Look at the picture I really need help understanding!

Mathematics

1 answer:

o-na [289]3 years ago

6 0

Answer:

I believe it is

1) yes

2) no

3) no

4)no

Step-by-step explanation:

It can only be a solution if you put the x in from the table into the x of the equation and the y in from the same ordered pair into the equation for y and if you get 1 for the fist equation it is a solution but you also have to get 7 for the second equation for it to fully be a solution. Also, you can go to desmos and enter the equations and then substitute the x's and y's... you will have to delete the =1 and =7 in order for the website to tell you what it equals.

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A Biology student who created a regression model to use a bird's height when perched for predicting its wingspan made these two

VLD [36.1K]

Answer:

a) C

b) A

Step-by-step explanation:

The wingspan is the dependent variable while the bird height is the independent variable.

a) Since R2 is the dependent variable, it can be expressed by the independent variable. An R2 of 93% represents 93% of the variation in the wingspan which can be explained by using the birds height. This means that the appropriateness of the model should not be determined by R2 but by using a scatter plot.

b) The model predicts the value of wingspan using the value of bird height. We cannot say that the bird 10 inches tall has a wingspan if 17 inches instead, we say that the wingspan of the bird which is 10 inches tall is 17 inches.

It is therefore possible that the wing span is not exactly 17 inches

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3 years ago

What is the equation of the line?

kompoz [17]

A line has an equation of a form,

$y=ax+b$