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kobusy [5.1K]
3 years ago
13

Are the ratios 4:9 & 12:18 equivalent?

Mathematics
2 answers:
tresset_1 [31]3 years ago
8 0
No since if you multiply 4 and 9 you end up with 8:18 which isn't equal to 12:18. This can also be solved by simplifying 12:18 to 6:9 which again isn't equal to 4:9.
-Hope this helps :)
Zigmanuir [339]3 years ago
7 0
No they aren't because they both can't be multiple by the same number
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Which is the correct one???
Alik [6]

Answer:

52

Step-by-step explanation:

5x-22+4x+4 = 90

9x-18=90

9x=108

x=12

4*12+4

52

6 0
3 years ago
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Equivalent express15n+5n
makkiz [27]
♥ Let's solve:

15n+5n can be known as 15+5.

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3 years ago
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3x-5y= -7<br> 9x+7y= 89 <br><br> Solve the system of equations and enter answer an an ordered pair.
Sati [7]
Honestly I don't know that is a really hard question
8 0
3 years ago
The graph of the function F(x) = 2x^2-8 is changed. The new graph can be
vova2212 [387]

Answer:

The graph now opens in the opposite direction. The y intercept is shifted up 4.

Step-by-step explanation:

F(x) = 2x^2-8

F(X)= -2x^2-4

We know that the graph is reflected over the y-intercept becuase of the negative sign in the second equation ( F(X)= -2x^2-4)

We know that the intercept is shifted up four, because the number decreased from 8 to 4, and the graph is reflected.

Attacthed is both of the equations graphed to help you visualize this shift!

6 0
3 years ago
I need help please??!!!
Svetradugi [14.3K]

Hello there! This statement is TRUE.

The question is asking you if it is true that 11 - 4 is greater than 4 + 2. To get an answer, Solve both of the problems.

11 - 4 = 7.

4 + 2 = 6.

So, is 7 greater than 6? Yes, it is greater than 6 by 1. This means the answer is true. I hope this was helpful and have a great rest of your day!

4 0
3 years ago
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