Answer:
2
Step-by-step explanation:
To find the answer we just need to reverse the operation. So to find the cubic root of 8.
That equals 2 since 2*2*2=8
Answer:
True
Step-by-step explanation:
We need to verify whether 15 and 20 are the correct solution to the rule of "The difference between the 2 number is 5 and the number are in the ratio 3 : 4". Let's see,
<u>First rule</u> → The difference between the 2 numbers is 5
20 - 15 = 5 ⇒ Correct
<u>Second rule</u> → The numbers are in the ratio 3 : 4
15 : 20 ( ÷ 5 to both ratio's ) 3 : 4 ⇒ Correct
Answer:
r=-4
Step-by-step explanation:
r-6=6+4r
-4r+r=6+6
-3r=12
3r=-12
r=-12/3
r=-4
Answer:
90 balls
Step-by-step explanation:
Set up proportion
36/x = 40/100
Cross multiply: 40x=3600
Solve for x
x=90
To check work:
40 percent of 90 would be 36
90(0.4)=36
They are numbers that can be divided
like 2,4,6,8,...