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3 years ago

Select all of the following that are ordered pairs of the given function.

2 answers:

7 0

If you plug x-coordinate in x then solve for y, and what you get for y matches t-coordinate, then this is correct ordered pair.

For explain: (-2, -1)

Plug in x-coordinate; f(-2) = 3 - 2(-2) = 3+4 = 7

-1 isn't equals to 7, so (-2, -1) is not right order pair.

Doing that thing and you should get:

Answer: (-1, 5), (0, 3), (2, -1)

Snowcat [4.5K]3 years ago

5 0

These are the answers

(-1,5)

(0,3)

(2,-1)

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Alice stand at point A and looks at the top of a 17.8 m tree TB, such that her line of sight makes an angle 38° with the horizon

Nesterboy [21]

Answer:

Step-by-step explanation:

let the horizontal distance be x

(17.8-1.5)/x = tan 38

or x = 16.3/tan38

or x = 20.863

4 0

2 years ago

You are designing a ramp where the horizontal distance is twice the vertical rise. what will be the ramp angle to the nearest te

ankoles [38]

Use the definition of tangent

or inv tangent (arctan or atan)

tan(theta) = opposite side/ adjacent side

the vertical rise would be the opposite side, the horozontal distance would be the adjacent side

let rise = y
let distance= x
x=2y

so tan(theta) = y/2y
tan(theta) = 1/2

theta = atan(1/2)

grab a handy dandy calculator, unless you know this conversion off the top of your head

7 0

3 years ago

choose the equation below that represents the line passing through the point (−2, −3) with a slope of −6. y 3 = −6(x 2) y 2 = 6(

pishuonlain [190]

Line passing through point (-2, -3) with a slope of -6 is (y - (-3)) = -6(x - (-2)) => y + 3 = -6(x + 2)

7 0

2 years ago

A scatterplot is produced to compare the number of hours that students study to their test scores. There are 25 data points, eac

Airida [17]

The answer would be C) As the number of hours of studying increases, test scores increase because the scatterplot has a cluster that increases from left to right.

Any questions? Ask me in the comments bellow.
Hope this helps. :)

5 0

3 years ago

Read 2 more answers

Given the function {f(x)=32-x}^{2}f(x)=32−x 2 , what is f(-5)f(−5)?

erastova [34]

Step-by-step explanation:

the description is very difficult to understand with special characters and potential typing errors.

I suspect the definition is

function(x) = 32 - x²

function(-5)function(-5) is then very easily calculated.

we need to calculate function(-5) and then square the result, as function(-5)function(-5) is just a simple multiplication of the function results.

function(-5) = 32 - (-5)² = 32 - 25 = 7

so,

function(-5)function(-5) = 7 × 7 = 49

4 0

2 years ago