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kozerog [31]
2 years ago
11

Nick is doing some math exercises on a website called Khon Academy. In Khon Academy, you have to get at least 70%, percent of th

e problems in an exercise right in order to gain proficiency.
So far, Nick answered one question, and he didn't get it right. Suppose he answers 75%, percent of the following questions correctly and gains proficiency in the exercise.
Write an inequality in terms of that models the situation.
Mathematics
2 answers:
ASHA 777 [7]2 years ago
8 0

Answer:

0.75q/q+1 greater than or equal to .7

Step-by-step explanation:

ra1l [238]2 years ago
4 0

Answer:

0.75q/q+1 greater than or equal to .7

Step-by-step explanation:

Hope you get this! I suck at math but, hopefully I was right.

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Please answer this correctly
OlgaM077 [116]

Answer:

$21.57

Step-by-step explanation:

4.5 (1.22) + 0.8 (1.70) + 4.6 (3.20) =

5.49 + 1.36 + 14.72

21.57

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Write a real world problem for 5n+8=43
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MARKING AS BRAINLIEST!! Starr if given functions are inverse)!
Kitty [74]

Answer: They are inverses of each other

==========================================================

Explanation:

We'll need to compute h(f(x)) and f(h(x)) to see if we get x each time.

h(x) = 9x-4\\\\h(f(x)) = 9(f(x))-4\\\\h(f(x)) = 9\left(\frac{x+4}{9}\right)-4\\\\h(f(x)) = x+4-4\\\\h(f(x)) = x\\\\

and,

f(x) = \frac{x+4}{9}\\\\f(h(x)) = \frac{h(x)+4}{9}\\\\f(h(x)) = \frac{9x-4+4}{9}\\\\f(h(x)) = \frac{9x}{9}\\\\f(h(x)) = x\\\\

Both composite functions lead to x each time.

The equations h(f(x)) = x and f(h(x)) = x being true means each function is the inverse of the other.

5 0
2 years ago
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Answer:

C

Step-by-step explanation:

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3 years ago
If a negative number is multiplied by an exponent does it become positive
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No it doesn't become positive
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