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Liono4ka [1.6K]

3 years ago

6

Marcus has 731 books.He puts about the same number of books on each of 9 shelves in his bookcase .About how many books are on ea

ch shelf

2 answers:

mash [69]3 years ago

8 0

About 82 books, i think....

ahrayia [7]3 years ago

5 0

About 80 books are on each shelf.

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Find the constant of variation (k) where y varies directly with x. y = 2, when<br> X = 6.

ExtremeBDS [4]

Answer:

The graph below models the value of a $20,000 car t years after it was purchased.

Value of Car

A graph titled Value of Car has years on the x-axis and Dollars on the y-axis. A line curves down and goes through points (0, 20,000), (4, 10,000), and (14, 2,000).

Which statement best describes why the value of the car is a function of the number of years since it was purchased?

Each car value, y, is associated with exactly one time, t.

Each time, t, is associated with exactly one car value, y.

The rate at which the car decreases in value is not constant.

There is no time, t, at which the value of the car is 0.

Step-by-step explanation:

7 0

4 years ago

I’m confused on this one

GenaCL600 [577]

The slope of CD is

$m = \dfrac{6 - -4}{2 - 0} = 5$

The slope of the perpendicular bisector is the negative reciprocal,

$n = -1/m = - \dfrac 1 5$

The perpendicular bisector passes through M, the midpoint of CD

M =( (0+2)/2, (-4 + 6)/2) = (1, -1)

So point slope form for the perpendicular bisector is

$y - -1 = - \frac 1 5(x - 1)$

Solving for y gives slope intercept form.

$y = - \frac 1 5 x - \frac 4 5$

Not sure how to type that without spaces; we didn't have online homework back then.

Answer: y=(-1/5)x-4/5

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4 years ago

Simplify (x/3-2)(x/2-3)

Rudik [331]

x²/6 - 2x + 6

<em> </em>I am not too sure but I hope that this helps

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3 years ago

State the domain of the relation R{(-3,3), (1,1), (0,2),(1,-4),(5,-1)} and then State the range of the relation R={(-3,3), (1,1)

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The range is the Y value and the Domain is the X value.

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3 years ago

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x = 112 + 4
x = 112 - 4

By solving the equations, we conclude that t<span>he turtle can be found either in the 116th block or the 108th block.</span>

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3 years ago