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3 years ago

Stephanie has 334

Mathematics

1 answer:

anastassius [24]3 years ago

5 0

Answer: 41,850.2 ft^2

Step-by-step explanation:

125.3*334=41,850.2 ft^2

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Find f(g(x)) and g(f(x)) 1. F(x) = X²-3x+1 g(x)=5x-7

Mariana [72]

We are given the following functions

$\begin{gathered} f(x)=x^2-3x+1 \\ g(x)=5x-7 \end{gathered}$

Let us first find f(g(x)

Substitute x = 5x - 1 into the function f(x) and simplify

$\begin{gathered} f(g(x))=(5x-7)^2-3(5x-7)+1 \\ f(g(x))=(25x^2-2\cdot5x\cdot7+49)^{}-15x+21+1 \\ f(g(x))=25x^2-70x+49^{}-15x+22 \\ f(g(x))=25x^2-70x-15x+49+22 \\ f(g(x))=25x^2-85x+71 \end{gathered}$

Now let us find g(f(x))

Substitute x = x² - 3x + 1 into the function g(x) and simplify

$\begin{gathered} g(f(x))=5(x^2-3x+1)-7 \\ g(f(x))=5x^2-15x+5-7 \\ g(f(x))=5x^2-15x-2 \end{gathered}$

Therefore, f(g(x) and g(f(x)) are

$\begin{gathered} f(g(x))=25x^2-85x+71 \\ g(f(x))=5x^2-15x-2 \end{gathered}$

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1 year ago

I don't understand this question I'm supposed to be graphing

taurus [48]

y≤ 3 when x is 0 and x≤ 3 when y is 0

The graph is attached in figure below

Step-by-step explanation:

We need to graph x+y is equal or less than 3

Writing in mathematical form:

$x+y\leq 3$

For solving we find x and y intercepts

The y-intercept can be found by putting x=0, y is :

$0+y \leq 3\\y\leq 3$

y≤ 3 when x is 0

The x-intercept can be found by putting y=0, x is :

$x+y \leq 3\\x+0\leq 3\\x\leq 3$

x≤ 3 when y is 0

Plotting these values on the graph:

The graph is attached in figure below

Keywords: Solving inequalities

Learn more about Solving inequalities at:

#learnwithBrainly

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3 years ago

Miranda has 9 pieces of candy. She want to give an equal number of pieces to her 6 friends. How many pieces of candy will each f

Alex Ar [27]

Mixed number = fraction so each friend gets 1.5/9 pieces of candy..

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3 years ago

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Micah has $10.52 after he left the bookstore. If he bought a book for $6.39,how much money did he have before he went to the boo

pickupchik [31]

To find out how much money Micah had before he went to the bookstore, we can simply add 10.52 + 6.39 and we will get the answer of how much money had had before he bought the book.

$10.52 + $6.39 = $16.91

Therefore, Micah had $16.91 before he bought his book.

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3 years ago

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5 % 8,000 decreases to 400 by 5 %

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