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natali 33 [55]
3 years ago
15

Which pair of ratios form a proportion?

Mathematics
2 answers:
Roman55 [17]3 years ago
7 0
Your answer is B::))


Tpy6a [65]3 years ago
6 0
It is 8:12 and 18:27 because both equals 2/3
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Simplify the following expression:<br><br> 2(x+7) - (x+2)
Mekhanik [1.2K]

Answer:

x + 12

Step-by-step explanation:

  • (2)(x)+(2)(7) + (-1)(x) + (-1)(2)
  • 2x + 14 -x -2
  • (2x-x)+(14-2)
  • x + 12

Therefore, the answer is x + 12.

Have a lovely rest of your day/night, and good luck with your assignments! ♡

8 0
2 years ago
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The total fare for two adults and three children on an excursion boat is $14. If each childs fare is one half of each adults far
zvonat [6]
Make each adult x and each kid 5x
 and
set equal to 14.
 so it would be
 3.5x=14.
 14/3.5 = 4
so
x  = 4.
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7 0
3 years ago
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Describe the symmetry of these functions
Oduvanchick [21]
If it was line symmetry it would need to repeat the same shape twice, which the first follows but the second doesn’t.
if it was rotational, you would need to be able to take the shape in the top right and rotate it counterclockwise or clockwise to get the shape that locks in place. that doesn’t follow that.
both line and rotational symmetry is incorrect because the first example would need to lock up inside the right side of that example.

the answer is C
5 0
3 years ago
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What is the sum of 52 and its additive inverse?
Lisa [10]
Hello there!

The additive inverse of any number just means to flip it's value.

For example;

The number "3" would have an additive inverse of "-3".
The number "-15" would have an additive inverse of "15".

Since we have "52", we can flip the value sign of it.
We now have -52 and 52.

Since the question asked us to sum our numbers, we need to add them.

-52 + 52 = 0

The sum of 52 and its additive inverse is 0. 

 I hope this helps!
5 0
3 years ago
Given that 1 in. = 2.54 cm exactly, indicate what conversion factor is appropriate to convert 12.4 in. to centimeters.
Dahasolnce [82]

You are given that 1 inch = 2.54 centimeters, so to convert 12.4 inches to centimeters, you would multiply 12.4 in by 2.54 cm.

4 0
4 years ago
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