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3 years ago

A number is chosen at random from 1 to 10 find the probality of selecing a 3 or smaller

Mathematics

1 answer:

Goryan [66]3 years ago

5 0

1,2,3,4,5,6,7,8,9,10---1,2 are the only ones that are under 3 (not including 3, remember)
2/10 or 1/5

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A mother gives her son 2 drops of medicine for every 10kg of body weight how much drops does he need if he weighs 22.8kg

Dmitriy789 [7]

2.28 drops. 3 if rounding up. 2 if rounding down

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3 years ago

PLEASE SEND HELP!!! I need to finish this test in 20 minutes.

S_A_V [24]

Answer:

Step-by-step explanation:

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8 0

4 years ago

Over the last 50 years, the average cost of a car has increased by a total of 1,094%. If the average cost of a car today is $31,

krek1111 [17]

Answer:

$2673

Step-by-step explanation:

Let x represent average cost of car 50 years ago.

We have been given that over the last 50 years, the average cost of a car has increased by a total of 1,094%. The average cost of a car today is $31,918. We are asked to find the average cost 50 years ago.

We can represent our given information in an equation as:

$x+1,094\%\text{ of } x=\$31,918$

$x+\frac{1,094}{100}* x=\$31,918$

$x+10.94x=\$31,918$

$11.94x=\$31,918$

$\frac{11.94x}{11.94}=\frac{\$31,918}{11.94}$

$x=\$2673.1993299$

$x\approx \$2673$

Therefore, the average cost of the car 50 years ago was $2673.

3 0

4 years ago

Yolanda runs 5 miles in 38 minutes how much would she run in 57 minutes

sweet-ann [11.9K]

Answer:

Step-by-step explanation:

Assuming she runs at the same pace, this will be a simple problem to solve. First we have to find that rate. She ran 5 miles in 38 minutes. This means she ran about 0.131 miles per minute. Then we just have to multiple that rate by 57 minutes to find out that at the same pace she would have run about 7.5 miles.

Hope I Helped :)

7 0

3 years ago

Read 2 more answers

7(2+5v)=3v+14 can anyone help???

arsen [322]

7(2+5v)=3v+14
14+35v=3v+14
-3v -3v
14+32v=14
-14 -14
32v=0
÷32 ÷32
v=0

hope this helps!!

5 0

3 years ago

Read 2 more answers