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Sholpan [36]
3 years ago
12

You finish washing 34 of your windows in an hour and a half. At that rate, how much longer will it take you to finish washing al

l the windows? in return i will help u with Physics

Mathematics
1 answer:
Keith_Richards [23]3 years ago
3 0

Answer:

2 hours

Step-by-step explanation:

\dfrac{\frac{3}{4}}{\frac{3}{2}}=\dfrac{1}{x} \\\\\\\dfrac{1}{2}=\dfrac{1}{x} \\\\\\x=2

Hope this helps!

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A single die is rolled twice. Find the probability of rolling an oddnumber the first time and a number greater than 2 the second
harkovskaia [24]

Answer:

1/3.

Step-by-step explanation:

The 2 events are independent so we multiply the 2 probabilities.

Prob(rolling an odd number) = 3/6 = 1/2.

Prob(rolling a number greater than 2) = 4/6 = 2/3.

The required probability = 1/2 * 2/3

= 2/6

= 1/3.

5 0
3 years ago
If the circumference of a circle is 84.5 ft, find the radius.
Elina [12.6K]

Answer:

13.448, rounded off: 13.5 ft

Step-by-step explanation:

r=\frac{C}{2\pi }

Where r = radius, C = circumference.

r=\frac{84.5}{2\pi } =13.448 = 13.5 ft

6 0
3 years ago
Read 2 more answers
Find the value of 6.8 +9.2
Tatiana [17]

Answer:

16

Step-by-step explanation:

6.8

+9.2

______

16

Hope I helped!

8 0
2 years ago
Read 2 more answers
Pleaseeeeeeees help meee
maria [59]
12, 4 is the answer.
8 0
3 years ago
Read 2 more answers
If x varies directly with y and x = 6 when y = 15, find x when y= 20.
Kaylis [27]

Answer:

8

Step-by-step explanation:

Varies directly think y=kx

Varies indirectly think y=k/x

We have first option so y=kx

x=6 and y=15 means we have 15=k(6)

So k=15/6 or reducing gives=5/2

So we just found our constant of proportionality, this number never changes.  It stays the same no matter what x or y they give you...

So the equation is y=5/2 *x

Now what is x if y=20

Plug in 20=5/2 *x

So x=20*2/5=40/5=8

6 0
3 years ago
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