1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
yuradex [85]
3 years ago
11

The ratio of girls to boys in a particular classroom is 8: 7. How many boys are in the class if there are 45 students?

Mathematics
1 answer:
Dmitry [639]3 years ago
8 0

9514 1404 393

Answer:

  21

Step-by-step explanation:

Rearranging the given ratio, we can find the ratio of boys to the total.

  boys : (boys +girls) = 7 : (7+8) = 7 : 15

Then the number of boys is ...

  (7/15)(45) = 21

There are 21 boys in the classroom.

You might be interested in
Graph the function<br> Need help ASAP plz
sattari [20]

Given:

The equation of a function is

y=(x-4)^2+1

To find:

The graph of the given function.

Solution:

The vertex form of a parabola is

y=(x-h)^2+k        ...(i)

Where, (h,k) is vertex of the parabola.

We have,

y=(x-4)^2+1         ...(ii)

From (i) and (ii), we get

h=4, k=1

The vertex of the parabola is (4,1).

Now, the table of values is

x             y

2            5

3            2

4             1

5            2

6            5

Plot these points on a coordinate plane and connect them by a free hand curve.

The graph of given function is shown below.

5 0
3 years ago
Please help :) ...........
ad-work [718]
I think the 3rd one idk wait for someone else to answer go compare
5 0
3 years ago
Pleasssssssss help 5<br> points ​
love history [14]
What is the situation from the problem
7 0
3 years ago
What fraction is 1 yard 2 feet and 6 inches
MA_775_DIABLO [31]

Answer:

Make sure you convert these numbers into one unit. Convert everything to yard. Just convert the feet and inches in yard since it's the biggest unit, and then add them together. You should get a fraction not a whole number.

3 0
3 years ago
Read 2 more answers
A life insurance company is offering Anna a $100,000 life insurance policy for
Fynjy0 [20]
Excellent 43.0000
Answer 8747744748848833773737374758
6 0
3 years ago
Other questions:
  • Find the probability that the person is frequently or occasionally involved in charity work.
    12·1 answer
  • O que é uma divisão finita?
    15·2 answers
  • The basic metric unit of capacity is the liter. True False
    12·2 answers
  • Find the midpoint of the line segment joining the points (-1,-2) and (-3,13)
    6·1 answer
  • 7-(-12)=7+(-12)=-5 describe and correct the error in finding the difference 7-(-12)
    13·2 answers
  • A 1 newton force will stretch a spring 1 meter. The spring/mass system is damped by a force that is 8 times the instantaneous ve
    6·1 answer
  • A line with a slope of 1/2 passes through
    11·1 answer
  • Kiran reads 5 page in 20 minutes. He spends the same amount of time per page. How long will it take him to read 11 pages?
    14·1 answer
  • Which expression is equivalent to [(2a-3b4)2(3a5b)-2]-1 ? Assume a =/ 0, b =/ 0
    11·1 answer
  • Factor using the GCF. 10x^2+15x-5
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!