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zhenek [66]
3 years ago
11

i have a test tomorrow about writing ratios in different ways i'm not sure how to tho. How do u do that????????!!!!HELP!!!!!

Mathematics
2 answers:
olga nikolaevna [1]3 years ago
7 0
One way to write a ratio, is as a fraction. For example, you have 6/8, right, so now you basically rewrite that, but instead of the (/) sign, you put the (:) sign, which we normally use for writing ratios. That's the most common way of writing ratios, but also, you can do this;
*you have the same fraction, 6/8, but you basically say it in words. (six to eight) that's exactly how you would say it in words. Remember, your first number thats given is the number you ALWAYS write, or say first
Sphinxa [80]3 years ago
5 0
There are 3 different ways to write a ratio this first is a fraction, 5/8. You could also write it using the word "to", 5 to 8. Finally you could write it using a colon, 5:8. Hope this clears things up for you!
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A train traveling at a speed of 160 km / hr will take 18 hours to cover between two cities . How long will it take a car travell
Bogdan [553]

Answer:

24 hours

Step-by-step explanation:

160 x 18 = 2880

2880/120 = 24

3 0
3 years ago
HERE IS THE TEXT THERE IS MORE THO
Ostrovityanka [42]

Answer:

  1. What exactly is this for?
8 0
3 years ago
Can someone help me please
Llana [10]

Answer:

8: 50 hours

9: 6 inches

10: 43 cm

Step-by-step explanation:

I couldn't see the entirety of 7 because some of the page was folded, so I didn't answer it.

8: Make them equations of y=12x+450 and y=21x. Since both equal y, set them equal to each other so 21x=12x+450. Subtract 12x from both sides to get 9x=450. Divide by 9 on both sides to get 50.

9: The length equals 3w-6 and the width is just w. The perimeter would equal 2w+2(3w-6) which when factored is 2w+6w-12. Simplify to 8w-12. If P=8w-12 and we know P=36, then set the two equations equal to each other so that 8w-12=36. Add 12 to both sides to get 8w=48. Then divide both sides by 8 to get a final answer of w=6.

10. P=x+5x+8+4x-7. Simplify that to P=10x+1. We know that P=71, so set the two equations equal to each other to get 71=10x+1. Subtract 1 from both sides to get 70=10x. Divide both sides by 10 and x=7. Now substitute x in each side of the triangle and we get 7, (4*7-7), and (5*7+8). Solve all of those to get sides of 7, 21, and 43. The question asks what is the length of the longest side, so the answer would be 43.

5 0
4 years ago
Not sure how to reflect it, <br> Help please?
ryzh [129]
My choice to reflect this would be over the y axis. That would be (-1,3) for the bottom left hand corner on the original image.
6 0
4 years ago
Read 2 more answers
6x-9=6(x+3). One solution, infinitely many solutions, no solution?
Solnce55 [7]
There is no solution because when you distribute the 6 on the right side you get
6x+18
So the equation is
6x-9=6x+18
This is unsolvable because x must be the same on both sides, so there are no solutions
4 0
3 years ago
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