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Vanyuwa [196]
3 years ago
9

Ten more than half a number is 9

Mathematics
1 answer:
Flauer [41]3 years ago
5 0
I guess the number is being taken of by 1
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Two trains are traveling towards each other at a constant speed. The trains are currently 714 miles from each other. The speeds
shutvik [7]
55mph.

you can solve it using the equation distance=speed x time

your total distance is 714, and you have 2 trains, one traveling some speed, x, and one traveling x+8, both traveling for 7 hours. 
your equation would look like this
714 = x(7) + (x+8)(7)
and you can then solve for x, which would be 47. this is the speed of the slower train, but 47+8=55 with give you the speed of the faster train. 
6 0
3 years ago
Helppp I will make u a brainlist!!
adelina 88 [10]

Answer:

Answer 2

Step-by-step explanation:

the number are being added together based on their position

3 0
3 years ago
Read 2 more answers
If the point (x, y) is on the y-axis, which of the following must be true? A). x=0 B). y=0
Musya8 [376]

Answer:

X = 0

Step-by-step explanation:

3 0
3 years ago
PLEASE HELP ME QUICK!!!Can you form a triangle with angle measurements of 50°, 50° and 100° explain why or why not.
alex41 [277]

Answer:

No, you can't form a triangle because angles in a triangle add up to 180 degrees.

Step-by-step explanation:

100+50+50= 200 degrees, which means that you cant form a triangle with these measurements because angles in a triangle have to add up to 180 degrees.

7 0
3 years ago
The function f(t)=t^2+12t-18 represents a parabola. Part A: Rewrite the function in vertex form by completing the square. Show y
ale4655 [162]
The function in vertex form is f(t) = (t+6)^{2} -54 (refer to your other post I solved it there).
The general form of quadratic equations in vertex form is f(x) = a(x-h)^{2} +k, where (h, k) is the vertex of the parabola.
Here, a = 1, h = -6 and k = -54
Therefore, the vertex is (-6, -54) and it is a maximum because a = 1 is postive.
6 0
3 years ago
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