Ask question

Ask question

All categories

3 years ago

14

Maria can clean the entire house in two hours. Her sister, Sasha, can clean the house in three hours. How long would it take for

two of them to do the job together?

1 answer:

lisabon 2012 [21]3 years ago

3 0

Maria do 1/2 work in 1 hour
Sasha do 1/3 work in 1 hour

Thus,
1/2+1/3=5/6 work in 1 hour
5/6 work in = 1 hour
1 work in =6/5=1.2 hours =72 minutes

You might be interested in

State the x value of the x intercept describe by the following <br> linear equation: (-3x-2y = 9

aivan3 [116]

Answer:

x=-3

Step-by-step explanation:

-3x-2y=9

-3x-2(0)=9

-3x-0=9

-3x=9

x=-3

3 0

3 years ago

Amy needs to write a definition of an angle. Which words will she need for a precise definition with sufficient information?

hichkok12 [17]

<span>the space (usually measured in degrees) between two intersecting lines or surfaces at or close to the point where they meet</span>

7 0

3 years ago

Read 2 more answers

6b.) Hence, or otherwise, evaluate g(f(3))

statuscvo [17]

Answer:

-25

Step-by-step explanation:

g(f(3))= g(-5)

=4(-5)-5

= -20-5

=-25

6 0

3 years ago

Read 2 more answers

Draw a rough sketch of a quadrilateral KLMN. State, (a) two pairs of opposite sides, (b) two pairs of opposite angles, (c) two p

kogti [31]

Answer:

Please find attached the drawing of quadrilateral KLMN created with MS Whiteboard using the Ink to Shape command

(a) Two pairs of opposite sides are $\overline {KN}$ , $\overline {LM}$ and $\overline {KL}$ , $\overline {NM}$

(b) Two pairs of opposite angles are ∠LKN, ∠LMN, and ∠KLM and ∠KNM

(c) Two pairs of adjacent sides are $\overline {KN}$ , $\overline {NM}$ and $\overline {KL}$ , $\overline {LM}$

(d) Two pairs of adjacent angles are ∠LKN, ∠KLM and ∠LMN, ∠KNM

Step-by-step explanation:

7 0

2 years ago

What is the value of x drawing not to scale

AVprozaik [17]

angle x would end up being equal to 71 degrees.

8 0

2 years ago

Read 2 more answers