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Dovator [93]
2 years ago
10

PLEASEEE!!! HELP ME!! ​

Mathematics
2 answers:
sdas [7]2 years ago
4 0

Answer:

A). 23

Step-by-step explanation:

nexus9112 [7]2 years ago
3 0
A. 23 do you need explanation?
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Olga tried to solve an equation step by step
LuckyWell [14K]

Answer:

made a mistake in step 3

Step-by-step explanation:

from step2; 1/3k=15 then making k the subject ,k=15*3 so the value of k will be 45

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Which of the following is not a way to represent the solution of the inequality 2(x − 1) greater than or equal to −12?
grandymaker [24]
2(x - 1) > = -12
2x - 2 > = -12
2x > = -12 + 2
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x > = -10/2
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5 0
2 years ago
f(x) = x2. What is g(x)?SIf(x)= x/g(x)(2,1)-5O A.06)-()O B. g(x) = 2x2O C. g(x)-9(x)=(*)O D. g(x)= x2
Andrew [12]
Explanation

As you can see all the possible answers have the same form:

g(x)=ax^2

By looking at the picture you'll notice that the graph of g(x) has to pass through the point (2,1). Remember that the points in the graph of g(x) have the form (x,g(x)). Since (2,1) is part of the graph of g(x) then we have the following:

\begin{gathered} (2,1)=(x,g(x)) \\ x=2 \\ g(2)=1 \end{gathered}

So let's evaluate the expression for g(x) that we wrote before at x=2. This way we'll obtain an equation for the number a:

\begin{gathered} g(2)=1=a\cdot2^2 \\ 1=4a \end{gathered}

Then we can divide both sides by 4:

\begin{gathered} \frac{1}{4}=\frac{4a}{4} \\ a=\frac{1}{4} \end{gathered}

Then we get:

g(x)=\frac{1}{4}x^2=(\frac{1}{2}x)^2Answer

Then the answer is option A.

3 0
11 months ago
If f(x) = x+9 what is f(#)?
alexandr402 [8]
What is #, is it 1, 2, 3??
7 0
3 years ago
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