Can someone explain dividing a whole number by a unit fractions? I've been stuck on this lesson for a while

Answers

Answer 1

Answer: 4 feet
each friend gets 1/3 foot
if you wante to do $(4)/( (1)/(3) )$
try to make bottom number=1
1/3 times 3/1=3/3=1
multiply the whole thing by $( (3)/(1) )/( (3)/(1) )$

$(4*3)/( (3)/(3) )$
$(12)/( 1)$

12

Answer 2

Answer: Okay, I would multiply 4 times 12 since there is 12 inches in a foot and then divide it by 3. which the answer would be 16 inches.

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21/24÷7/8 show work please

Answers

$(21)/(24) / (7)/(8) = (21)/(24) * (8)/(7) = (3)/(24)* (8)/(1)= (3)/(3)* (1)/(1) =\boxed{1}$

What comes after a decagon?

Answers

The Hendecagon comes after.

Hendecagon (11) comes after decagon.(10)

How do you solve for r in the formula a=pi r squared

Answers

To solve for y, all you have to do is just separate r from all of the others and make it equal to the rest of the equation. So first it was, a=pi*r squared.
Divide by pi on each side,
a/pi=r^2
Take the square root of each side;
square root of (a/pi) =r
and that's all
Hope this helps.

23ft how many inches?

Answers

1 ft = 12 inches
23ft you have to multiply 12 by 23 = 276 inches
276 inches = 23 ft

you multiply 12x23=276 because 1ft = 12in

What is 5040 divided by 8

Answers

Answer:

630

Step-by-step explanation:

Answer:

630 is the answer to your question

Jari invests in a CD with an annual interest rate of 5.45% compounded quarterly. How many years will it take for Jari's investment to double. Round your answer 4 decimal places and include a label (written in lowercase)

Answers

It will take 12.8047 years for Jari's investment to double

Step-by-step explanation:

The formula for compound interest, including principal sum is

$A=P(1+(r)/(n))^(nt)$ , where:

A is the future value of the investment/loan, including interest
P is the principal investment amount (the initial deposit or loan amount)
r is the annual interest rate (decimal)
n is the number of times that interest is compounded per unit t
t is the time the money is invested or borrowed for

Jari invests in a CD with an annual interest rate of 5.45% compounded quarterly. We need to find how many years it will take for Jari's investment to double.

∵ The annual interest rate is 5.45%

∴ r = 5.45% = 5.45 ÷ 100 = 0.0545

∵ The interest rate is compounded quarterly

∴ n = 4

∵ The Jari's investment is doubled in t years

∴ A = 2P

- Substitute these values in the rule above

∵ $2P=P(1+(0.0545)/(4))^(4t)$