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alexgriva [62]
3 years ago
12

Brainliest 100pts Bad answers = insta-report, if you dont understand dont answer the question.

Mathematics
1 answer:
MA_775_DIABLO [31]3 years ago
5 0

Answer:

Start by combining like terms, than you subtract and or add to both signs of the = sign, lastly you do the same thing with division and multiplication.

Step-by-step explanation:

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$15.60 to $11.70<br> ANSWER RIGHT<br> I WILL GIVE BRAINLIEST
galben [10]

Answer:

25% .

Step-by-step explanation:

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2 years ago
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What is the domain indicated on the graph for each
White raven [17]

Step-by-step explanation:

try this option, all the details are in the attachment.

8 0
1 year ago
F(-12) if f(x) = 2x + 15
Alenkinab [10]

Answer: f(-12)=-9

Step-by-step explanation:

We have the following function:

f(x)=2x+15

And we have to evaluate it when x=-12, this means we have to substitute x by -12:

f(-12)=2(-12)+15

Solving:

f(-12)=-24+15

Finally:

f(-12)=-9

8 0
3 years ago
Necesito ayuda por favor es para mañana
Elena L [17]

Answer: a. 14/30= 7/15

b. 16/30=8/15

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Step-by-step explanation:

3 0
3 years ago
Given f(x) = x² - 10x + 22, what is the range of f?
adoni [48]

Answer:

[-3, ∞)

Step-by-step explanation:

There are many ways to find the range but I will use the method I find the easiest.

First, find the derivative of the function.

f(x) = x² - 10x + 22

f'(x) = 2x - 10

Once you find the derivative, set the derivative equal to 0.

2x - 10 = 0

Solve for x.

2x = 10

x = 5

Great, you have the x value but we need the y value. To find it, plug the x value of 5 back into the original equation.

f(x) = x² - 10x + 22

f(5) = 5² - 10(5) + 22

      = 25 - 50 +22

      = -3

Since the function is that of a parabola, the value of x is the vertex and the y values continue going up to ∞.

This means the range is : [-3, ∞)

Another easy way is just graphing the function and then looking at the range. (I attached a graph of the function below).

Hope this helped!

6 0
3 years ago
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