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3 years ago

The train went 300 miles in 3 hours; the ___ was 100 miles per hour.

Mathematics

2 answers:

juin [17]3 years ago

8 0

Answer:

Unit rate so, B

Step-by-step explanation:

The unit rate is basically a ratio between two different units

So when we divide 300 by 3, 300/3, we get 100 and that is the unit rate.

It's not the origin because the origin is the starting point and the coordinate plain, is well, a coordinate plain!

Aleksandr [31]3 years ago

6 0

Answer:

Unit rate

Step-by-step explanation:

unit rate: A rate is a ratio that is used to compare different kinds of quantities.

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4 bells toll together at 9 am. They toll after 7, 8. 11 and 12 seconds respectively. How many times will they toll together agai

Svetach [21]

Answer:

5 times

Step-by-step explanation:

What we need to do here is to find the lowest common multiple of 7,8,11 and 12

This is;

1848

Now, let’s calculate the number of seconds in 3 hours

In 1 hour, we have 3600 seconds

In 3 hours, this will be;

3600 * 3 = 10,800 seconds

So, to find the number of times in which all 4 will toll together, we need to know the number of 1848 seconds in 10,800 seconds

Mathematically, that will be;

10,800/1848 = 5.844

Our answer will be 5 times however

This is because the sixth time they would have sounded together would be more than the 3 hours time frame

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3 years ago

What is the equation of this line?

Juli2301 [7.4K]

Answer:

Not sure but i think its C. y=-2x-3

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3 years ago

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I will give Brainliest two whoever answers 1st (if correct)

tatuchka [14]

Answer:

It would increase. I am not sure though.

Step-by-step explanation:

Please give me brainliest :)

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2 years ago

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Miranda has a bag of marbles with 5 blue marbles, 1 white marbles, and 1 red marbles. Find the following probabilities of Mirand

kvasek [131]

Answer:

(a) $\frac{5}{7},\frac{1}{6}$ (b) $\frac{1}{7},\frac{1}{6}$ (c) $\frac{5}{7},\frac{2}{3},\frac{3}{5}$

Step-by-step explanation:

GIVEN: Miranda has a bag of marbles with $5$ blue marbles, $1$ white marbles, and

TO FIND: a) A Blue, then a red Preview

,b)A red, then a white Preview

,c) A Blue, then a Blue, then a Blue.

SOLUTION:

Total marbles in bag $=7$

(a)

Probability of drawing blue marble $=\frac{\text{total blue marble}}{\text{total marbles}}$

$=\frac{5}{7}$

As marble is not returned to bag,

Probability of drawing red marble $=\frac{\text{total red marble}}{\text{total marbles}}$

$=\frac{1}{6}$

(b)

Probability of drawing red marble $=\frac{\text{total red marble}}{\text{total marbles}}$

$=\frac{1}{7}$

As marble is not returned to bag,

Probability of drawing white marble $=\frac{\text{total white marble}}{\text{total marbles}}$

$=\frac{1}{6}$

(c)

Probability of drawing blue marble $=\frac{\text{total blue marble}}{\text{total marbles}}$

$=\frac{5}{7}$

As marble is not returned to bag,

Probability of drawing second blue marble $=\frac{\text{total blue marble}}{\text{total marbles}}$

$=\frac{4}{6}=\frac{2}{3}$

As marble is not returned to the bag

Probability of drawing third blue marble $=\frac{\text{total blue marble}}{\text{total marbles}}$

$=\frac{3}{5}$

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3 years ago

The length of a rctangle is to more than the

hram777 [196]

Answer:

19 m

Step-by-step explanation:

The width is 2 less than the length, so the perimeter is ...

P = 2(L +W)

72 = 2(L +(L -2))

76 = 4L . . . . . . . . add 4

19 = L

The length of the rectangle is 19 meters.

7 0

3 years ago