Students were asked to choose their favorite subject and, and 3/5 choose either history or biology. If 1/5 of the students choose history, what fraction choose biology?

Answers

Answer 1

Answer: 2/5

3/5 chose either history or biology, and 1/5 chose history. If we want to find what fraction chose biology, we just subtract those who chose history for those who chose either one. 3/5 minus 1/5 is 2/5.

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If a - 3= 7, then 2a - 14 =

The volume of a cylinder is 713.21 inches cubed the radius is 5.2 what is the height of the cylinder

Answers

if the R is 5.2 and the V 713.21 it

8.4

use the formula

h=V/pi*R^2

so V=713.21/

5.2*3.14=16.328^2
so 16.328*2=32.56

713.21/32.56=21.9/2=10.4-2=8.4

hope this helped

You make a large bowl of salad to share with your friends. Your brother eats 1/3 of it before they come over. You want to divide the leftover salad evenly among six friends. What expression describes the situation? Explain

Answers

The expression which describe the situation is,

⇒ (1 - 1/3) × 1/6

What is an expression?

Expression in math is defined as the collection of the numbers, variables and functions by using signs like addition, subtraction, multiplication, and division

Given that;

When you make a large bowl of salad with your friends. Your brother eats 1/3 of it.

Now,

Let total amount of salad = 1

Amount of salad after brother eating = 1 - 1/3 = 2/3

And, Amount of salad for diving into 6 friends = 2/3 × 1/6

= 1/9

So, Each friend get 1/9 of a salad.

Thus, The expression which describe the situation is,

⇒ (1 - 1/3) × 1/6

Learn more about the mathematical expression visit:

brainly.com/question/28371309

#SPJ5

divide 1/3 by 6 and there is your answer

How Many Times do 4 go into 70

Answers

17 x 4 = 68 with a remainder of 2

17 because 70 divided by 4 equals 17.5

The Windows on the first floor of a building are 3 1/2 yards wide. The Windows on the second floor of the building are 1 7/9 yards wide. How much wider are the Windows on the first floor than the second floor

Answers

the answer, is 2 1/9. subtract 1 7/7 from 3 1/2, and you'll get 2 1/2

(hope this helps)

A recipe says to use 4 cups of flour to make 54 cookies. What is the constant of proportionality that relates the number of cookies made, y, to the number of cups of flour used, x?

Answers

Y=4x+54(y) is the answer

the number of cookies made is 13.5 per cup of flour so the answer is (1, 13.5)

Mr. Hamm's salary has increased by 250% over the past 10 years. If his original salary was $28,000 per year, what is his current salary?

Answers

When you say this, I'm assuming he has gained this in total, not once a year:
2.50(28000) + 28000
We can make it simpler:
3.50(28000)
98000
Mr. Hamm now receives $98,000 a year

Answer:

98,000

Step-by-step explanation:

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