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3 years ago

Can you help me with my math

Mathematics

1 answer:

viktelen [127]3 years ago

3 0

Answer:WHERE IS IT

Step-by-step explanation:

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Two trains travel directly toward each other. One of the trains travels at a rate of 12 km/h while the other travels at a rate o

Schach [20]

Write the equation of the first train: x = 12t
Write the equation of the second train: y = -20t+72, assuming the train one is at the origins when t = 0.
Now solve the equation: 12t=-20t+72,
32t = 72, then t = 2.25 hours. The two train meet after 2.25 hours.
Now the equation of the <span>pigeon is like this: x = 48t.
</span>Then for t = 2.25, we get
$x=2.25\times48=108 km$

<span>The Hyde has flown 108 km when the trains meet.</span>

4 0

3 years ago

Help with these algebra 2 questions

monitta

$Given\;:\sqrt{-18} - \sqrt{-32}$

we know that i² = -1

$\implies\sqrt{18}i - \sqrt{32}i\\$

$\implies 3\sqrt{2}i - 4\sqrt{2}i$

$\implies -i\sqrt{2}$

6 0

3 years ago

Read 2 more answers

The difference of 20 and x

Anni [7]

Answer:

20-x

Step-by-step explanation:

you need the value of x to answer

8 0

2 years ago

Pls provide an explanation if possible

mote1985 [20]

Answer:

6661 divided by 2

Step-by-step explanation:

idrk

4 0

2 years ago

Read 2 more answers

What is the length of AB when A is (-7,-6) and B is (1,0)

NemiM [27]

Answer:

The answer is

<h2>10 units</h2>

Step-by-step explanation:

The distance between two points can be found by using the formula

$d = \sqrt{( {x1 - x2})^{2} + ({y1 - y2})^{2} } \\$

where

(x1 , y1) and (x2 , y2) are the points

From the question the points are

A (-7,-6) and B (1,0)

The distance between them is

$|AB| = \sqrt{( { - 7 - 1})^{2} + ({ - 6 - 0})^{2} } \\ = \sqrt{ ({ - 8})^{2} + ({ - 6})^{2} } \\ = \sqrt{64 + 36} \\ = \sqrt{100} \: \: \: \: \: \: \: \:$

We have the final answer as

<h3>10 units</h3>

Hope this helps you

5 0

3 years ago