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Nitella [24]
3 years ago
9

?????????!!?????????????!!!????

Mathematics
2 answers:
Tasya [4]3 years ago
4 0

Answer:

a

Step-by-step explanation:

Verdich [7]3 years ago
4 0

Answer:

a

Step-by-step explanation:

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A goods train runs at the speed of 72 kmph and crosses a 250 m long platform in 26 seconds. What is the length of the goods trai
Flauer [41]

The length of the goods train is 270 meters.

Given that, a goods train runs at the speed of 72 kmph and crosses a 250 m long platform in 26 seconds.

<h3>What is the distance formula with speed and time?</h3>

Speed is defined as the rate at which an object moves from one place to another in a given interval of time. It is a scalar quantity as it defines only the magnitude not the directions of an object moving. The S.I. unit of speed is m/s.

The speed of a moving object can be calculated as Speed = Distance / Time.

Now, to convert km/h to m/sec multiply the measure by 5/18.

That is, 72 × 5/18 = 20 m/sec

Let the length of the train be x metres.

So, then (x+250) / 26 = 20

⇒x+250=520

⇒x=270 meters

Therefore, the length of the goods train is 270 meters.

To learn more about the speed visit:

brainly.com/question/7359669.

#SPJ4

5 0
2 years ago
Anyone help me ASAP, its due in an hour, plz show all the working, THANK YOU SO MUCH
Leona [35]

Answer:

Step-by-step explanation:

First, start out with the parent function:

y = b^{x}

Now, we look at the transformations, and make the equation.

We see that the graph <u>shifted down 4 units</u>, since the <u>graph's horizontal asymptote</u> is at y = -4.

y = b^{x} - 4

We see point (0, -3) to point (1, -1). The value of b would be 3. The reason is that when you <u>plug 0 in, you get 1, then 1 - 4 equals 3. (0, -3),</u>

<u>Then, when you plug in 1, you get 3, then 3 - 4 equals -1. This matches up with the graph.</u>

<u />

This is the answer:

y = 3^{x}-4

#teamtrees #WAP (Water And Plant)

8 0
3 years ago
IN NEED OF MORE HELP AND THANK YOU IF YOU ANSWER
Lorico [155]

Answer:

512

Step-by-step explanation:

5.12 converted to a fraction is 512/100

3 0
3 years ago
Bella measured the heights of her corn stalks in centimeters. The heights are 81,88,69,65,87.
AleksAgata [21]

Answer:

78 cm should be the correct answer

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
URGENT AND SIMPLE question pls:))) You dont have to do all of it, if you could just give me the equation for this problem, that
Mashcka [7]

If Ann can build the model in 3 hours, then in 1 hour she gets 1/3 of it done. Likewise, if Sam can build the model in 6 hours, then in 1 hour he gets 1/6 of it done. We are looking to find how long it takes when they combine their efforts, so we will add the two together and set it equal to 1/x, x being the number of hours it takes for both of them to get the whole job done. The equation then looks like this: \frac{1}{3}+\frac{1}{6}=\frac{1}{x}. You will have to find the common denominator to add those fractions, and once you do, cross multiply to solve for x.

5 0
3 years ago
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