MATHEMATICS MIDDLE SCHOOL

Train A arrives at central station on the hour and every 12 minutes .train B arrives on the hour and every 15 minutes .
when do both trains arrive at the same time ?

Answers

Answer 1
Answer: both trains arrive after train a has made its forth trip so every 5 trips

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If y = 4x -1, which of the following sets represents possible inputs and outputs of the function, represented as ordered pairs?O {(2,5), (4, 12), (9,25)
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O {(7,24).(-1,-9), (-8, 35)
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Answers

Step-by-step explanation:

umm the 2nd one?

Is this multiple choice?
The 2 one maybe I think

In a football tournament, the Bees scored 9 less than three times as many points as the Hornets. The Wasps scored 28 more points than the Hornets. Together the three teams scored 184 points. Let x represent the number of points scored by the Hornets

Answers

x = 33 Because with the equation (3x-9)+x+(x+28) you just solve for x by subtracting twenty eight and adding 9 to both sides then you get 5x=165 then divide by 5 on both sides and you get x = 33. Hope this helps.

  x=90 on e2020........................................................................

Help me please, I really struggle with graphs

Answers

RIRI ...

Check out the picture I attached.

How many different ways can you write a fraction that has a numerator of 2 as a sum of fractions

Answers

Infinitely many ways! 
Suppose you have the fraction 2/d.

Pick any pair of integers a and b where b ≠ 0.
Then 2b-ad is and integer, as is bd so that (2b - ad)/bd is a fraction.

Consider the fractions a/b and (2b - ad)/bd

Their sum is 
a/b + (2b-ad)/bd = ad/bd + (2b-ad)/bd = 2b/bd = 2/d - as required.

Since a and b were chosen arbitrarily, there are infinitely many possible answers to the question.

Evaluate z + z + z for x = 2, y = -3, z = -4.

Answers


" z + z + z " is just  3z  and doesn't depend on 'x' or 'y'.

If  z=-4, then (z + z + z) = 3z = -12.

John gets a new job and receives a $500 signing bonus. After that he makes 150 a day The slope is?

Answers

the slope is 150 a day.

Hope this helps!

What’s the y axis though
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