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Vera_Pavlovna [14]
3 years ago
5

How do you solve this ?

Mathematics
1 answer:
pickupchik [31]3 years ago
3 0
If t=-3 (hopefully it does) then it's 6+-12/10.  This is -6/10=-3/5
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Which is an equation of the line that passes through (-1,-5) and (-3,-7)
Sladkaya [172]

Slope intercept formula is:

y = mx + b

m is the slope

b is the y-intercept

Let's find m, the slope:

The formula for slope when using two points on a line is:

\frac{y_{2}-y_{1}}{x_{2}-x_{1}}

In this case...

y_{2} =-7\\y_{1} =-5\\x_{2} =-3\\x_{1} =-1

^^^Plug these numbers into the formula for slope...

\frac{-7-(-5)}{-3-(-1)}

\frac{-2}{-2}

1

^^^This is your slope

So far this is our equation:

y = 1x + b OR y = x + b

Now let's find b, the y-intercept:

To do that you must plug in the point the line goes through in the x and y of the equation.

For this question I have chosen to plug in the point (-1, -5)

-5 = -1 + b

-5 + 1 = -1 + 1 + b

-4 = 0 + b

-4 = b

Your equation is:

y = x - 4

Hope this helped!

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5 0
4 years ago
Read 2 more answers
Here we go someone help me with this!
zalisa [80]

Answer:

I think they are-

Step-by-step explanation:

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4 0
3 years ago
Let f(x) = x^2 + 6 and g(x) = x+8/x . Find ( g o f)(­ -7)
faust18 [17]
One way to approach this is to find (g o f)(x) first and then to replace x by -7:

g( f(x) ) = (x^2+6) + 8/(x^2+6)

Now replace x with -7.  We get:    ( g o f )(-7) = 49+6+8 / (49+6), or
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4 0
3 years ago
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The distribution of certain test scores is a nonstandard normal distribution with a mean of 50 and a standard deviation of 6. Wh
love history [14]

Answer:

Mean value is 0 and standard deviation is 1 after all test scores have been standardized by converting them to ​z-scores using z

Step-by-step explanation:

In a standard normal distribution (also called as <em>Gaussian distribution</em>) all values of the sample can be projected to a normal distribution with mean 0 and standard deviation 1 using their z-scores.

z-score of a value X can be calculated as follows:

z=\frac{X-50}{6} where

  • 50 is the <em>mean of the test scores</em>
  • 6 is the <em>standard deviation of test scores</em>
6 0
4 years ago
What is the solution to -3m = -15
Leviafan [203]

Answer:

m=5

Step-by-step explanation:

-3m=-15

Divide both sides by -3:

\frac{-3m}{-3}=\frac{-15}{-3}

m=5

3 0
3 years ago
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