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Svetradugi [14.3K]
3 years ago
6

Can someone please help me?

Mathematics
2 answers:
MAXImum [283]3 years ago
7 0
Stop if u not going to ask a real question dont
Inessa [10]3 years ago
7 0
It would be 6 hours, there isn't a-lot of information, but i hopetgis is the right answer
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HELP HELP QUICK WILL GET MARKED BRAINLIEST
jeyben [28]
I believe you're right with what you have
the price decrease being 5% (the .95) and the increase by 15% (the 1.15)
8 0
4 years ago
X-9= -6 inverse operation
maria [59]
You would add 9 to -6 and the answer to that is equal to X. X=3
3 0
3 years ago
Read 2 more answers
Given f(x) = x3 + 8, find the value of x when f(x) = 0.
77julia77 [94]

The value of x is -2 when f(x) = 0

Step-by-step explanation:

In any function f(x) = y

  • x is the input
  • y is the output
  • If f(x) = 2 x + 3, then f(a) = b means when you substitute x by a the value of y = b

∵ f(x) = x³ + 8

To find value of x when f(x) = 0, substitute f(x) in the equation by

0 and solve the equation to find the value of x

∵ f(x) = 0

∴ 0 = x³ + 8

- Subtract 8 from both sides

∴ -8 = x³

- Take ∛ for both sides

∵ \sqrt[3]{x}=x

∵ \sqrt[3]{-8}=-2

∴ x = -2

The value of x is -2 when f(x) = 0

Learn more:

You can learn more about the functions in brainly.com/question/10879401

#LearnwithBrainly

7 0
3 years ago
A line passes through the points (-5, 2) and (10.-1). Which is the equation of the line?
Igoryamba

Answer:

y= -1/5x + 1

Step-by-step explanation:

When looking for a line between two points, you want to use the following formula: (y2-y1)/(x2-x1) which finds your distance between points for the y and x coordinate to solve for your slope. y1 is the y coordinate from the first given point and x1 is the x coordinate from the first given point as well. this would go the same for x2 and y2 for the second given equation.

Next, we plug in our values so that we get (-1-2)/(10-(-5)). This will then lead us with -3/15 which simplifies to -1/5. This is our slope. Now that we have our slope we can rule out every option except the first for the answer. However, if we want to look for the entire answer we need to plug in one of our given values in the formula we have: y=-1/5x.

So to find the y-intercept, we can plug in any of the given coordinates so we can fo (10,-1) so that -1=-1/5(10)+b (b what added because we are putting the equation in slope-intercept, therefore we need to find the value b.) So we are left with -1=-2+b now we want to isolate b by adding 2 on both sides to cancel -2 and get 1=b. This would leave us with the equation y=-1/5x+1.

5 0
3 years ago
Write the equation for each line. (will give brainlest)
KATRIN_1 [288]

Answer:

y = -\frac{1}{3}x + 1

Step-by-step explanation:

The equation of a line is: y = mx + c where m is the slope of the line and c is the y-intercept. I will be calculating the slope using the points (3, 0) and (0, 1).

Slope =  \frac{0-1}{3-0}

         =  \frac{-1}{3}

Thus, the slope of the line is -\frac{1}{3}.

Based on the graph, the y-intercept is 1.

Thus, the equation of the line is: y = -\frac{1}{3}x + 1.

5 0
3 years ago
Read 2 more answers
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