Mathematics Middle School

25 students were randomly sampled about their favorite class,
Math=18 students
Science=2 students
English=2 students
Other=3 students
Predict the number of students in an entire school of 300 students whose favorite subject is math.

Answers

Answer 1
Math = 18/25 = 0.72 = 72%

300 x 0.72 = 216 students

Related Questions

what is 2 to the power of -1 + 1/2?

Answers

Answer:

The answer is 1

Step-by-step explanation:

2^-1 is basically turning it into 1/2. And the rest is history

Answer:

1

Step-by-step explanation:

can you pls make me BRAINLYS

solve please
ab - cd = 0
solve for C

Answers

c= ab/d


step by step:
1. isolate the term in C, ab=cd
2. divide both sides by the coefficient of c, which is d
ab/d = cd/d
3. the d’s cancel
ab/d=c
but to make it look nicer, c= ab/d. both answers are correct though!

Answer:

c = ab / d

Step-by-step explanation:

ab − cd = 0

Add -ab to both sides:

ab − cd+− ab= 0 +− ab

−cd=−ab

Divide both sides by -d:

− cd/−d = − ab /−d

c = ab / d

Write an equation with a slope: -3/4 and y-intercept: -1/4

Answers

Answer:

y = (-3/4)x - 1/4

Step-by-step explanation:

Use the slope-intercept formula y = mx + b.  Here m = -3/4 and b = -1/4, and so:  y = (-3/4)x - 1/4

The equation of the line with slope  -3/4 and y-intercept is -1/4 is y=-3/4x-1/4.

What is slope intercept form of line?

The slope intercept form of a line is y=mx+b, where m is slope and b is the y intercept.

The slope of the line is the ratio of the rise to the run, or rise divided by the run.

It describes the steepness of line in the coordinate plane.

The slope of line passing through two points (x₁, y₁) and (x₂, y₂) is

m=y₂-y₁/x₂-x₁

Given that the slope is -3/4 and y-intercept is -1/4.

We have to find the equation of line with slope -3/4 and y-intercept is -1/4.

m=-3/4 and b = -1/4

Now plug in these values in slope intercept form y=mx+b

y=-3/4x-1/4

Hence, y=-3/4x-1/4 is the equation of the line with slope  -3/4 and y-intercept is -1/4.

To learn more on slope intercept form click:

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33.
Find the value of the expression: (5 + 7)2
a. 24 c. 144
b. 74 d. 54

Answers

Answer: a. 24

Step-by-step explanation:

We will simplify using PEMDAS.

Given:

(5 + 7)2

Add:

(12)2

Multiply:

24

              a. 24

Hello!

[tex](5+7)2[/tex]

[tex]5+7=12\\12*2=24[/tex]

Your answer would be A. 24

Hope this helps!

What is the value of

Answers

Answer: option 1

Step-by-step explanation:

Answer:

1. Is the correct one.

Step-by-step explanation:

Will give brainliest to the best or first answer!

Answers

Answer: Not what's written down.

Step-by-step explanation:

Okay, so basically, if you have a letter, no other number can go with that number with a letter. So like 5x + 2b -7.

There is only one number that has x, so 5x.

Same with b. 5x + 2b.

Now, there is no letter with the 7, so that will stay the same.

So, the answer is 5x + 2b -7.

Now, I look at your question.

If I do all of the work I just showed, the answer is C.

The answer should be D because the rest just don't really make sense. Your trying to find x, which is the number of lawns that each would have to mow in order for Tim and Matt to make the same amount of money.

The library loans 4 times as many non-fiction books as it does
fiction books. Write a rule for the relationship between the two
variables. Use n for non-fiction and f for fiction.

Answers

N * 4 =f
We know there are 4 times as many non-fiction books as there are fiction books so we would have to multiply non-fiction by 4 to figure out how many fiction books there are

The rule for the relationship between the nonfiction and fiction books as an expression is n = 4f.

We have,

Let's write a rule for the relationship between the number of non-fiction books (n) and the number of fiction books (f) based on the given information.

We are told that the library loans 4 times as many non-fiction books as it does fiction books.

This means that the number of non-fiction books (n) is equal to 4 times the number of fiction books (f).

Mathematically, we can express this relationship as:

n = 4f

Where:

n = Number of non-fiction books

f = Number of fiction books

Thus,

The rule for the relationship between the nonfiction and fiction books as an expression is n = 4f.

Learn more about expressions here:

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What is the actual area of Julio's kitchen floor?

Answers

Answer:

area=2Πr(r+h)

area=hhhhhh

hhhhhhhhh

hhhhhhh

2.56 feet long ant I know thx j and you know I have to do it all the way through and forth with my family emergency I am not trying anything for you

8(5-2x)=24

Solve x. Pls show working

Answers

distribute the terms

-16x+40=24

subtract 40 from both sides

-16x - -16

divide both by 16

x = 1

First multiply 8 times 5 and 8 times -2x since 5 and to -2x our in the parentheses. Now you have 40-16x=24. Subtract 40 from both sides to get -16x=-16. Finally divide both sides by negative 16 to get x alone. The answer is x=1. Remember that whatever you do on one side you must do to the other side.

Martin Luther King Jr was 5 feet tall, 7 inches (67 inches) tall. The statue is 30 feet tall. What is the ratio of Martin Luther King Jr's actual height to the statue?

Answers

Answer:

67 inches : 360 inches

Step-by-step explanation:

30 feet = 360 inches

Martin Luther King Jr : Statue

                              67 : 360

                             

The ratio of Martin Luther King Jr's actual height to the statue is 67 : 360.

What is a ratio?

The ratio shows how many times one value is contained in another value.

Example:

There are 3 apples and 2 oranges in a basket.

The ratio of apples to oranges is 3:2 or 3/2.

We have,

Martin Luther King Jr height = 5 feet tall and 7 inches

This is 67 inches tall.

The statue height = 30 feet tall.

This is 12 x 30 = 360 inches

Now,

The ratio of Martin Luther King Jr's actual height to the statue.

= 67 : 360

Thus,

The ratio is 67 : 360.

Learn more about ratios here:

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Please answer need the extra credit
*count a pair of shoes as a singular unit *

Mary oversees shoe suppliers from 3 places. she is trying to supply for
retail stores.

supplier A has 4 crates of shoes plus six loose pairs
supplier B has 6 crates of shoes, but one pair is missing
supplier C has 10 crates plus five loose pairs

assume each crate contains an equal number of shoes, write an expression describing the total number of shoes available.

write another expression describing the number of shoes available for each retail store if the shoes are divided equally among stores.

Answers

Answer: 20c + 10.

Step-by-step explanation:

(c represents crates)

I wrote each equation separately first.

Supplier A: 4c + 6

Supplier B: 6c - 1

Supplier C: 10c + 5

We can add all the cs from each supplier giving us 4c + 6c + 10c which equals 20c. Now we can add the extra shoes as, 6 + (-1) + 5 equaling 10. I wrote -1 because we are missing that shoe, but you can write it as 6 - 1 + 5 instead. Together the two numbers make the equation 20c + 10. Hope that helps : )

I got the answer 20c+10

4c+6 for supplier A
6c-1 for supplier B
10c+5 for supplier C

Combining the like terms of C you would get 20c
Then combining the other number (-1,6,5) you get 10

Holland added three decimals that made a sum of 2. One of the decimals was 0.34.

What are two other decimals Holland could have used to make a sum of 2? Explain how you know.

Answers

2 - 0.34 = 1.66

0.96 + 0.7 = 1.66

Holland could have used 0.96 and 0.7 (or any other 2 decimals that add up to 1.66).

The two other numbers could be 0.83.

First, do the equation 2 - 0.34 = 1.66.

Next, divide 1.66 ÷ 2 = 0.83.

Finally, add 0.83 + 0.83 + 0.34 = 2.

So the two other decimals Holland could do is 0.83.

divide the sum of 3/2 and 5/7 by their difference

Answers

For 3/2 it’s 1 1/2 and for 5/7 it’s 0

Answer:

hope it helps ☜☆☞o==[]::::::::::::::::>

answer is 2 1/10

Complete the inequality statement. 40 cm ___ 4 m
>
=

Answers

4 m is larger is that what you are asking
the answer is > (greater than)

hopes this helps :)

HURRRRRRRRRRRRRRRRRRYYYYYYYYYYYYYYYYY

Answers

C it’s korrect now 123456
C iz correct anwser

Please help ill give you lots of points
the cost of a8 CDS plus the sales tax of 1.34 is 105.26 dollars
make an equation

PS I'm desperate

Answers

Answer:

12.99x+1.34 is your equation.

Step-by-step explanation:

1.34 is the constant, so take that from the total since it’s not the actual price per CD. 103.92 is the price for all 8 CDs together, so divide that by 8 to get the price per CD.

Multiply or Divide. Write fractions in simplest form.

Answers

Answer: -7/26

Step-by-step explanation:

7/3/(-2), answer: -7/26

Which statement about Maria's claim is accurate?

Answers

Answer:

maria is incorrect because she didn't subtract the exponents

Maria is incorrect becuase she didnt extract the exponents

12 pizzas on 2 plates = ___ plates per pizza

Answers

Answer:

Step-by-step explanation: 12X2=24 pizza pieces on the two plates in all.

24 is you’re answer because you have 12 pizzas on 2 plates 12•4=24

PLEASE HELP!! TIMED!

A line is defined by the equation y= 2/3x-6. The line passes through a point whose y-coordinate is 0. What is the x-coordinate of this point?

Answers

the answer at the top is correct
Y=2/3X - 6
0 = 2/3X - 6
6=2/3X
X=9

Find the value of the expression: 3 ⋅ (2 + 6)2
a. 114 c. 48
b. 192 d. 144

Answers

Answer:

48

Step-by-step explanation:

first, we will use the distribution property: a (b + c): (ab + ac)

[3(2) + 3(6)] 2

now we will multiply

(6+18)2

(24)2

=48

2+6=8
8x2=16
16x3=48
answer is c

The SSS rule is used to prove what property?

1.) It's used to show that polygons are similar if their corresponding sides are proportional.

2.) It's used to show that (triangle symbol)s are congruent if their corresponding sides are congruent.
(won't let me use the triangle looking symbol)

Answers

Answer:

2

Step-by-step explanation:

(SSS) says triangles are congruent if three sides of one triangle are congruent to the corresponding sides of the other triangle.


2.) It's used to show that (triangle symbol)s are congruent if their corresponding sides are congruent.

Please answer need the extra credit
*count a pair of shoes as a singular unit *

Mary oversees shoe suppliers from 3 places. she is trying to supply for
retail stores.

supplier A has 4 crates of shoes plus six loose pairs
supplier B has 6 crates of shoes, but one pair is missing
supplier C has 10 crates plus five loose pairs

assume each crate contains an equal number of shoes, write an expression describing the total number of shoes available.

write another expression describing the number of shoes available for each retail store if the shoes are divided equally among stores.

Answers

that’s is the right answe
The answer is A bc it is.

Determine whether the measures for the figure shown proportional.

A. the length of a side and the perimeter

B. the length of a side and the area

Answers

Answer: 5 length & width

Step-by-step explanation:

Since this is a square all sides would be the same length & width which would be 5 because each side is symmetric. So if you do 5 times as many sides as there is (5 x 4) it would give you 20

So the LENGTH of EACH side is 5 and the AREA in total or PREMIETER would be 20 all together.

(hope this helps)

5 length and width no explanation

A bee flies 6 feet per second directly to a flowerbed from its hive. The bee stays at the flowerbed for 14 minutes, and then flies directly back to the hive at 4 feet per second. It is away from the hive for a total of 19 minutes. A. what equation can you use to find the distance of the flowerbed from the hive? B. How far is the flowerbed from the hive? Let d be the distance of the flowerbed from the hive.

Answers

Answer:

5 minutes

Step-by-step explanation:

d / r = t

The bee is flying for 19 - 14 minutes

(d / 6) + d / 4) = 5

Answer: 25 feet

Step-by-step explanation:

19 - 14 = 5

total travel time = 5 min

av. between 6 and 4

= 6+4÷2 = 5

5 feet per sec × 5 min = 25 feet

An almirah is sold at Rs 5225 after allowing discount of 5%. Find its marked price.

Answers

Answer:

Rs. 5500

Step-by-step explanation:

Original Price = P, say

Discount = 5% = 0.05

Sale Price = P(1-0.05) = 5225

So P, the marked price = 5225/0.95 = 5500

Apply the percentage decrease rule/formula.
5225 - (5225 x 5/100)
Answer = 4,963.75
The marked price after the 5% discount

Aman had to sell his television at a loss of 12%. If the selling price was
Rs.7040, what was its cost price? Explain step by step please.

Answers

this is the explanation i hope it will be good

So formula is

1200*12/100

12*12=132

The weight limit for checked baggage at the airport is 50 pounds. What is the limit in kilograms?
Answer Choices:
A. 22.7 kg
B. 50 kg
C. 110 kg

Answers

Answer: A. 22.7Kg

Step-by-step explanation:

Pounds to Kg = /2.205

50/2.205 = 22.7Kg (Rounded)

A 22.7 because when you change 50 pounds into kilograms you get 22.7

Two integers, n and p, have a product of -10. What is the smallest possible sum of n and p? Explain your strategy.

Answers

Answer: -5 x 2

Step-by-step explanation:

Multiply −5 and 2 to get −10.

To end up with a negative make sure to put a negative number inside the problem with a positive number.

-5X2 because multiplies to -10

Which statement is the best comparison between the populations of the two continents in 2008

Answers

Answer:

Africa population is 2X larger than North America

Step-by-step explanation:

9.67x10⁸ = 967000000 which is 2 times more than north america which is 529 million

Answer:

Africa's population was about 2 times larger than North America's population in 2008

Step-by-step explanation:

9.67*10^8 = 967000000 = 971 million

971 million = Africa

529 =  north America

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