3 years ago

If it takes Doug 40 mins to clean his home and Frankie 50 mins. How long will it take if they work together?

1 answer:

8 0

Find the average value:
40 minutes + 50 minutes = 90 minutes
90 minutes/2 = 45 minutes
Together it will take them 45 minutes to clean the house

You might be interested in

HELP PLEASEEEEEEEEEEEEEE

vazorg [7]

Answer:

-2/4, 8/40, 21/30, 9, 9 20/25

Step-by-step explanation:

9/20/25 is a bit greater than 9.

21/30 is 9 away from a whole 8/40 is 32 away from 40 -2/4 is way less because its on the negative side which is like so far away from the other numbers.

7 0

3 years ago

LXISSUU<br> Simplify<br> -8-1+4.2<br> Enter your answer in the box

jekas [21]

Answer:

-4.8

Step-by-step explanation:

4 0

4 years ago

C=2pie r solve for r

S_A_V [24]

Answer:

r = C / (2pie)

Step-by-step explanation:

C = 2pie x r

divide both sides by 2pie to isolate r

C / (2pie) = r

r = C / (2pie)

8 0

3 years ago

I dont understand how to simplify an expression with exponents

Mashutka [201]

Answer:

3^4

Step-by-step explanation:

Simplifying an expression with expression with exponents:

If they are dividing, we keep the base and subtract the exponents. For example:

$\frac{a^x}{a^y}=a^{x-y}$

In this question:

$\frac{3^2}{3^{-2}}=3^{2-(-2)}=3^{2+2}=3^4$

8 0

1 year ago

What is the difference? −43−(−18) Enter your answer in the box.

gulaghasi [49]

Hello!

Answer:

-25

Step-by-step explanation:

−43+18

−25

Hope this helps!

5 0

3 years ago

Read 2 more answers