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svetlana [45]
2 years ago
15

The ratio of boys to girls in Ella’s grade is 3 to 4. The ratio of boys to girls in Minh’s grade is 4 to 5. Each grade has a tot

al of 20 girls.
How many boys are in each grade?
Mathematics
1 answer:
Alex_Xolod [135]2 years ago
8 0

Answer:

12 boys

Step-by-step explanation:

I believe the answer is 12 boys. I hope this helps!

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What is the simple interest for a principal of $650 invested at a rate of 9% for 5 years?
Ne4ueva [31]

Answer: 292.50 dollars

Work Shown:

P = 650 is the the principal.

r = 0.09 is the interest rate in decimal form.

t = 5 is the number of years.

i = P*r*t

i = 650*0.09*5

i = 292.50 is the simple interest.

8 0
3 years ago
What is the simplified answer to 5+3w+3-w​
DaniilM [7]

Answer:

<h2>5 + 3w + 3 - w = 2w + 8</h2>

Step-by-step explanation:

5+3w+3-w\qquad\text{combine like terms}\\\\=(3w-w)+(5+3)\\\\=2w+8

6 0
3 years ago
If you were to plot (10, -2) and (-3, 8), what two quadrants would you be in?
Rasek [7]
Ten and negative 2 will be in q1 and negative 3 and 8 will be in q2
3 0
3 years ago
Amanda teaches all of the bass and viola students. All of her classes have the same number of students. Each class has the great
alexandr402 [8]

Answer:

5 classes - 2 bass classes and 3 viola classes.

Step-by-step explanation:

Find the greatest common factor (GCF)

List the factors of 20 and 30:

20: 1, 2, 4, 5, 10, 20

30: 1, 2, 3, 5, 6, 10, 15, 30

The greatest factor that both numbers share is 10.

Therefore, there are 10 students in each class. So, she teaches 2 bass classes and 3 violas classes.

hope this helps! <3

6 0
1 year ago
4) Solve Ax + By = C, for y
irina1246 [14]

Answer:Ax + By = C

-ax -ax

-------------------

By = -Ax + C

--- ------------

B B

--------------------

y = -Ax + C

----------

B

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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