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4 years ago

Is the following relation a function? (-2,3) (0,1) (5,3) (5,8) (7,5)

Mathematics

1 answer:

Rashid [163]4 years ago

5 0

No it is not because for the x value of 5 there are two different y values.

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Midtown Antiques has found that sales have decreased 5% from last year. Sales this year are $108,665. To the nearest dollar, fin

MArishka [77]

Answer:

b on edu

Step-by-step explanation:

5 0

3 years ago

I don't know what to do I'm very confused

finlep [7]

Answer:

x = 33.8°

Step-by-step explanation:

The resulting diagram we have is a right triangle. To find x, apply trigonometric function.

Reference angle = x

Opposite = 116

Adjacent = 173

Apply TOA:

Tan x = Opp/Adj

$tan (x) = \frac{116}{173}$

$x = tan^{-1}(\frac{116}{173})$

x = 33.8° (nearest tenth)

7 0

3 years ago

Sin 2A = sinA is true when A=?

strojnjashka [21]

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8 0

3 years ago

A computer and printer cost total of $927 the cost of the computer is two times the cost of the planet find the cost of each ite

swat32

The cost of the printer is $309 and cost of the computer is $618.

Step-by-step explanation:

Let x denote the cost of computer

Let y denote the cost of printer

Total cost of printer and computer OR

x + y = $927

Cost of computer = 2 x cost of the planet

x = 2y

x+y = 927

2y+y = 927

3y = 927

y = 309

x = 2y

x = 2(309)

x = 618

Therefore, the cost of the printer is $309 and cost of the computer is $618.

Keyword: Cost, Algebra

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6 0

3 years ago

If one endpoint of a line segment is (2, 8) and the midpoint is (-4, 7), what is the other endpoint? (8, -5)

Pepsi [2]

( - 10, - 22 )

using the midpoint formula,

let the other endpoint have coordinates (x, y) then

$\frac{1}{2}$ (2 + x ) = - 4 ( multiply through by 2 )

2 + x = - 8 ( subtract 2 from both sides ) then

x = -8 - 2 = - 10 ← value of x-coordinate

Similarly for y-coordinate

$\frac{1}{2}$ (8 + y ) = - 7 ( multiply through by 2 )

8 + y = - 14 ( subtract 8 from both sides )

y = - 14 - 8 = - 22 ← y -coordinate

the other endpoint is ( - 10, - 22 )

7 0

3 years ago