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otez555 [7]
4 years ago
9

Is 1.5/7.5 a rational number

Mathematics
1 answer:
MissTica4 years ago
4 0
A rational number is a number that can be written as a simple fraction (as a ratio) and an irrational number is a number that cannot be written as a simple fraction (irrational means not rational) Example: 1.5 is rational because it can be written as 3/2. 7.5 is rational because it can be written as 15/2, so in my mind, yes it is rational because both top and bottom are rational. Hope this helped!! :):) 
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Please help me <33333
mariarad [96]
Comment
You have to begin by declaring what g(f(x)) means. It means that wherever you see an x in g(x) you put in f(x).

I
t will look like this to start with
g(f(x)) = (f(x) + 5) / (f(x) 

Now substitute into this for g(-3)

g(x^2 + 5) = (x^2 + 5 + 5)/(x^2 + 5) It's time to use some numbers.
g(- 3) = ((-3)^2 + 10)/( (-3)^2 +5)
g(-3) = ( 9 + 10 ) / ( 9 + 5)
g(-3) = (19)/14 <<<<<< answer.
C <<<< answer. 
8 0
3 years ago
Solve for x in -4| x - 3| = -16
andrey2020 [161]

Answer:

x=9

Step-by-step explanation:

-4|x-3| = -16

-4+x-3 = -16

-7+x = -16 (add -4 and -3)

x = -16+7 (add -7 to -16)

x=9

8 0
3 years ago
What is the fraction between<br> 2/7 and 5/12 with the lowest denominator<br> possible?
shtirl [24]
2 x 12 24
—- = ——
7 x 12 84


5 x 7 35
— =. ——
12 x 7 84



24 divided by 12 2
—- = ——
84 divided by 12 7



35 divided by 7 5
—- = —-
84 divided by 7 12


(i hope i did this right)
7 0
4 years ago
I need help please for math
Ipatiy [6.2K]
Do you have the paper called a cheat sheet, it show from gallons to liters
6 0
3 years ago
I forgot about how you do this and answer. Do you mind to also explain the steps?
photoshop1234 [79]

Answer:

C.

Step-by-step explanation:

First, call the unknown angle x.

Use the Exterior Angle Theorem:

140 = 45 + x

x = 95°

7 0
3 years ago
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