Answer:
geometric mean of 14 and 20 = 17. geometric mean of 2 and 32 = 17. geometric mean of 9 and 25 = 17. geometric mean of 25 and 35 = 30.
Step-by-step explanation:
Answer:
<h3>There are 100 girls in the school</h3>
Step-by-step explanation:
Let the total number of people be x
To find the number of girls in the class we must first find the total number of people in the class
First find the total parts
That's
2 + 5 = 7
2/7 of the total number of people are boys
So we have
2/7 × x = 40
Multiply through by 7
2x = 280
Divide both sides by 2
x = 140
There are 140 people in the school
Finding the number of girls we have
5/7 × 140
= 100
There are 100 girls in the school
Hope this helps you
Answer:
$7.50
Step-by-step explanation:
Madison is planning to get some apples for her homemade pie. At the grocery store there is a display showing 5 apples for $12.50. How much money would it be if Madison wanted 3 apples?
<h3>
Answer: 2/9</h3>
Explanation:
Multiply the numbers up top: 8*1 = 8
Multiply the numbers in the bottom: 9*4 = 36
The two fractions 8/9 and 1/4 multiply to 8/36. Reduce this to 2/9 after dividing both parts by the GCF 4.
In other words,
8/4 = 2
36/4 = 9
Answer:
1/2 / 2/3
(1*3) / (2*2)
3/4
Two-thirds of a half equals three-quarters