x = 2x²

⇒ 2x * 3 = 6x

⇒ 9 * x = 9x

⇒ 9 * 3 = 27

It would add up to; 2x² + (6x + 9x) +27 and simplifying the parenthesis would simplify to 2x² + 15x +27.

GUYS HELP ME PLEASE
this is my last question

Answers

Answer:

C=48, B=42, D=48

Step-by-step explanation:

90 - 42 = 48

C = 48 C is congruent to angle D so angle D= 48 to

Angle A is congruent to angle B so angle B = 42 to

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