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Stella [2.4K]
3 years ago
11

850 1 2 3 842 834 829 Q Zoom 4 5 820 817 y A population of 850 birds decreases by roughly the same p

ercentage
every year. The table shows data values for the size, y, of the population
after x years. A researcher uses technology to fit an exponential
regression model to the data. If she uses her model to predict the size of
the bird population after 20 years, which value will she most likely obtain?
A
B
704
727
D
722
709
Mathematics
1 answer:
larisa86 [58]3 years ago
3 0
What is this I need help to
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Which expression is equivalent to 9 p minus 3 p + 2?
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Answer:

Didn't know how far I was needed to go, but I hope something there helps you.

Step-by-step explanation:

9p - 3p +2 = 0

6p +2 = 0

6p = -2

p = -2/6

p = -1/3

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How to find area of triangle
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\displaystyle A =\frac{B*H}{2}

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You have $15.71, chicken nuggets cost $1.49. If you buy 5 orders of chicken nuggets, how much money do you have left?
fredd [130]

Answer:

$8.26

Step-by-step explanation:

We have 15.71 total. Chicken nuggets each cost $1.49. We are ordering 5 orders of chicken nuggets, so we use multiplication. 1.49*5= $7.45. Since we spent 7.45 from 15.71, to find the rest, we subtract. 15.71-7.45 = 8.26

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3 years ago
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How would I figure out a linear equation with two plot points with fractions? (1/3(6),3) and (1/2(19),-2) are my two plot points
murzikaleks [220]

Answer: m=\frac{-30}{79},\ y=5.40

Step-by-step explanation:

Given

Points are \left(6\frac{1}{3},3\right),\ \left(19\frac{1}{2},-2\right)

Convert mixed numeral to fraction

\left(6\frac{1}{3},3\right)\Rightarrow \left(\dfrac{19}{3},3\right)\\\\\left(19\frac{1}{2},-2\right)\Rightarrow \left(\dfrac{39}{2},-2\right)

Slope of the line is

\Rightarrow m=\dfrac{3-(-2)}{\dfrac{19}{3}-\dfrac{39}{2}}\\\\\Rightarrow m=\dfrac{5}{\dfrac{38-117}{6}}\\\\\Rightarrow m=\dfrac{-30}{79}

Equation of line

\Rightarrow \dfrac{y-3}{x-\dfrac{19}{3}}=\dfrac{-30}{79}\\\\\text{for y-intercept, put x=0}\\\\\Rightarrow \dfrac{y-3}{0-\dfrac{19}{3}}=\dfrac{-30}{79}\\\\\Rightarrow y-3=\dfrac{190}{79}\\\\\Rightarrow y=3+2.40\\\Rightarrow y=5.40

3 0
2 years ago
PLEASE HELP
Alexeev081 [22]
Its may be A or C
i am not sure just try to help
4 0
3 years ago
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