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
ahrayia [7]
3 years ago
10

we said that the ratio of girls to boys in the class was 2:9. if there were 90 boys in the 9th grade, how many girls are there

Mathematics
2 answers:
soldi70 [24.7K]3 years ago
8 0

20 girls

Step-by-step explanation:

For every 9 boys there are 2 girls, so, if we have 90 boys, 9x10=90 and then since we have the 10 we use it to do 2x10 to get 20 girls

Juliette [100K]3 years ago
7 0

Answer:

20

Step-by-step explanation:

If the ratio of boys is 9 there are 90 boys. If 9=90 then 1= 10. 10 x 2 = 20

I hope this helps :0)

You might be interested in
How can you use number patterns to find the least common multiple of 120 and 360
baherus [9]
<span>Since 360 is a multiple of 120, it is automatically the LCM of this problem.

</span>
8 0
3 years ago
What does the x represent?<br><br> a.diameter <br> b. central angle<br> c. arc
IrinaVladis [17]
A because it shows hi wide the circle is⭕️
8 0
3 years ago
Round 8.157 to the nearest hundredth.
Rzqust [24]

Answer:

8.16

Step-by-step explanation:

hundredth means two decimal places. since 7 is greater than 5, we have to add 1 to 5 which makes it 6

3 0
3 years ago
Read 2 more answers
When labeling a pre-image and it's image, we use a small tick mark. It's called a(n):
IgorLugansk [536]

Answer:

Prime

Step-by-step explanation:

If we have a point on a pre-image, we can have it labelled as A(x,y)

Now, we can write this as the image

To write this as the image, we simply have to add a mark on the A

This mark is at the upper right

We have it as A’ (x,y)

The part added is called a prime

4 0
3 years ago
Read 2 more answers
Can someone please help me with this question
Paladinen [302]

Answer

180 - x

Step-by-step explanation:

opposite angles of a quadrilateral inscribed in a circle are supplementary

6 0
3 years ago
Read 2 more answers
Other questions:
  • $7.50 for 5 pounds ?
    11·1 answer
  • ectangle on a coordinate plane is translated 5 units up and 3 units to the left. Which rule describes the translation? (x, y) →
    5·1 answer
  • Find the volume of the composite space figure to the nearest whole number.
    10·1 answer
  • What is the answer? Please help! As quick as you can!
    7·2 answers
  • Help!!!? Does anyone know the answer to this question!!?
    15·1 answer
  • 8. It took Sharon 85 minutes to wash three cars. She spent x minutes on each car and 10 minutes
    12·1 answer
  • Writing Equations of Lines
    10·1 answer
  • Can y'all please solve this for me? it's supposed to be a tree with presents,I just don't know how to if y'all could show me a p
    11·1 answer
  • <img src="https://tex.z-dn.net/?f=5x%20-%204%20%3D%203x%20%2B8" id="TexFormula1" title="5x - 4 = 3x +8" alt="5x - 4 = 3x +8" ali
    7·1 answer
  • Help me solve the problem
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!