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lakkis [162]
3 years ago
7

You go to the store and buy some pencils and sweet tarts. ( $.35 per pencil & $.10 per sweet tart) You purchased a total of

15 for $3.25. How many pencils and sweet tarts did you purchase?
Mathematics
1 answer:
blondinia [14]3 years ago
8 0

Answer:

7 pencils

8 sweet tarts

Step-by-step explanation:

7*0.35=2.45

8*0.10=0.80

2.45+0.80=3.25

7+8=15

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Step-by-step explanation:

(y1-y2) / (x1-x2)

(-2-8) / (20-8)

-10/12

-5/6

Hope this helps!

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D Line segments are the same and do not intersect

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If a sample of pure sodium has a mass of 8.2 grams and sodium has an average atomic mass of 22.99 g/mol, how many sodium atoms a
Nonamiya [84]
8.2 grams = 1 mol
Na ________
22.99 grams

First multiply the value of 8.2 to 1. Then divide by the value of 22.99 to determine the number of moles of sodium present in the 8.2 gram sample.

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7 0
4 years ago
In Lesson 3.05 we discussed comparing the key features of two functions given in different forms. Given the functions below:
Nutka1998 [239]

Answer:

A) f(x) has y-intercept at and g(x) has y-intercept at (0,0)

B) f(x) has asymptote as x= 0 and g(x) has asymptote as x= 4.

Step-by-step explanation:

The functions given are f(x)=\frac{1}{x-3} and the graph of g(x).

A): Since, <em>'y-intercepts are the points where the graph of the function cuts y-axis' </em>

<em>So, 'at x=0, we obtain y-intercepts'.</em>

Thus,

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Hence, (0,\frac{-1}{3}) is the y-intercept of f(x).

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The graph of the function g(x) crosses y-axis at the point (0,0).

Hence, the (0,0) is the y-intercept of the function g(x).

B): As we know, <em>'asymptotes are the lines that approaches the curves but does not meet them'. </em>

As, the numerator of f(x) is of lower degree than the denominator.

We have, the function f(x) has x= 0 as the horizontal asymptote.

Further, graph of g(x) gives us, 'the line x= 4 is the asymptote'.

Hence, the function g(x) has vertical line x= 4 as the asymptote.

6 0
3 years ago
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