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icang [17]
3 years ago
13

Train A & train B leave a central station at the same time. They travel at the same speed, but one in opposite directions, w

ith train a heading towards station a, and train b heading towards station b. Train a reaches station a after 3 hours, train b reaches station b after 2 1/4 hours. Station a & be are 420 miles apart. What is the rate of the train
Mathematics
1 answer:
saul85 [17]3 years ago
7 0

you can do it, man
I believe in you
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What are three 2-digit numbers that divide into 1520?
vlada-n [284]
1520 ÷ 10 = 152

1520 ÷ 20 = 76

1520 ÷ 40 = 38
7 0
3 years ago
Tonya and Pearl each completed a separate proof to show that alternate interior angles AKL and FLK are congruent. Who completed
zalisa [80]

Answer:

Tonya proof is correct
and Pearl proof is wrong

Step-by-step explanation:

AKL and GKB are obviously congruent. But the reasons given are different, One of the justification is Vertical Angles Theorem, and the other is Adjacent Angles.

But the correct justification is the Vertical Angles Theorem, because the angles are Vertically away from each other, or the angles are at opposite sides of each other. Which is when Vertical Angles Theorem is applied.
Making Tonya correct since that was the answer he given.

The definition of Adjacent Angles is incorrect, this Theorem is used when the angles are Adjacent to each other. When the angles are on the same line as the other angle, is when the definition of Adjacent Angles is applied. Not in this situation

8 0
1 year ago
How do you write the equation of this description: the graph of a parabola has a vertex of (2,3) and vertically stretched by 3
Mademuasel [1]

The equation of parabola is  y = 3x²- 12x+ 15.

<u>Step-by-step explanation:</u>

The equation of the parabola is given as y = x².

If it has a vertex then the equation can be written as,

y = a(x-h)² + k

where (h, k ) is the vertex and a is the stretching or compressing factor.

So here the vertex is (2,3) and it is vertically stretched by 3.

So the equation is given as,

y = 3(x-2)² + 3

y = 3(x² -4x+4) + 3

 = 3x² - 12x + 12 + 3

y = 3x²- 12x+ 15 is the equation of the parabola.

3 0
3 years ago
What is the slop of the line y-3=5(x-2)
Llana [10]

Answer:

5

Step-by-step explanation:

The equation is written in point slope form [ y - y1 = m(x - x1) ] where m = slope. "m" in the given equation is 5 which is the slope.

Best of Luck!

3 0
3 years ago
Read 2 more answers
There are 212.5 grams of sugar in a 2-liter bottle of soda. How much sugar is there in 4.5 bottles? please HELP ME ​
drek231 [11]
956.25 is the answer

Because 1 bottle is 212.5 grams of sugar you can just multiply that by 4.5 because there are 4 bottles and a half of a bottle
3 0
3 years ago
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