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Lerok [7]
2 years ago
9

30 points pls help quick

Mathematics
1 answer:
AVprozaik [17]2 years ago
3 0
X+2y=5
-x+3y=6
Answer: (-3, 4)

x+2(0)=5
x=5

(0)+2y=5
y=5/2

-x+3y=6
Answer: x-intercept: A. y-intercept: C.
(-6,2)


Not sure, here though.
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Slope-rate of change- “if there were 12,000 in the Atlantic Ocean in 1950 and there are 3,600 dolphins today, what is the yearly
jasenka [17]

\bf \begin{array}{|cc|ll} \cline{1-2} \stackrel{x}{year}&\stackrel{y}{dolphins}\\ \cline{1-2} &\\ 1950&12000\\ 2018&3600 \\&\\ \cline{1-2} \end{array}~\hspace{5em}(\stackrel{x_1}{1950}~,~\stackrel{y_1}{12000})\qquad (\stackrel{x_2}{2018}~,~\stackrel{y_2}{3600}) \\\\\\ slope = m\implies \cfrac{\stackrel{rise}{ y_2- y_1}}{\stackrel{run}{ x_2- x_1}}\implies \cfrac{3600-12000}{2018-1950}\implies \cfrac{-8400}{68}~~\approx~~ \stackrel{\textit{rate of change}}{-123.53}


-8400/68 simplifies to to -2100/17,  dolphins/year, so 2100 less dolphins every 17 years.

and we can just divide those to get the decimal amount of -123.53, which means, 123.53  less dolphins every year.

of course, there's no such a thing as 0.53 of a dolphin, so, we can say "about" 123 less dolphins per year.

5 0
3 years ago
Please help I will give brainlist ❤️
andre [41]
Biased sample of what? I need more context :)
5 0
2 years ago
Read 2 more answers
(50 points + Brainliest for RIGHT answer).
ycow [4]
(-2, 0) and (0, -2)
slope = (0+2)/(-2 - 0) = -1
b = -2

slope intercept equation
y = -x - 2

compare equation from given
y - 3 = -(x + 5)
y - 3 = -x - 5
y = -x - 5 + 3
y = -x - 2 (matched slope intercept equation)

answer is A
y - 3 = -(x + 5)



5 0
3 years ago
Read 2 more answers
Round 2,253 to hundred
Advocard [28]

Answer:

2300

Step-by-step explanation:

5 0
3 years ago
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Wha are the equations. of the asymptotes of the graph of the function f(x)=3x^2-2x-1/x^2+3x+10
Leviafan [203]
The asymptote is the line the graph comes close to but never touches, so if you graph it out you should be able to see it! Sorry I couldn't help any more but good luck

3 0
3 years ago
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