75% of students were boys. there 18 boys in the class wht is the total number of students

Answers

Answer 1

Answer:

the answer is 24.

Step-by-step explanation:


Related Questions

Which Expression represents 8 less than 3 times?

Answers

Answer:

3x-8

Step-by-step explanation:

if 8 less than something it means subtract, example:

8 less than 21 = 13

and plus u said 3 times x and when multiplying by a variable(letter) you can put them together, example:

3 times x = 3x

The given statement can be written as expression as -

f(x) = 3x - 8

What is a expression? What is a mathematical equation? What do you mean by domain and range of a function?A mathematical expression is made up of terms (constants and variables) separated by mathematical operators.A mathematical equation is used to equate two expressions.Equation modelling is the process of writing a mathematical verbal expression in the form of a mathematical expression for correct analysis, observations and results of the given problem.For any function y = f(x), Domain is the set of all possible values of [y] that exists for different values of [x]. Range is the set of all values of [x] for which [y] exists.

Given is the statement -

8 less than 3 times

We have -

Assume the number to be [x]. Then -

f(x) = 3x - 8

Therefore, the given statement can be written as expression as -

f(x) = 3x - 8

To solve more questions on Equations, Equation Modelling and Expressions visit the link below -

brainly.com/question/14441381

#SPJ2

For the inverse variation function y = klx (where x,k > 0), what happens to the value of y as the value of x increases? increases c. increases then decreases b. decreases d. decreases then increases a Please select the best answer from the choices provided​

Answers

Answer:

B Decrease

Step-by-step explanation:

Answer:

B

Step-by-step explanation:

EDGE2021

True OR False
The lengths 21, 42, and 15 make a right triangle.

Answers

Answer:

I think its false. sorry if I'm wrong

Step-by-step explanation:

If im right can u give me Brainliest?

no! if it’s a right triangle it has to have a right angle.
there’s no 90 degrees in that list.

What's equivalent to 2/5?

Answers

Answer: 4/10 , 6/15, 8/20,

Step-by-step explanation:

Answer:  Equivalent fractions of 2/5 : 4/10 , 6/15 , 8/20 , 10/ Equivalent fractions of 3/5 : 6/10 , 9/15 , 12/20 , 15/

Step-by-step explanation:

Pleaseee help pronto ......

Answers

Answer:

C

Step-by-step explanation:

you can see the proportion is right because you get 5 cucumbers for 2 dollars. for double cucumbers times by two which equals 4 dollars. Times 5 by three because it's 3 times bigger meaning it has to equal 6 dollars and finally times 2 by 4 making 20 cucumbers cost 8 dollars.

points match up with the real number system
Group of answer choices

fraction

number line

reciprocal

numerator

Answers

number line , if the points match up with the real number system it’ll be number line, it wouldn’t be a fraction, because a fraction is part of a number, it wouldn’t be a numerator because the numerator is part of a fraction, it would not be reciprocal

Estimate the answer by rounding each fraction to the nearest whole number and then subtracting.

Answers

Answer:

5

Step-by-step explanation:

estimated would be 8 - 3

To solve the problem we must know about fractions.

What is a Fraction?

A fraction is a way to describe a part of a whole. such as the fraction  [tex]\frac{1}{4}[/tex] can be described as 0.25

What is a Mixed Fraction?

A mixed fraction is a fraction that contains a whole number and a fraction whose denominator is greater than the numerator.

The solution to this problem is [tex]5\dfrac{13}{40}[/tex].

Given to us

[tex]8\frac{1}{5}-2\frac{7}{8}[/tex]

Converting the mixed fractions to fraction

[tex]8\dfrac{1}{5}-2\dfrac{7}{8}\\\\=\dfrac{(8 \times 5)+1}{5}-\dfrac{(8\times 2)+7}{8}\\\\=\dfrac{41}{5}-\dfrac{23}{8}\\\\[/tex]

Taking LCM,

[tex]=\dfrac{41\times 8}{5\times 8}-\dfrac{23\times 5}{8\times 5}\\\\=\dfrac{328}{40}-\dfrac{115}{40}\\\\=\dfrac{328-115}{40}\\\\=\dfrac{213}{40}[/tex]

Converting to Mixed Fractions,

[tex]=5\dfrac{13}{40}[/tex]

Hence, the solution to this problem is [tex]5\dfrac{13}{40}[/tex].

Learn more about Fraction:

https://brainly.com/question/1301963

Please Help!
I'm in a hurry!​

Answers

Answer:

-2 due to the y axis having the line run through the -2

Answer:

Y-intercept is -2. Equation is y=1x-2

Step-by-step explanation:

#NotATest.

You probably don't want an explanation.

The y-intercept is -2 because that is where the line meets the y-axis.

The slope is 1 because the line is going up 1 unit, and over 1 every time.

The last part is -2 because that is the y-intercept.

Hope this helps!

3/5-x/9=2/15-2x/45 can someone help I don’t understand

Answers

Isolate the variable by dividing each side by factors that don't contain the variable.
x
=
7

can someone please help me asap

Answers

Answer:

c= 70?

a= 66? I think im not too sure

PLEASE HELP :(

Solve a system of equations using substitution.

6x - 2y = 10
2x + 3y = 51

Solving the first equation above for y gives:

y = __ x - 5​

Answers

Answer:

y=3x-5

Step-by-step explanation:

took the test yesterday and got it right

Figure I and Figure II are similar pentagons. Figure 1 4.2 cm Figure II 4 cm 5.25 cm 6 cm y cm 6 cm 3 cm 3.15 cm 7 cm Which proportion must be true

A Y/X = 4.2/3.15
B 6/X = 5.25/7
C Y/6 = 7/5.25
D X/4 = 3/6

Answers

Answer: I believe it’s c because I have that question on my test and c was the correct answer for me sorry if it didn’t work

Step-by-step explanation:

If a = -4, then what is the value of -a?
OA.
5
OB.
4
OC. 0
OD
D. -4

Answers

D I think the answer is D

John order sneakers online. He ordered 2 pairs of Nikes at $50 each and 4 pairs of Yeezy's at $100 each. He also paid a shipping fee of $20. Write an expression to represent the total amount he paid. (Just write the expression do not solve)​

Answers

Answer:

2(50) + 4(100) + 20 = total

Step-by-step explanation:

Which fractions are equivalent to 1/3
2/6
2/5
4/12
3/8
2/3​

Answers

Answer:

2/6

4/12

2 / 2 = 1

6 / 2 = 3

4   / 4 = 1

12 / 4 = 3

Determine the solution for x^2+2x+8

Answers

Answer:

[tex]x=-1-i\sqrt{7}[/tex], [tex]-1+i\sqrt{7}[/tex]

Step-by-step explanation:

[tex]x=\frac{-b+\sqrt{b^2-4ac} }{2a}[/tex]

[tex]x=\frac{-b-\sqrt{b^2-4ac} }{2a}[/tex]

Here a=1, b=2 and c=8

SOLVE FOR X, WILL GIVE BRAINLIEST

Answers

-- these are called same side interior angles, which are supplementary.

to solve for x:

3x + 37 + 2x - 7 = 180

5x + 30 = 180

5x = 150

x = 30

Answer:   x = 30

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

Explanation:

These angles shown are same side interior angles.

Due to the parallel lines, same side interior angles are always supplementary.

This means they add to 180

(2x-7)+(3x+37) = 180

2x-7+3x+37 = 180

(2x+3x)+(-7+37) = 180

5x+30 = 180

5x = 180-30 .... subtracting 30 from both sides

5x = 150

x = 150/5 ... dividing both sides by 5

x = 30

what is max final number if his starting number is 7 2(n + 8 )

Answers

Answer:

30

Step-by-step explanation:

if he can only use lower numbers than the max would be 30

Answer:

30

Step-by-step explanation:


Simplify the expression 4(5 - 2)2 – 7.

Answers

Answer:

17

Step-by-step explanation:

Remember to solve by the order by operations, or PEMDAS. PEMDAS says that when simplifying an expression, you need to solve parentheses, exponents, multiplication and division (from left to right), and addition and subtraction (from left to right) in that order.

1) Knowing this, start by solving what's in the parentheses:

[tex]4(5-2)2-7\\= 4 (3)2-7[/tex]

2) Then - still following the order of operations - multiply the 4, 3, and 2 together.

[tex](4)(3)(2)-7\\(24)-7[/tex]

3) Finally, subtract 7 from 24.

[tex]24-7\\= 17[/tex]

Therefore, 17 is the answer.

Another word meaning to balance your checking account

Answers

Answer: Reconcile

Step-by-step explanation:

Help please I need help

Answers

Answer:

15/8

Step-by-step explanation:

Opp/Adj of angle x means Tan x

that would be 15/8

2x^2 + 2x+1=0 solve for x

Answers

2x²+2x+1=0

Uh it doesnt factor, check if u had a typo or misreading.

I used Socratic! It’s another app for like answering answers. But yeah here’s your answer!

Hope it helps!

Which rational number is one tick mark to the right of Negative StartFraction 6 Over 4 EndFraction on the number line below?

Answers

Answer:

the answered is a

Step-by-step explanation:

hope this helps

Answer:

-1 3/4

Step-by-step explanation:

What is the solution set of the equation
|2x-3|=11

Answers

If your trying to figure out (x) then the answer would be 7 because 7 times 2 is 14 and then 14 minus 3 would be 11

A soup can has a radius of 2.5 inches and a height of 5 inches. How much metal is needed to
make the can?

Answers

Answer:

117.81

Step-by-step explanation:

the cylinder surface area equation

A=2πrh+2πr2=2·π·2.5·5+2·π·2.52≈117.80972

How many ft. Equal 30 in.

Answers

Answer:

2.5 ft

Step-by-step explanation:

Answer:

2.5

Step-by-step explanation:

To find how many feet are in inches. You need to find how many inches are in a foot.

12 in.= 1 foot

With this information, you divide the inches by 12.

30/12=2.5

A pizzeria sold $3,432 worth of pizzas this week. Each pizza costs $12. How many pizzas were sold?

Answers

Answer:

286

Step-by-step explanation:

its 286 that's the answer

The answer is 286

You just need to divide 3,432 and 12 and you get 286! Have a great day!

Connor is cutting a 27 inch piece of wood. He cuts off 3 inches, and then cuts the remaining piece into 6 equal lengths of x feet each. answer

Answers

27in-3= 24in
24 divided by 6 = 4
4 inches

Which rectangle is an enlargement of a 5 by 6 rectangle?


Rectangle

A

B

C

D

Width

10

15

25

60

Length

11

18

36

60

A

B

C

D

Answers

Answer:

its b just did quiz rn for edg

Step-by-step explanation:

Kenya Kon sells dishwashers. He earns an 8% commission on sales. How much must he sell in order to earn $3000?

*if you can answer fast that would be great! thank you!

Answers

he would earn $37500
The answer above should be correct !!

Explanation:
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