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agasfer [191]
3 years ago
7

A train is traveling at a constant speed and goes 7.5 kilometers in 6 minutes. At that rate:

Mathematics
2 answers:
Orlov [11]3 years ago
8 0

For distance in 1 minute, divide the distance for 6 minutes by 6 minutes:

7.5 km / 6 minutes = 1.25 km per minute.

For 100 minutes, multiply distance per minute by total minutes:

1.25 km per minute x 100 minutes = 125 km

nlexa [21]3 years ago
8 0

Answer:

1.25 km in 1 minute

125 km in 100 minutes

Step-by-step explanation:

Find its speed in km/min by dividing the km by number of minutes:

7.5/6

= 1.25

So, the train goes 1.25 km in 1 minute.

Using this speed, find how far it goes in 100 minutes, by multiplying the speed by 100:

1.25(100)

= 125

So, in 100 minutes, the train goes 125 km.

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2 years ago
Right in equation that shows the relationship between time and distance use your equation to find out how long it would take in
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This couldn't be answered!
4 0
3 years ago
Two dice are tossed together. What is the probability of getting an odd number on the second die and a total of five?
wolverine [178]

Probability = (number of ways to succeed) / (total possible outcomes) .

The total possible results of rolling two dice is

   (6 on the first cube) x (6 on the second one) = 36 possibilities.

How many are successful ?  I need you to clarify something first.
You said that the 'second die' shows an odd number.  When a pair
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And in fact, you said that they're "tossed together" (like a spinach and
arugula salad ?) so I would understand that they would lose their identity
unless they were, say, painted different colors, and we wouldn't know
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Oh well, I'll just work it both ways:

First way: 
Two identical dice are tossed.
The total is 5 and ONE cube shows an odd number.

How can that happen ?

1 ... 4
4 ... 1
3 ... 2
2 ... 3         

Four possibilities.  Probability = 4/36 = 1/9 = 11.1% .

=======================================

Second way:
 
A black and a white cube are tossed together.
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B ... W
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3 0
3 years ago
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kirza4 [7]

Okay follow these patterns and you will always get your answer

Cone = (13)πr2h, where r is the radius and h is the height.

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Cylinder = πr2h, where r is the radius and h is the height.

Rectangular prism= l×w×h, where l is the length, w is the width and h is the height.

Sphere = (43)πr3, where r is the radius.

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5 0
3 years ago
What is the slope of the line on the graph below? On a coordinate plane, a line goes through points (negative 2, negative 3), (n
Anestetic [448]

Answer:

2

Step-by-step explanation:

We can use 2 points to find the slope

m = (y2 -y1)/(x2-x1)

Using ( 0,1) and (1,3)

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7 0
3 years ago
Read 2 more answers
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