Mathematics Middle School

If 84 out of 150 students plan to attend the school dance how many students out of 750 would you expect to attend

Answers

Answer 1

Answer:

420

Step-by-step explanation:

because 150-84=66

750:150=5

84*5=420

Answer 2

the answer is 420 hope this helps :)

Related Questions

how many times would you expect to roll a number less than 3 if you roll the dice 50 times

Answers

There are 6 sides on the die and each have a equal chance of being landed on. The numbers less then 3 are 1 and 2 which are 1/3 of the numbers on the cube. 1/3 of 50 is 16 and 2/3 so around 17 times

Find the surface area of the cylinder. Use pi=3.

Answers

Answer:

SA= 87.96

Step-by-step explanation:

SA= 2πrh+2πr2

SA= 2·π·2·5+2·π·22

SA= 87.96

Answer:

Step-by-step explanation:

2*3*2*5+2*3*2^2

6*10+6*4

60+24

A triangular prism is 28 feet long and has a triangular face with a base of 24 feet and a height of 16 feet. The other two sides of the triangle are each 20 feet. What is the surface area of the triangular prism?

Answers

Answer:

1743.25

Step-by-step explanation:

Please help me with number 3

Answers

62 degrees is the answer 90-28 =62

We can see that the lines that meet to form angle x create 90 degrees. So, x = 90°.

Angle y = 90° - 28°

So, y = 62°.

Gabby just joined a new yoga studio. The studio charges a monthly fee plus an extra fee for each class students attend. The monthly cost for attending c classes is 20.50+2c dollars. Gabby plans to attend 9 classes this month.
What price will Gabby pay if she attends 9 classes this month?

Answers

20.50 multiplied by 9

HELPPPPPPPPPPPPPPPPPPPPP PLZZZ SHOW YOUR WORK TOO

Answers

Answer:

Step-by-step explanation:

A. 15 they say that in the chart

Please help me!! 20 pts!
Select the correct answer from each drop-down menu.
A number is 5 more than 3 times another number. The sum of the two numbers is 33. As an equation, this is written x + 3x + 5 = 33, where x represents the smaller number. Plug in the numbers from the set {3, 5, 7, 9} to find the value of x.
The value of x that holds true for the equation is BLANK 1. So, the smaller number is BLANK 2 and the larger number is BLANK 3.

Blank 1:
3, 5, 7, 9
Blank 2:
3, 5, 7, 9
Blank 3:
24, 26, 28, 30

Answers

Answer:

look below. brainliest pls :)

Step-by-step explanation:

Blank 1: 7

Blank 2: 7

Blank 3: 26

To find the value of x, we need to substitute each number from the set {3, 5, 7, 9} into the equation x + 3x + 5 = 33 and see which value satisfies the equation.

Let's try each number one by one:

For x = 3, the equation becomes 3 + 3(3) + 5 = 3 + 9 + 5 = 17, which is not equal to 33.

For x = 5, the equation becomes 5 + 3(5) + 5 = 5 + 15 + 5 = 25, which is not equal to 33.

For x = 7, the equation becomes 7 + 3(7) + 5 = 7 + 21 + 5 = 33, which satisfies the equation.

For x = 9, the equation becomes 9 + 3(9) + 5 = 9 + 27 + 5 = 41, which is not equal to 33.

Therefore, the value of x that holds true for the equation is 7. So, the smaller number is 7 and the larger number can be calculated by adding 5 to it, resulting in 7 + 5 = 12.

who ever gets this will get a brainlest

Answers

Answer:

fract is 1/2

decimal is 0.5

percent is 50%

Step-by-step explanation:

People leaving a movie theater were randomly sampled and asked their age. Which stem-and-leaf plot
correctly displays the data for this sample?
13, 17, 27, 34, 36, 58, 64, 66, 87, 91

Answers

Answer:

The second one

Step-by-step explanation:

1 | 3, | 7 |

is 13 and 17

Answer:

Its the 4 one but the picture didnt show it. i just got the second one on the picture wrong.

The ratio of Chocolate to Batter is C : 1, which is the unit rate.

Use the table to determine the value of C

Chocolate (cup) Batter (cup)

1/2 1

2 4

3 6

A. 2

B. 1

C. 2/3

Answers

I think it may be 2:1 (answer A)

it's the best I could think of

hope this helped!

It’s A your welcome;)

Accidentally clicked A, but which one is it. Kinda confused

Answers

Answer:

The answer is C, b>=16

Explanation:

Since the question says at least -16 then that means that it can be greater than or equal to so C is your answer.

I think the answer is C since the number b is at least 16

Pls help One simple easy question

Answers

Answer:

c not hundred percent sure

Step-by-step explanation:

Answer:

c but some of them i dont remember ok

Ava kept track of the number of goals her team scored each game. What is the median of the number of goals scored?

Answers

Answer:

Step-by-step explanation:

help please... This is due soon

Answers

C is the right answer

Answer:

i think it is c

Step-by-step explanation:

I need help! Will give high amount of points, 5 stars and brainiest if you help me get it right. Must explain how you got your answer I have to show my work (thanks).

Answers

Answer:

9. Supplementary (angles adds to 180)

10. complementary (angles add to 90)

11.

6x+4=10x

/6x

4=4x

x=1

12.

8+7

90/15

x=6

Answer:

9. Supplementary Angle

10. Complementary Angle

11. Supplementary Angle

12. Complementary Angle

Step-by-step explanation:

I don't know how to solve the xs, but Supplementary angles means two angles that add to equal 180 degrees. And Complementary angles means two angles that add to equal 90 degrees.

Question is in the picture below
Will give brainliest so no links^^

Answers

Answer:

i think its a :DDDDDD this helps

Answer:

i think the answer is A.

Step-by-step explanation:

1000/1 = x/4200

x = 4200 x 1000

x = 4200000grams

A survey in one middle school showed that 4 out of 9 students help cook meals at home. Predict how many out of the 720 students in the school help cook meals at home.

Answers

Answer:

yes b

Step-by-step explanation:

yes

(giving brainiest and thanks on the answer and question if correct!

Answers

Answer:

The first one

Step-by-step explanation:

... It just is the right one

Pools are not selling well at Jay’s Store. So, he decides to put them on clearance for $19.99, plus an extra 20% off. Approximately how much will the small pool cost?

Answers

I think it’s 15.99 dollars

Answer should be $15.99

PLS PLS PLS PLS HELP I WILL MARK BRAINLIEST!!

Answers

Answer:

A. 9.20 and -14.5

Step-by-step explanation:

9.20 and -14.5

See answer details down below

Steve flipped a coin 10 times and recorded his results in this chart.

Part C: Did Steve’s EXPERIMENTAL result match the THEORETICAL probability of a coin landing heads up? If the probabilities are not the same, explain at least one possible reason for the difference.

Answers

They are not the same but very close, the reasoning for this is that theoretical things are not 100% accurate therefore meaning that the answers with a real experiment may vary.

it’s 100% accurate i did this before

Please help! Look at the picture.

Answers

Answer:

It took each girl 1/8 hour to print their project.

Step-by-step explanation:

1/2 hour = 30 minutes

30 minutes / 4 girls = 7.5 minutes for each girl to print their project

7.5 minutes / 60 minutes in an hour = 0.125 or 1/8 hour

Hope this helps!

HELP PLEASE?
I really need it

Answers

The vertical height is h= 3 units

Chloe needs to swim a total of 9 miles this week. So far this week , she swam 5 5/8 miles. Use the equation 5 5/8 + m =9 to find out how many more miles Chloe needs to swim.

Answers

Alright, so all we have to do here is solve the equation!

5 5/8 + m = 9

m = 9 - 5 5/8

Now is the tricky part - doing the subtraction! Let's change 9 to 8 8/8 (which is still equal to 9).

m = 8 8/8 - 5 5/8

Then we can subtract fairly easily!

m = (8 - 5) + (8/8 - 5/8)

m = 3 3/8 miles

Hope this helps!! :)

Answer:

what the person before said (:

Step-by-step explanation:

Several years ago, the average serving size of beef at restaurants was 5 ounces. Due to changing restaurant trends, the average serving size is now 20% larger. What is the current average serving size?

Answers

Answer:

Step-by-step explanation:

Answer:

6 ounces

Step-by-step explanation:

20% of 5

0.20 x 5 = 1

5 + 1 = 6

i need help 8th grade math

Answers

Answer:

9.5

Step-by-step explanation:

Since it's PER, that means the choice is with the variable

y = 9.5x + 0.4

Her average speed PER seconds is 9.5

9.5
Give the guy on top credit

Please help me...
I don't understand this...

IF YOU DON'T KNOW , DO NOT ANSWER!

Answers

cut the shapes into shapes you know and solve for two area and add together

This is a mediocre example, hope it helped

find the area of the figure fast please

Answers

Answer:

114

Step-by-step explanation:

solve for the area of the rectangle (length times witdh) and then add that to the area of the traignles (1/2 times bgase times height)

consider the functions [tex]f(x)=3+10x, g(x)=2^x and ,h(x)=5x^2.[/tex] which function will have a the greatest output when x=0

Answers

Answer: 5 i think

Step-by-step explanation:

Circle the graph(s) that represent a function

Answers

Answer:

Bottom Middle

Step-by-step explanation:

Alpha Y= -2x-2

Alpha y= -2x2 hope this helps you

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