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3 years ago

1. Write an equation in point-slope form for the line through the given point with the given slope. (5,2); m=3

Mathematics

2 answers:

lutik1710 [3]3 years ago

8 0

1) d , y-2=3(x-5)
2) d , y-5=-2/5(x-3)

forsale [732]3 years ago

6 0

Answer:

<h2>1) Option D is the correct answer.</h2><h2>2) Option A is the correct answer. </h2>

Step-by-step explanation:

1)Point slope form of line is given by

y-y₁ = m(x-x₁)

(x₁,y₁) = (5,2) and m = 3

Substituting

y-2 = 3(x-5)

Option D is the correct answer.

2)Point slope form of line is given by

y-y₁ = m(x-x₁)

(x₁,y₁) = (-3, -5) and m = -2/5

Substituting

y-(-5) = -2/5(x-(-3))

y+5 = -2/5(x+3)

Option A is the correct answer.

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Answer:

12.5

Step-by-step explanation:

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2 years ago

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He graph shown represents the funds in Sasha's checking account for 16 days.

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2 years ago

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Find the linear regression equation for the transformed data. x=1,2,3,4,5 y=13,19,37,91,253 log y=1.114,1.279,1.568,1.959,2,403

Talja [164]

Answer:

The answer is OPTION (D)log(y)=0.326x+0.687

<h2>Linear regression:</h2>

It is a linear model, e.g. a model that assumes a linear relationship between the input variables (x) and the single output variable (y)

The Linear regression equation for the transformed data:

We transform the predictor (x) values only. We transform the response (y) values only. We transform both the predictor (x) values and response (y) values.

(1, 13) 1.114

(2, 19) 1.279

(3, 37) 1.568

(4, 91) 1.959

(5, 253) 2.403

X Y Log(y)

1 13 1.114

2 19 1.740

3 37 2.543

4 91 3.381

5 253 4.226

Sum of X = 15

Sum of Y = 8.323

Mean X = 3

Mean Y = 1.6646

Sum of squares (SSX) = 10

Sum of products (SP) = 3.258

Regression Equation = ŷ = bX + a

b = SP/SSX = 3.26/10 = 0.3258

a = MY - bMX = 1.66 - (0.33*3) = 0.6872

ŷ = 0.3258X + 0.6872

The graph is plotted below:

The linear regression equation is log(y)=0.326x+0.687

Learn more about Linear regression equation here:

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1 year ago

Please help if you can!!!!

storchak [24]

Answer:Well, I don't know what you got so I can't tell you if it is right.

If it works in both equations, it depends of whether your equations are set up correctly.

Here is how I would do this problem.

Let x = no. of hot dogs,y = number of sodas.

First equation is just about the number of things.

x + y = 15

Second equation is about the cost of things.

1.5 x + .75 y = 18

solve x+y = 15 for y y = 15-x substitute into second equation

1.5x + .75(15 - x) = 18

You should get the correct answer for number of hot dogs if you solve this correctly. Put your answer in the x + y =15 equation to get y. Then put both x and y into the cost equation and check your answer.

Hope this helps.

Step-by-step explanation:

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2 years ago

Over the weekend halverson had put together 3/16 if a jigsaw puzzle while jamie put together 10/16 of the puzzle. Who had coplet

Luden [163]

Answer:

Jamie. by 7/16

Step-by-step explanation:

Halverson completed: 3/16

Jamie completed: 10/16.

To understand who completed more, look at the denominator. The common denominator is 16. Assume a puzzle has 16 pieces and Halverson did 3 out of 16 and Jamie did 10 out of 16. This means Jamie did more.

If you want to know by how much Jamie did more, it would be the difference of both the fraction. This means that 10 done by Jamie minus 3 done by Halverson, which is 7. So 7 out of 16 is the difference.

$\frac{10}{16} -\frac{3}{16}$

7 out of 16 can be written as 7/16

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2 years ago