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3 years ago

11

Uncle Joe is cutting boards for bookshelves. If he begins with 9 feet of wood, how many shelves will he cut if each one is 1 1/2

foot long

1 answer:

kherson [118]3 years ago

6 0

To get the answer, you divide the length of the board by the size of the pieces wanted, so the equation you get is

9/1.5 = 6

So you can get six 1.5in shelves from a 9ft board

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Use algebraic means to show that x^2 + y^2 = 8 is not a function. Explain your process.

11Alexandr11 [23.1K]

Answer:

For a single value of x function has more than one corresponding value of y which satisfies the equation.

Step-by-step explanation:

Function: A relationship between a set of inputs and a set of possible outputs, where exactly one output is associated with each input.

It means for an equation to represent a function any single value of x there should be only one corresponding value of y which satisfies the equation.

Now consider the given equation.

$x^2 + y^2 = 8$

If we put x=0 then we get two value of y i.e $\sqrt8$ and $-\sqrt8$ which satisfy the equation and therefore the equation is not a function.

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3 years ago

What is 15 over 2 divided by 2

Yuri [45]

Answer:

3.75 i think c:

Step-by-step explanation:

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3 years ago

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Consider the polynomial function (x+3)(x+9)(x-8)=0. which of the following are zeros of the function? Select all that apply. -9

Crank

Zeros are:

$-3$
$-9$
$+8$

Looks like only $-3$ and $-9$ are offered as answers, though.

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3 years ago

If 10^x = 5, what is x?

Valentin [98]

Answer:

x=0.69897009

Step-by-step explanation:

expand by logarithms

10^x=5

=log(10^x)=log(5)

=x log(10)=log (5)

log base 10 of 10 is 1

x.l =log(5)

multiple bothside by 1

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x=0.6989709

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3 years ago

The perfect squares between 2 and 17.

postnew [5]

Answer:

4...9...16

Step-by-step explanation:

$2^{2}$ =4

$3^{2}$ =9

$4^{2}$ =16

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3 years ago