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gulaghasi [49]
3 years ago
14

Noel correctly answers 80% of the questions on a test with

Mathematics
2 answers:
adell [148]3 years ago
8 0
40 x (80/100)
= 32
So answer will be 32
Snezhnost [94]3 years ago
7 0

Answer:

32

Step-by-step explanation:

i had this in i-ready quiz!

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What does the x-intercept sometimes represent in a real world problem
UNO [17]
I think it represents where something is starting from, like something growing up (a chart with rising numbers)
3 0
3 years ago
Evaluate each function.<br> 1) f(x) = x2 + 4x; Find f(-7)
katrin [286]

Answer:

The answer is -77

Step-by-step explanation:

Ok, so assuming by x2 you mean x squared, I will solve this. So basically when you have a function, f(-7) would mean that you would have to replace all the x's in the equation with -7. So let's write that out. that would be f(-7) = -7^2 + (-7*4). So now according to PEMDAS, you would solve the exponent first, and -7^2 is equal to -49, because when you solve it you would do -(7^2), which is -(49), which is then -49. So now you have f(-7)= -49+ (4*-7). Solving for (4*-7), you get -28. This leaves you with -49 + (-28), which is -49 - 28. Simplifying that, you get the answer, which is -77.

5 0
3 years ago
PLEASE HELP!!! Y=f(x)=(4)^x find f(x) when x=1/2
UNO [17]
\left[Y \right] = \left[ f(x)\right][Y]=[f(x)] .
I hope helping with u this answer
5 0
3 years ago
Read 2 more answers
I need this two questions
Setler79 [48]

Just solve.

(17-k)^3\\k=12 \\ \\ (17-12)^3 \\ \\ (5)^3 \\ \\ 125\\

\\\\(5+2n)^5 \\ n=-2 \\ \\ (5+2(-2))^5 \\ \\ (5-4)^5 \\ \\ (1)^5 \\ \\ 1

4 0
3 years ago
All 14 members of the high school swim team borrowed $8 each from their coach to purchase dinner while at an away meet. Write a
sladkih [1.3K]

Answer:

14 * 8 = money given out

Step-by-step explanation:

#of people given money * (times) amount per person.

6 0
3 years ago
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