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Sliva [168]
4 years ago
5

Which number is irrational? A. 3/8 B. 56/8 to the fourth C. 36 to the fourth over 4 to the fourth D. 0.19 repeating

Mathematics
1 answer:
mixer [17]4 years ago
4 0
I believe that none would be irrational; an irrational number can't have terminating or repeating decimals. 3/8= .375, (56/8)^4=7^4=2,401, 36^4/4^4=6561, and .19 repeating is a repeating decimal. 
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Determine what the solution is to the following system? Y=3/4x-1 & y=4/3x-1
vichka [17]

Answer:

(0, -1)

Step-by-step explanation:

There are multiple ways of solving this however- since both equations are already in Y-Intercept form, we will use the "Equal Values Method"

First, since both equations are equal to Y, we can set them equal to each other and solve for X

\frac{3 }{4} x - 1 =  \frac{4}{3} x - 1

To start, you must eliminate the fraction using a "fraction buster" multiply EVERYTHING by 4 then simplify.

3x - 4 = 5 \frac{1}{3}x  - 4

Since we still have a fraction, we shall do it one more time. This time we multiply by 3

9x - 12 = 6 x - 12

Now, solve how you normally would.

9x = 6x

-6x

3x = 0

X = 0

Now, since we know what X would equal in the solution, we are able to plug in X as 0 in one of our equations. We can choose the first one!

y =  \frac{3}{4} (0) - 1

Now solve which would lead to y = -1

You have your solution as

(X,Y)

(0,-1)

Hope this helps!

4 0
3 years ago
F(x) = 1/x g(x)=x-4 can you evaluate (g*f)(0) ? Why or why not?
Dmitriy789 [7]

(g\cdot f)(x)=\dfrac{1}{x}-4

D_{g(f(x))}:x\not =0

No, since 0 doesn't belong to the domain.

5 0
3 years ago
Evaluate the function fx = 4 * 7^t for x= -1 and x=2
Alex73 [517]
Well what i think you're asking here...I apologie if I'm wrong but what I did was 

f(-1) = 4 * 7^t = 4/7 

and 

f(2) = 4 * 7^t = 196.

Is this what you wanted if not I can...try another way. 
6 0
3 years ago
Help me no link please ​
Genrish500 [490]

Answer:

is it only my or is the picture like static

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Write the fraction 7/33 as a decimal.
timama [110]
 7/33 as a decimal is <span>0.21212121212</span>
7 0
3 years ago
Read 2 more answers
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