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3 years ago

Pls answer it i will give brainly and no links pls ty worth 29 points

Mathematics

2 answers:

Mariulka [41]3 years ago

7 0

I think the answer is 7. 5 miles

Serga [27]3 years ago

4 0

Answer:

7.5mph (1 d.p)

Step-by-step explanation:

First, I worked out what a third of an hour was to match the unit mph.

60 minutes / 3 = 20 mins

A third of an hour is 20minutes so two thirds of an hour is 40 minutes.

But as we know, one third as a decimal is 0.33(reccuring) so therefore two thirds as a decimal is 0.66, which we need to use.

Now, we need to remember the equation. Speed = distance / time

Place the facts we already know in place.

speed = 5miles / 0.66 (using a calculator.)

speed = 7.5mph (1 d.p)

Hope this helps and you have a good day!

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A bag contains eleven equally sized marbles, which are numbered. Two marbles are chosen at random and replaced after each select

Digiron [165]

Answer:

B. $\frac{24}{121}$ .

Step-by-step explanation:

Total number of marbles = 11.

Since, after choosing the first marble, we are putting it back and then the second marble is chosen.

As, there are 4 shaded marbles.

So, the probability of getting the first marble shaded = $\frac{\binom{4}{1}}{\binom{11}{1}}$ = $\frac{4}{11}$

Also, there are 6 odd labeled marbles.

So, the probability of getting the second marble being odd labeled = $\frac{\binom{6}{1}}{\binom{11}{1}}$ = $\frac{6}{11}$

So, the probability of getting the first marble shaded and second marble labeled odd = $\frac{4}{11}\times \frac{6}{11}$ = $\frac{24}{121}$ .

Hence, the required probability is $\frac{24}{121}$ .

4 0

3 years ago

Read 2 more answers

Plz help me:( and have a good rest of your day

diamong [38]

Answer:

Step-by-step explanation:

to be a right triangle, the squared of the base and height must equal the hypotenuse squared:

$\sqrt{\left(3.45^2\right)+\left(9.75^2\right)}$ = 10.34238

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3 years ago

There are 1200 balls in a ball pit. 35.5% of them are green. How many green balls are there?

anyanavicka [17]

Answer:

426

Step-by-step explanation:

35.5% of 1200 is 426

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3 years ago

265 miles in 10 hour. how many hours per mile

NISA [10]

Answer: 26.5 mph, or miles per hour

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3 years ago

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22 less than 6 times a number is 92. What is the number?

Romashka [77]

Answer:

n=19

Step-by-step explanation:

6n - 22 = 92

+ 22 +22

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6 6

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3 years ago