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Alex73 [517]
3 years ago
7

How to find point-slope

Mathematics
2 answers:
Flura [38]3 years ago
8 0

Answer:

y-y1 = m(x-x1)

Step-by-step explanation:

Letter m is the slope.

x1, and y1 is a given point.

Alex_Xolod [135]3 years ago
7 0

Answer:

Point Slope form is

y=mx+b

M is always your slope, usually in the form of a fraction, and b is always your y intercept.

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Consider the following graph of f(x) what are the zeros
oksano4ka [1.4K]

Answer:

Step-by-step explanation:

The zeroes of a function is where its graph intercepts the x axis:

in this case it happens in these points:

(-6;0) , (-4;0) , (0;0) , (2;0) , (4;0)

4 0
3 years ago
The smaller triangle is the image of the larger triangle after a dilation. The center of the dilation is (4,2).
vlabodo [156]

Answer:

-1/3

Step-by-step explanation:

Take the ratio of the corresponding sides to get the scale factor so for this equation let's use the hypotenuse.

The length of the hypotenuse of the larger triangle is 12 units and the smaller triangle's hypotenuse is 4 so 4/12 is the scale factor.

However 4/12  can be simplified down to 1/3.

Since the smaller triangle has been flipped upside down the scale factor is negative so the final answer is -1/3

8 0
4 years ago
The standard form of the equation of a parabola is y = 7x2 + 14x + 4. What is the vertex form of the equation?
Drupady [299]
The vertex of <span>y = 7x2 + 14x + 4</span> is at (-1,-3) (see attachment)

6 0
3 years ago
The conversion of a temperature from Celsius to Fahrenheit is represented by the expression below, where C is the temperature in
Ainat [17]

Answer:

B.

Step-by-step explanation:

C= 20 degrees Celsius

20 x 9/5 = 180/5

180 divided by 5 = 36 degrees celsius

Then you do 36 degrees celsius + 32 and you get 68.

So therefore 20 degrees celsius is eqivalent to 68 degrees Fahrenheit.

3 0
2 years ago
Read 2 more answers
When Brooklyn runs the 400 meter dash, her finishing times are normally distributed with a mean of 76 seconds and a standard dev
KonstantinChe [14]

Using the Empirical Rule, it is found that her finishing time will be between 70 and 82 seconds in 95% of her races.

<h3>What does the Empirical Rule state?</h3>

It states that, for a normally distributed random variable:

  • Approximately 68% of the measures are within 1 standard deviation of the mean.
  • Approximately 95% of the measures are within 2 standard deviations of  the mean.
  • Approximately 99.7% of the measures are within 3 standard deviations of the mean.

In this problem, the mean is of 76 seconds and the standard deviation is of 3 seconds, then:

76 - 2 x 3 = 70.

76 + 2 x 3 = 82.

Which means that values between 70 and 82 seconds are within 2 standard deviations of the mean, hence the percentage is of 95%.

More can be learned about the Empirical Rule at brainly.com/question/24537145

3 0
2 years ago
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