3 There are 5 times as many boys as girls in a school.
Together the school has 810 pupils.
How many boys are there?

Answers

Answer 1

Answer:

Number of boys = 675

Step-by-step explanation:

Given that:

There are 5 times as many boys as girls in a school.

Number of pupils in school = 810

Let,

x be the number of girls

y be the number of boys

According to given statement;

x+y=810      Eqn 1

y = 5x         Eqn 2

Putting y=5x in the Eqn 1

x+5x=810

6x=810

Dividing both sides by 6

[tex]\frac{6x}{6}=\frac{810}{6}\\x=135[/tex]

Putting x=135 in Eqn 2

y = 5(135)

y = 675

Hence,

Number of boys = 675


Related Questions

PLEASE HELP What is the x value. (Remember to round to the nearest tenth.)

Answers

Answer:

the answer might be 71.9

Step-by-step explanation:

add 12.8 and 5.3 =18.1 then

90-18.1=71 9

67.8

Step by step Explanation:
first multiply 12.8 * 5.3
From that you get 67.84

Then round to the nearest tenth which gives you 67.8

Glad I can help :)

I need help asap I’m confused

Answers

what’s the question?

HELP with this problem please

Answers

Answer: 2

Step-by-step explanation:that is the one that is used the most?

50 POINTS!!!43
what is 43 7/8% of $2.35?
Round your answer to the nearest cent

Answers

Answer:

$1.03

Step-by-step explanation:

7/8 = 0.875

then

43 7/8 = 43.875%

43.875/100 = 0.43875

2.35 * 0,43875 = 1.031

Round to the neares cent:

1.03

Step-by-step explanation:

[tex]43 \frac{7}{8} \% \: of \: 2.35 \\ \frac{351}{8} \% \: of \: 2.35 \\ \frac{351}{8 \times 100} \times 2.35 \\ \frac{824.85}{800} = \boxed{\$1.0310625}[/tex]

$ 1.0310625 is the right answer.

2h+y/9h^2-y^2 - 4h^2/3h+y what is the least common denominator in this expression

Answers

Answer: It is 9

Step-by-step explanation:

If f(x) = -6x + 1, what is f(1/2x-1) equal to

Answers

9x^2-10x^1+1 from −2x^2+4x−10

By substituting [tex]x = \(\frac{1}{2}x-1\)[/tex] , the given function f(x) = -6x + 1 can be simplified to [tex]f(x) = \(f(\frac{1}{2}x-1) = -3x + 7\)[/tex].

To find [tex]\(f(\frac{1}{2}x-1)\)[/tex], substitute [tex]\(\frac{1}{2}x-1\)[/tex] into the function f(x):

[tex]\(f(\frac{1}{2}x-1) = -6(\frac{1}{2}x-1) + 1\)[/tex]

Now, simplify the expression:

[tex]\(f(\frac{1}{2}x-1) = -3x + 6 + 1\)\\\\\(f(\frac{1}{2}x-1) = -3x + 7\)[/tex]

So, [tex]\(f(\frac{1}{2}x-1) = -3x + 7\)[/tex].

To know more about function, refer here:

https://brainly.com/question/13007893

#SPJ2

Jack can make 3 cups of croutons from
5 slices of bread. How many cups of
croutons can he make from 35 slices of
bread?

Answers

Answer:

there are 7 fives in 35

and each 5 slices makes 3 cups

so,,7×3=21 cups

Answer:

21 cups

Step-by-step explanation:

True or False. The higher the interest rate, the larger the balance will be after a determined amount of time (than with a lower interest rate).

Answers

Answer:

True

Step-by-step explanation:

Principle = Interest * Time

So if time doesn't change, You'll get more money when Interest is higher!

There is 7/8 of the pretzel bag left. If one serving is 1/4 of the bag. How many servings are left? Use the model to answer the question.

Answers

Answer:

5/8

Step-by-step explanation:

5.5.19
Factor out the greatest common factor from the following polynomial.
6x(z + 14)+(z + 14)
Select the correct choice below and, if necessary, fill in the answer box to complete your cho
6x(z + 14)+(z+14) = _______ Type your answer in factored form.)
The polynomial has no common factor other than 1.

Answers

Answer:

The greatest common factor of 6x(z + 14)+(z + 14) is 1

and if you want it in factored form it is (z + 14)(6x + 1)

There are 946 milliliters in a quart. There are 2 pints in a quart.
How many milliliters are in a pint?

Answers

Answer:

473

Step-by-step explanation:

I divided 946 and 2 and got 473. I'm not 100 percent this is correct but whatever

How is the circumference of a circle related to its diameter

Answers

The circumference is usually three times as much as the diameter

How far is `10\%` of a `2,000`-kilometer trip?

Answers

200 kilometers i think it should be

What is the probability of picking a yellow marble and a blue marble of the yellow marble is replaced ?

Answers

Answer:

50%

Step-by-step explanation:

what is the degree of x^6+4x-3​

Answers

Answer:

1.2599

Step-by-step explanation:

All you need the photo

Answers

The average rate of change of h(t) = -16t ² + 40t + 4 between t = 0 and t = 2 is

(h (2) - h (0)) / (2 - 0) = ((-16×2² + 40×2 + 4) - (-16×0² + 40×0 + 4)) / 2

… = ((-64 + 80 + 4) - 4) / 2

… = 16 / 2

… = 8

h(t) is measured in feet, so the average rate of change is measured in feet per second, so it's 8 feet per second.

how do i do this please help!

Answers

Answer:

id no lollll prob 3

Step-by-step explanation:

help please i don’t get this

Answers

Answer:

y=93°, z=79°

Step-by-step explanation:

Lines and Angles

There are properties of lines and angles that will help us to find the required values.

The vertex at the bottom left side of the quadrilateral has two angles that were formed when two lines crossed. Those are called linear angles, and they always add up to 180°.

This means that z is the angle needed to complete 180°, that is:

z = 180° - 101° = 79°

Now the quadrilateral must have the sum of its internal angles equal to 360°. We have three of them that sum: 100°+88°+79°=267°.

This means y is the angle needed to complete 360°, or:

y = 360° - 267° = 93°

Answer: y=93°, z=79°

find slope of the line that passes through the two points (3,11) and (9,16)​

Answers

Answer:

5 over 6

Step-by-step explanation:

y2-y1 over x2-x1 is the equation you need. Y2 in this case is 16, Y1 is 11 and X2 is 9 and X1 is 3 so then you just plug it is. 16 - 11 is 5 and 9 - 3 is 6

Solve for x,
45=3x
Simplify your answer as much as possible,
X

Answers

15 times 3 = 45 therefore x=15

Ten less than three times a number is 2.

Answers

Answer:

the number is 4

Step-by-step explanation:

4 times 3=12

12-10=2

hope this helps!

Answer:

it's 7!

Step-by-step explanation:

Ricardo ran four miles in 31 minutes. It took him 6.25 minutes to run the first mile. Ricardo ran the remaining miles at a slow and steady speed. How long did it take him to run each of the last three miles?​

Answers

Answer:

8.25 minutes

Step-by-step explanation:

31 minutes-6.25 minutes=24.75 remaining miutes between the last 3 miles so then you take 24.75 minutes÷ 3 miles remaining= 8.25 minutes each last 3 miles

A selfie ring light is originally priced at $55 is marked down 25%. What is the sale price?

Answers

Answer:

41.25

Step-by-step explanation:25% of 55 is 13.75

Mr. Hunterhad 25 students in his 4th period math class. The next day, he has
only 20 students. What is the percent decrease in the number of students in
Mr. Hunter's class?

Answers

Answer:20 percent

Step-by-step explanation:correct me if I’m wrong

What is the sum of the exterior angles of a 10-gon figure?

Answers

Answer:

The sum of the exterior angles of a regular polygon will always equal 360 degrees.

In 1850, there were 564 textile mills in New England states with a total of 61,893 workers. The average wmployment per textile mill was ?

Answer Choices

109
110
108
111

Answers

I’m getting 109.7 but you can round it up to 110 if your teacher asks

I will give a brainliest for if you give me answers

Answers

Answer: When graphing start at (0,6). (1, 8) (3,12) (5,16) The total cost for 7 rides is $20.

Step-by-step explanation:

Answer:

the total cost for 7 rides is $14 plus how much it is to get in the fair is $6 so the total cost to get in and do 7 rides is $20 but the total cost for 7 rides is $14

Step-by-step explanation:

Answer is $14 for 7 rides

PLZ GIVE BRAINLIEST

Point Q is plotted on the coordinate grid. Point P is at (20, −30). Point R is vertically above point Q. It is at the same distance from point Q as point P is from point Q. Which of these shows the coordinates of point R and its distance from point Q?

On a coordinate grid from negative 50 to positive 50 in increments of 10, Point Q is plotted at the ordered pair negative 40, negative 30.

Point R is at (−40, 30), a distance of 60 units from point Q
Point R is at (−40, −10), a distance of 20 units from point Q
Point R is at (−40, −30), a distance of 60 units from point Q
Point R is at (−40, 10), a distance of 20 units from point Q

Answers

Answer:

Point R is at (−40, −10), a distance of 20 units from point Q

Step-by-step explanation:

Answer:

The answer is A

Step-by-step explanation:

(-40,30)

can someone please help me.​

Answers

Answer:

Step-by-step explanation:

1. isosceles

2. right scalene

3. obtuse scalene

4. equilateral

5. right isosceles

6. acute scalene

7. equilateral

8. isosceles

What is the surface area?

Answers

Answer:

369 m²

Step-by-step explanation:

Area of Triangle (sides): 1/2bh

=1/2(bh)

=1/2 (9•16)

=1/2 (144)

=72

There are four sides of the prism:

72•4=288

Area of Square (base): l•w

=9•9

=81

Surface Area = 288+81=369 m²

Answer:

369 m²

Step-by-step explanation:

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