2 years ago

Winnifred Watchmee made $108 babysitting for herneighbor last month. If she earned $9.00 an hour, howmany hours did she work?

Mathematics

2 answers:

vlada-n [284]2 years ago

7 0

12 hours.......................

Mkey [24]2 years ago

6 0

Answer:

12 hours

Step-by-step explanation:

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Change 84cm into millimetres

Mars2501 [29]

Answer:

840 mm

Step-by-step explanation:

multiply by 10

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2 years ago

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A train travels at a speed of 45 kmph. In 48 minutes, how much distance will it travel? ( with explanation )

aalyn [17]

Answer:

36 km

Step-by-step explanation:

By dividing 45 by 60 you make it into .75 per minute therefore by multiplying by 48 you get your answer which is 36 km

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2 years ago

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Points P and Q belong to segment AB . If AB = a, AP = 2PQ = 2QB, find the distance: between the midpoints of segments AP and QB

amid [387]

Answer:

$\frac{a}{8}$

Step-by-step explanation:

AB = a

AP = 2PQ = 2QB

AB = AP + PQ + QB

= AP + $\frac{AP}{2}$ + $\frac{AP}{2}$

AB = 2AP

AP = $\frac{a}{2}$ -----(1)

And we know QB = $\frac{AP}{2}$

QB= AP/2 = $\frac{a}{4}$ ---------(2)

Now midpoint of AP = $\frac{a}{2}$ × $\frac{1}{2}$ = $\frac{a}{4}$

and midpoint of QB = $\frac{a}{4}$ × $\frac{1}{2}$ = $\frac{a}{8}$

distance between these midpoints = $\frac{a}{4}$ - $\frac{a}{8}$

= $\frac{a}{8}$

4 0

3 years ago

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6. It took Todd 9 hours to paint 4 rooms.

Afina-wow [57]

Answer:

5 rooms

Step-by-step explanation:

4 rooms = 9 hours

9 hours = 540 minutes

1 room = 540 ÷ 4 = 135 minutes

60 x 12 = 720 minutes (12 hours)

720 ÷ 135 = 5.33333

5.3333 estimated to nearest whole number = 5

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2 years ago

3(x+y)=y if (x y) is a solution to the equation above and y=0 what is the ratio x/y

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The equation can be rewritten as x = -2/3 y, so x/y = -2/3
However, for y=0, the ratio is undefined as you would be dividing by 0??

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3 years ago