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melamori03 [73]
3 years ago
7

What is the SST for the data set (1,5), (2,9), (4,10)

Mathematics
2 answers:
lianna [129]3 years ago
3 0
I think that the answer is (4,10). hope it helped :)
Bad White [126]3 years ago
3 0

Answer:

14

Step-by-step explanation:

SST = ∑ ( y − ȳ ) ² (ȳ = pronounced y bar is the mean of y values)

ȳ = (5+9+10)/3 = 24/3 = 8

∑ ( y − ȳ ) ² =  ( 5 − 8 ) ² +  ( 9 − 8 ) ² +  ( 10 − 8 ) ²

=  (  − 3 ) ² +  (  1 ) ² +  ( 2 ) ²

= 9 + 1 + 4

= 14

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Which graph represents the exponential function below f(x)=5(3)^x-1
castortr0y [4]

Answer:

Given Exponential Function is :

f(x)=5\times3^x-1

We have check which graph represent given Exponential Function,

let, y=5\times3^x-1

Put x = 0, we get

y=5\times3^0-1

y = 5 × 1 - 1 = 4

One of the passing through point = ( 0 , 4 )

Now, Put y = 0, we get

0=5\times3^x-1

3^x=\frac{1}{5}

log\,(3^x)=log\,(0.2)

x\:log\,3=log\,0.2

x=\frac{log\,0.2}{log\,3}

x=\frac{log\,0.2}{log\,3}

x = -1.465

Another passing through point is ( -1.465 , 0 )

So, Clearly No Given Option in attached is correct.

Correct Graph is attached.

8 0
3 years ago
3 1/2+ 5 3/8 can you solve please
Sunny_sXe [5.5K]

Answer:

71/8

8.875

8 7/8

Step-by-step explanation:

8 0
4 years ago
Solve 5(2x – 3) = x – 15 + 9x for x.
Alexxandr [17]

Answer:

the correct answer is option C) 0

Hope that helps! :)

4 0
3 years ago
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denis-greek [22]
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6 0
3 years ago
A line has a slope of 10 and includes the points (3, n) and (4,0). What is the value of n?<br> n =
ExtremeBDS [4]

Answer:

The value of n = -10  

Step-by-step explanation:

Given the points

  • (3, n)
  • (4,0)

Finding the slope between (3, n) and (4,0)

\left(x_1,\:y_1\right)=\left(3,\:n\right),\:\left(x_2,\:y_2\right)=\left(4,\:0\right)

As slope = 10

using the formula

Slope  =  [y₂ - y₁] /  [x₂ - x₁]

so substituting the values

      10   =  [0 - n] / [4 - 3]

      10   = -n / 1

     10 = -n

     n = -10    

Therefore, the value of n = -10  

8 0
3 years ago
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