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ipn [44]
3 years ago
12

Solve the inequality 16 – 7a ≥ –33. i will mark you brainliest!

Mathematics
2 answers:
Serhud [2]3 years ago
4 0

16 - 7a > (or equal to) -33

+16 +16


-7a > -17

÷7 ÷7


a > (or equal to) -2. 4

steposvetlana [31]3 years ago
3 0

16-7a>-33

-16       -16

-7a>-49

A<7

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<span>3×9+10× 

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2 years ago
Differentiate x^(-3)/3-2x^2-x^(-1)
GaryK [48]

Answer:

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Step-by-step explanation:

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4 0
3 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
1. Find the length of AB if A is (3,6) and B is (-3,2) ​
In-s [12.5K]

Answer:

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Hope this helped!

5 0
3 years ago
Read 2 more answers
Which of the following functions illustrates a change in amplitude?
Pachacha [2.7K]

Hey there! :)

Answer:

C.

Step-by-step explanation:

For a graph to have a change in amplitude, there must be a coefficient in front of the equation, or the 'a' value.

Recall that the transformation form of a trigonometric graph is:

y = ±a(cos(b(x-h))+k

Where 'a' is the amplitude

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'h' is a horizontal shift

'k' is a vertical shift

We can look at each choice and eliminate:

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B. This equation contains a b value of 2. This changes the period of the graph, not the amplitude. This is incorrect.

C. This equation contains a coefficient, or 'a' value of -2. The amplitude is changed by a factor of 2. This is correct.

D. This graph only contains a vertical shift of 1 unit up. This is incorrect.

Therefore, C is the correct answer.

7 0
2 years ago
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