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3 years ago

13

Josie is training for a race.The ratio of the number of minutes she runs to the number of miles she runs is 24 to 3 she plans to

run 10 miles.How many minutes will it take

2 answers:

Fiesta28 [93]3 years ago

7 0

Answer:

80 minutes

Step-by-step explanation:

She runs an 8 minute mile (which you can do by dividing 24/3), then how long will it take her to run 10 miles?

All you have to do from there is multiply 8x10, which gives you 80.

It'll take 80 minutes of 1:20 hours

kap26 [50]3 years ago

4 0

Answer:

A:8

B:15

C:40

Hope this helps I just did it right now

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15.1416 liters

Step-by-step explanation:

I just looked at my table and it said how many liters then I measured it

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What is the common denominator 4/15 and 1/3? Need answers ASAP

vlabodo [156]

Answer:

15

Step-by-step explanation:

To find the common denominator we look for the LCM

15: 15,30,45,60

3: 3,6,9,12,15

Our LCM is 15

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3 years ago

On a particular map, 3 inches on the map equates to 10 miles in real life. If you know that the real-life distance between two b

Yakvenalex [24]

Answer:

$15\dfrac{39}{40} $ inches$

Step-by-step explanation:

On the map, 3 inches = 10 miles in real life.

Therefore:

10 miles: 3 Inches

$1$ miles rep $ \dfrac{3}{10}$ inches$

If the real-life distance between two buildings is 53.25 miles

Distance on the map

$\dfrac{3}{10}$ X 53.25 inches\\=15.975 inches$

$=15\dfrac{39}{40} $ inches$

The distance between the two buildings on the map is therefore: $15\dfrac{39}{40} $ inches$

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3 years ago

2) Which number would divide the numerator and the denominator of the first

Tasya [4]

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6

Step-by-step explanation:

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3 years ago

In a newspaper poll concerning violence on television, 589 people were asked, "What is your opinion of the amount of violence on

abruzzese [7]

Answer:

(a) $P(Y'|M)\approx 0.3297$

(b) $P(Y|M')\approx 0.8323$

(c) $P(Y'|M')\approx 0.1323$

Step-by-step explanation:

Given table is

Yes No Don't Know Total

Men 162 92 25 279

Women 258 41 11 310

Total 420 133 36 589

According the the conditional probability, if A and B are two event then

$P(A|B)=P(\frac{A}{B})=\frac{P(A\cap B)}{P(B)}$

We need to find the following probabilities.

Let Y is the event "saying yes," and M is the event "being a man."

(a)

$P(Y'|M)=\frac{P(Y'\cap M)}{P(M)}$

$P(Y'|M)=\frac{\frac{92}{589}}{\frac{279}{589}}$

$P(Y'|M)=\frac{92}{279}$

$P(Y'|M)=0.329749103943$

$P(Y'|M)\approx 0.3297$

(b)

$P(Y|M')=\frac{P(Y\cap M')}{P(M')}$

$P(Y|M')=\frac{\frac{258}{589}}{\frac{310}{589}}$

$P(Y|M')=\frac{258}{310}$

$P(Y|M')=0.832258064516$

$P(Y|M')\approx 0.8323$

(c)

$P(Y'|M')=\frac{P(Y'\cap M')}{P(M')}$

$P(Y'|M')=\frac{\frac{41}{589}}{\frac{310}{589}}$

$P(Y'|M')=\frac{41}{310}$

$P(Y'|M')=0.132258064516$

$P(Y'|M')\approx 0.1323$

5 0

3 years ago