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Whitepunk [10]
2 years ago
11

If f(x) = 1-x which value is equivalent to |f(i)|

Mathematics
1 answer:
suter [353]2 years ago
6 0
That answer would be the square root of 2
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Select all the equations that represent functions where the range decreases as the domain increases.
taurus [48]
A, C, and E.
you can check them by putting into y=mx+b form. if m is negative then as domain increases range decreases.
3 0
3 years ago
How much of a 60% acid solution must be mixed with 50 gallons of a 24% acid solution to obtain a solution that is 50% acid?
tiny-mole [99]
My teacher taught me a simple equation for these types of problems:
(percent of solution × amount of solution) + (percent of solution × amount of solution) = (percent of solution × total amount of solution) 
in simple terms:    %amount + %amount = %total amount
We know don't know how much gallons of 60% solution we need so it will be represented as x. We dont know the total amount either so it would have to be both solutions added together so 50 + x. Now lets solve:
(0.60)(x) + (0.24)(50) = (0.50)(50 + x)            simplify/ distribute
0.6x + 12 = 25 +0.5x                  get all xs on one side and numbers on other
0.1x + 12 = 25
0.1x = 13    divide both sides by 0.1 to find x
x = 130
You need 130 gallons of 60% solution.
8 0
3 years ago
Read 2 more answers
Your beginning balance on your lunch account is $55. You buy lunch for 1.75 everyday and sometimes buy a snack for $0.85 after 2
Agata [3.3K]
Multiply 1.75 with 25 because you bought snacks everyday and then you’re left with 11.25

Now subtract .20 because you were left with that on day 26 and you get 11.05

Lastly you divide 11.05 with .85 to see how many snacks you bought

ANSWER IS 13 snacks
3 0
3 years ago
What is the reciprocal of -2 2/3
BaLLatris [955]

Answer:

-3/8

Step-by-step explanation:

First rewrite -2 2/3 as an improper fraction:  -8/3

Now invert this result:  -3/8

This is the reciprocal of -2 2/3.

3 0
2 years ago
Read 2 more answers
Simplify the following: x^4 - 5x⁴ + x² - 6x² ​
lys-0071 [83]

Answer:

I think − 4 ⁴   −  5 ²  

Step-by-step explanation:

I might be wrong.

3 0
2 years ago
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