2 out of 3, Help graph parabolas in vertex form need help on C,D,E,&F

Mathematics

1 answer:

larisa [96]4 years ago

4 0

You need to have a photo. We can't do this bc we don't have a pic

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Write a word problem that can be solved using 25+0.5 X is less than or greater to 60

Tatiana [17]

Matt is having a lemonade stand and he needs $60 for a school fundraiser. he already has $25, but he needs more. If hes selling lemonade for $0.50 each cup, write an equation that shows how much money he needs to get at least $60.

i dont know if you mean less than or greater than, or less than or equal to so sorry and i also dont know if this is right, but i hope it helps sorta :)

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A girl makes 12 foul shots for every 8 that she misses.How many shots did she make if she shot 125 foul shots

schepotkina [342]

$\frac{12}{20} = \frac{x}{125} \\ 20x = 1500 \\ \\ x = 75$

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4 years ago

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A company is deciding whether or not to hire a new worker. The company must pay the worker hourly and cover a daily cost for ins

Alekssandra [29.7K]

The answer is <span>25; it represents the hourly wage for the worker
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<span> y = 8x + 25

x is hours
y depends on x hours so y-intercept represent the hourly wage.

The y-intercept is y when x = 0:
y = 8x + 25
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y = 8 * 0 + 25
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Find the slope-intercept form of a line that goes through the point (-1,3) and is parallel to -x+3y=12

Aliun [14]

First, I would simplify the given equation to find the slope of the parallel line as it will be the same for the line we are looking for.
3y=x+12
y=(x/3)+4

Slope= 1/3

Our equation now looks close, but we need the intercept.
y=(x/3)+B

Plug in the given point to find the intercept.
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Plug all the known values into the equation to complete the slope-intercept form.
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3 years ago

Does the following infinite series converge or diverge? 1/3+2/9+4/27+8/81+...

PilotLPTM [1.2K]

Note that A and D are ludicrous choices, so you can throw them away outright. (Any divergent series cannot have a sum, and any convergent series must have a sum.)

The sum is certainly convergent because it can be written as a geometric sum with common ratio between terms that is less than 1 in absolute value.

$S=\dfrac13+\dfrac29+\dfrac4{27}+\dfrac8{81}+\cdots$
$S=\dfrac13\left(1+\dfrac23+\dfrac{2^2}{3^2}+\dfrac{2^3}{3^3}+\cdots\right)$

We can then find the exact value of the sum:

$\dfrac23S=\dfrac13\left(\dfrac23+\dfrac{2^2}{3^2}+\dfrac{2^3}{3^3}+\dfrac{2^4}{3^4}+\cdots\right)$

$\impliesS-\dfrac23S=\dfrac13$
$\implies\dfrac13S=\dfrac13$
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So the answer is B.

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