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Viktor [21]
3 years ago
9

Mary buys 10 small boxes for $.35 each. How much does she spend in all

Mathematics
1 answer:
emmainna [20.7K]3 years ago
4 0
$3.50 .35*10=3.50 have a great day
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How do i solve this question?
Andrews [41]

when it comes to checking if a function is even or odd, it boils down to changing the argument, namely x = -x, and if the <u>resulting function is the same as the original</u>, then is even, if the <u>resulting function is the same as the original but negative</u>, is odd, if neither, well then neither :).


anyway, that said, let's first expand it and then plug in -x,


\bf f(x)=(x^2-8)^2\implies f(x)=(x^2-8)(x^2-8)\implies f(x)=\stackrel{FOIL}{x^4-16x^2+64}\\\\[-0.35em]~\dotfill\\\\f(-x)=(-x)^4-16(-x)^2+64\qquad \begin{cases}(-x)(-x)(-x)(-x)=x^4\\(-x)(-x)=x^2\end{cases}\\\\\\f(-x)=x^4-16x^2+64\impliedby \stackrel{\textit{same as the original}}{Even}

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4 years ago
The length of a rectangle is four times its width.
mixer [17]

Let width be x

  • length=4x

ATQ

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\\ \sf\longmapsto x=7

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3 0
3 years ago
Read 2 more answers
The solutions to the inequality y&lt;-x+1 are shaded on the graph. Which point is a solution?
suter [353]
Answer: 
B) (3, –2)

Explanation: 
The inequality is y ≤ –x + 1
There are two ways to do this. You can try the four options by seeing where they lie on the graph, or by inputting them into the inequality and seeing if they check out. I am going to do a bit of both.

I know that the solution cannot have two positive coordinates because the first quadrant is not part of the solution, so I won't guess A or C. 
I'll try (3, –2) (which is option B).
On the graph, (3, –2) is on the line, which means it is part of the solution because the line is solid and the inequality is a greater than or equal to sign. 
Try it in the inequality: 
y ≤ –x + 1 
–2 ≤ –3 + 1 
–2 ≤ –2 yes this checks out.
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4 years ago
Please help me out with thissssss<br><br> No links no stealing points
Mrac [35]

Answer:

yes

Step-by-step explanation:

congurency property can be used for all right angles triangles

that's all ....have fun

7 0
3 years ago
Suppose that pollution in a neighborhood comes from two factories, with marginal benefit curves given by MB1 = 12 – P1 and MB2 =
makkiz [27]
The two factors are 2 and p=10 so I used your equations and
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