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Colt1911 [192]
3 years ago
7

Half of the students in Max's class volunteer at the local community center.Fifteen students do not volunteer.If there are 12 bo

ys in Max's class, how many girls are in the class? Write and solve an equation.
Mathematics
2 answers:
choli [55]3 years ago
7 0
Because half of the students volunteered and 15 didn't, there are 30 students. Now take that subtract by 12 and you get the number of girls. 
Equation: 15(2)-12=y
y=18
Crazy boy [7]3 years ago
3 0
The answer is 18. the equation is (15 x 2) - 12. hope I helped :)
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Logarithmic are inverse of exponential functions. The point where graph of f and g intersect is (0, ∞)

<h3>Logarithmic function</h3>

Logarithmic are inverse of exponential functions. Given the following functions;

g(x)=log2x and g(x)=log10x

The point where the graphs intersect is the point where g(x) = g(x)

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The value of x that made them equal is 0

Determine the value of g(x)

g(0) = log2(0)

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Hence the point where graph of f and g intersect is (0, ∞)

learn more on log function here: brainly.com/question/13473114

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Slope Intercept form can someone please help me I am so confused
Andreyy89
You want to get familiar with what the slope-intercept form equation means. even though the discussion board covers some of this... slope-intercept is y = mx + b, and in it, x and y are a point on your graph (x, y), m is the slope, and b is your y-intercept. in word problems, any constant will typically be b.

but, really, to answer this word problem, you don't have to think so hard about y = mx + b. just read the problem and bring your information together:

"the venue will cost $1500 to rent for an evening"
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so they only gave you two bits of information, and you just have to decide where they fit. if the venue costs $1500 for an evening, that's a fixed cost--the 1500 isn't going to go up or down depending on the number of people at the charity event. it stays. you're paying 1500 regardless, even if 2 people show up. because the discussion board states that b should represent your starting amount, you're automatically $1500 in the hole, because you have to spend that much to get the venue. you will, however, write it as a positive integer, because the question wants you to calculate the total cost, by my understanding--you're adding the cost of the people with the cost of the venue.

$25 is not a fixed amount. if it's $25 per person, then if 2 people come, it costs $50, if 3 people arrive, it costs $75. this cost is dependent upon the number of people, which you can call "x"

with that information, write any other equation you would for a word problem:

y = 25x + 1500

that's your equation, and it just so happens that this equation is in y = mx + b format. the x-value represents the number of people who show up for the charity; the y-value represents the overall cost.

and you need three solutions for this equation--which, luckily, is a quick and easy process!! choose an x-value and solve for y.

y = 25x + 1500

when x = 1...
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ordered pair: (1, 1525)

when x = 2...
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when x = 3...
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i hope that helped!!
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Lostsunrise [7]
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