Mathematics Middle School

.
A circle has an approximate circumference of 56.50 inches and the radius of the circle was 9 inches? Which expression best represents the value of π?

A. 56.50/9
B. 56.50/18
C. 9/56.50
D. 18/56.50

Answers

Answer 1

Answer:

c

Step-by-step explanation:

Related Questions

Pleaseeeee answer I will mark brainliest for best answer ^>^

Answers

Answer:

D is the right answer

Step-by-step explanation:

if you put 2 negatives together, it would make a plus sign, so the answer is D.

Answer:

D

Step-by-step explanation:

4-(-9)

two negatives make a positive

4+9

EXPERT HELP I'LL GIVE BRAINLIEST: EXPLAIN THE ANSWER

Answers

Answer:

D: A prediction based on data is reliable, because the means of the samples are close together.

Step-by-step explanation:

I got it right:)

Jamal has 30 ounces of a 20% saline solution. This means 20% of the solution is salt. He combines this solution with 25 ounces of a
30% saline solution
What is the total amount, in ounces, of salt in the combined moxture?

Answers

Answer:

13.5 ounces

Step-by-step explanation:

Isn’t it 55 ounces? Correct me if I’m wrong

help plz
.....................

Answers

Answer:37

Step-by-step explanation:

A) The regular price of a sweater is $42.99. It is on sale for $34.39. Find the percent of change to find what percent you will save on the sweater. Round to the nearest percent.
B) How many years will it take for $3,241 to earn $680.61 in interest at a simple interest rate of 7%?
C) Stephanie paid $9.18 for a pair of earrings. This amount includes a tax of 8%. What was the cost of the item before tax?
D) A sales person set a goal to earn $2,000 in May. He receives a base salary of $500 per month as well as a 10% commission for all sales in that month. How much merchandise will he have to sell to meet his goal?
E) ERROR ANALYSIS Describe and correct the error in finding the simple interest earned on $500 at 6% for 18 months.
I=500(0.06)(18)
I = 540
F) BANKING A savings account earns 5% annual simple interest. The principal is $1200. What is the balance after 4 years?
G) Clyde Clumsy was directed to weigh a 500g mass on a balance. After diligently goofing off for 10 minutes he quickly weighed an object and reported 458g. Find the percent error.
H) Jamal needs to purchase a counter top for his kitchen. Jamal measured the counter top as 5 ft. The actual measurement is 4.5 ft. What is Jamal's percent of error? Round to the nearest percent.
I) After eating at a restaurant, Mr. Jackson's bill before tax is $52.50. The sales tax rate is 8%. Mr. Jackson decides to leave a 20% tip for the waiter. How much will the total bill be, including tax and tip?
J) A shirt is on sale for 40% off. The sale price is $12. What was the original price? What was the amount of the discount?
Please help!

Answers

Answer:34.392, 20%= 8.598

Step-by-step explanation:

In a garden, 2/3 of the flowers are roses. Of the roses in the garden, 5/12 are yellow and the rest are red. What fraction of the flowers are red roses?

Answers

7/18 of the flowers are red roses

because 5/12 are yellow, the rest would be red. so 7/12. but total roses are only 2/3 of the whole garden.

tip: when you see "of" in a fraction problem, it means you can multiply them.

so, 7/12 OF 2/3 is just (7/12) * (2/3).
multiplying straight across and simplifying will get you to 7/18!

the net of the rectangular pyramid is shown which expression can be used to find the surface area of the pyramid? choose all that apply​

Answers

Answer:

One answer is B.

Step-by-step explanation:

This will be most likely the answer. Your welcome for this answer is this helpful, but if it's not then I am sorry for my poor answer.

Pls i need help its due in 30 minutes pls

Answers

Answer:

your hand -3 your partners -1

Step-by-step explanation:

add then subtract

Find the distance between each pair of the points


Only 8 and 9 needed

Answers

The pic is kinda fuzzy looking
8. 8 and 11
9. 5 and 4
distance is never negative!

A total of 76 students responded to a survey about transportation to school. Of the girls surveyed, 22 walk to school and 29 get a ride. Of the 25 boys surveyed, 9 get a ride to school. Construct a two-way frequency table to display the data. Drag the numbers into the boxes. Each number may be used once, more than once, or not at all.​

Answers

Answers:

From as I can see. You need to do a long division on 76 and 9 and then if you got the answer subtract the answer with the girls surveyed and you'll get the answer and multiply the answer with the boys surveyed and then add all the answers together. Hoped this help!!! :)

Challenge level easy


Translate the phrase into an algebraic expression.
The product of 5 and x


I challenge u guys to answer this if u want harder ones I will be posting them in a little

Answers

5x :) because 5 times x is 5x

Answer:

its just 5x lol!

Step-by-step explanation:

Please help Kim purchased white vases, red vases, and flowers to create centerpieces for an event. The flowers cost a total of $397 and each vase cost $8. If w and r represent the number of white and red vases purchased, respectively, which of the following expressions represents the total cost of the centerpieces?

I.
II.
III.
IV.
A.
II and IV only
B.
I, II, and III only
C.
I only
D.
I and III only

Answers

The answer is B I hope that helps

Please help im not good at math

Answers

You would make a graph and mark the points on the graph to find the slope
Slope =-2
-2-(-4)/2-3
-2+4/-1
2/-1=-2

Giving brainliest! This is very urgent :))

Answers

Answer:

3/4 and 6/8

Step-by-step explanation:

The ruler is split into 8 parts, and this point is 6/8 of the ruler, if you simplify that fraction you get 3/4.

Answer:

3/4 and 12/16

Step-by-step explanation:

If you see there are 8 ticks. So it will go 1/8 to 8/8 or 1. Then you see the arrow is at 6/8. So you divide both by 2 to get 3/4 and multiply by 2 to get 12/16.

Which of the following describes two triangles that are similar to one another?

A. triangle 1: m<1 =67o, m>2 =15o

triangle 2: m<1 =15o, m>2 =95o

B. triangle 1: m<1 =24o, m>2 =101o

triangle 1: m<1 =65o, m>2 =101o

C. triangle 1: m<1 =45o, m>2 =80o

triangle 1: m<1 =59o, m>2 =45o

D. triangle 1: m<1 =71o, m>2 =32o

triangle 1: m<1 =71o, m>2 =77o

Answers

I think the answer is B but I’m not sure

just please help me!!!

Answers

Answer:

the last one

3x-y=1

-2x+y=-4

Step-by-step explanation:

Answer: the last one is correct

Write the inequality to represent the situation: "x can be no more than 5." Copy/paste the symbols if you need to: < > ≤ ≥ *

Answers

Answer:

I think it would be ≤

Step-by-step explanation:

I think it may be that because it claimed to say "Can be no more than 5".

So that means it can be equal and less than 5. But no more than five.

The sign i choose means Can be equal or less than.

Hope this helps! <3

Attachment Below: For anyone who likes Brain Puzzles: Help PLS! Lol I suck at math

Answers

the correct code is CAHF.

Step-by-step explanation:

1)

1=1

2=3

3= 2m+b

1=m+b

2= m

slope= 2

(C)

2)

b= 7

4= m+7

m= -3

slope = -3

(A)

3)

28= 4m+ b

18= 2m+b

10=2m

m= 5

(H)

4)

b= -4

2-= 2 m-4

2m= 2

m= 1

(F)

the code is : CAHF

helpp meee again ToT!

Answers

Answer:

4 one

Step-by-step explanation:

......................answer

Answers

1) agriculture
2) actually 30 people died so I think the answer of 5 million were exposed to radiation
1) agriculture
2) 5 million people were exposed to radiation

Angela's favorite store is having a 20% off
sale on the entire store. If Angela buys a
sweater that is normally $32, how much wil
she pay for the sweater during the sale?

Answers

Answer:

6.40

Step-by-step explanation:

21.76 because if you take 32 from 100 you have 68 and if you convert that to a decimal you have 0.68 and if you times 32 by 0.68 you get 21.76

If x = 4 units, y = 12 units, and h = 8 units, find the area of the parallelogram shown above using decomposition.

Answers

Answer:

if by decomposition you mean breaking it into parts then

break it into 2 triangles and 1 rectangle

left to right

triangle with base y and height h

h=10

y=3

area of triangle=1/2bh

area=1/2(10)(3)

area=5(3)

area=15

rectangle of length x and height h

area= length times width

x=8

h=10

area=8 times 10

aera=80

last triangle

should be same as other since same base (y) and same height (h)

15

add

15+80+15=120

Step-by-step explanation:

Yes she is correct all in total you will get the answer of 120

please help graphing slop

Answers

Answer:

                                             

Step-by-step explanation:

i need another big brain.........please and thank you ;P

Answers

Answer: 8 ft

Step-by-step explanation:

Find perimeter:

14 + 14 + 15 + 15 = 58 ft

Since we're finding how many more ft of fencing she needs we subtract:

58 - 50 = 8 ft

Answer:

the answer is 8ft I'm sure

which statement is correct?

Answers

Answer:

I think it is

A.) AB is perpendicular to MN

Step-by-step explanation:

Answer:

I believe its A

The measures of three line segments are given in each set.

Which set of line segments cannot form a triangle?


20.2 m, 20.4 m, 20.6 m

32.8 m, 48.2 m, 81.1 m

12.8 m, 25.7 m, 35.9 m

35.6 m, 49.9 m, 83.2 m

Answers

Answer:

second option: 32.8 m, 48.2 m, 81.1 m  

Step-by-step explanation:

20.2 m + 20.4 m = 40.6 m.  which is bigger than 20.6 m. so yes  

32.8 m + 48.2 m = 81 m.  which is smaller than 81.1 m. so no  

12.8 m + 25.7 m = 38.5 m. which is bigger than 35.9 m. so yes  

35.6 m + 49.9 m = 85.5 m. which is bigger than 83.2 m. so yes

The image shows the dimensions of a pool.

Answers

Answer:  D) 198 square meters

======================================================

Explanation:

Extend the side that's 9.5 meters long out to the left so that you form a trapezoid on top and a rectangle underneath. The side we extended is now 5+9.5 = 14.5 meters long.

Let

A = area of the trapezoid up topB = area of the rectangle underneath

The goal is to find A+B

The trapezoid has the parallel sides of 14.5 and 10 meters. The height of the trapezoid is 28-20 = 8 meters. So we can say

Area of trapezoid = height*(base1+base2)/2

A = h*(b1+b2)/2

A = 8*(14.5+10)/2

A = 98

The rectangle has area of B = length*width = 5*20 = 100 square meters

Therefore,

total area = A+B = 98+100 = 198 square meters.

I

I

I
I will give brainleast
A company rents out 11 food booths and 24 game booths at the county fair. The fee for a food booth is $175 plus $5 per day. The fee for a game booth is $50 plus $7 per day. The fair lasts for d days, and all the booths are rented for the entire time. Enter a simplified expression for the amount, in dollars, that the company is paid.

The expression is .

Answers

Check your last post :) I answered this

Answer:

3,125+223d

Step-by-step explanation:

11(175+5d)

24(50+7d)

distrubute

1,925+55d

1,200+168d

combine like terms

3,125+223d

Can you please check over my answer for volume and help me with the surface area?

Answers

Answer:

the surface area of the figure is 622 m ^2

the volume of the figure is 494 m ^3

Step-by-step explanation:

-you find the surface area for the rectangular prism and the triangular prism and add both answers.

- Rectangular prism S.A : 382 ^ 2              382m ^2 + 240m ^2 = 622 m ^2

-  triangular Prism S.A : 240 ^ 2        

-same thing with the volume,find the volume of the rectangular prism and the triangular prism and add those answers to find the total volume of your figure.

- Rectangular Prism  Volume : 380 m^3         380 m ^3 + 114 m ^3 = 494 m ^3

- Triangular Prism  Volume :  114  m ^3

formula for volume of a rectangular prism : V = w * l * h

formula for volume of a triangular prism : V  = A * h

formula for surface area of a triangular prism simplified :

find the area of your base [area of the triangle on your triangular prism and since you have 2 multiply by 2,formula for area of 2 bases: A= 2 (1/2 * b*h) ) ]

next step-

formula for a surface area of a rectangular prism : 2 (w*l + l*h + h*w )

a-area      w- width     l-length    

h-height  s.a -surface area

Y is what times X? No explanation please. Thank you.

Answers

Answer:

0x4, 0x8

Step-by-step explanation:

Answer:

y= 1/4x

Step-by-step explanation:

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