3 years ago

What’s the correct answer

Mathematics

1 answer:

GREYUIT [131]3 years ago

5 0

No association because there are no negatives and the dots are scattered out along the graph

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7y+4x=3 (-4,-7) perpindicular form for geometry

just olya [345]

Here it is...................

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3 years ago

Does it matter which coordinate is (x1,y1) and (x2,y2) or can I just choose which coordinate I want it to be?

zubka84 [21]

Answer:

Technically not on a graph but on a table yes it matter but here if I were you I would do (2,2) and (-1,-4)

Step-by-step explanation: y=mx+b

(2,2) and (-1,-4) 2=2(2)+b Answer is: y=2x+(-2)

x1 y1 x2 y2 2=4+b

-4-2=-6 -2=b

-1-2=-3 y-intercept

m=2

slope

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2 years ago

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I need help with this practice problem solving The subject is : biodiversity index I will send an additional picture that goes a

snow_lady [41]

ANSWER

Biodiversity index = 0.096

EXPLANATION

Given 7 different organisms with their individual numbers.

Biodiversity Index is:

$\text{ }\frac{Total\text{ number of species}}{Total\text{ number of individuals in the area}}$

i.e:

$\begin{gathered} Biodiversity\text{ Index = }\frac{7}{15+2+30+1+4+16+5} \\ \text{ = }\frac{7}{73} \\ \text{ = 0.09589} \end{gathered}$

Hence, the Biodiversity Index of Fraya's local park is 0.096. This is a low biodiversity since it's closer to 0.

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1 year ago

Use this graph to answer the questions below:

stepladder [879]

the x axis and the yaxis

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3 years ago

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A loan of $47,000 is made at 4.5% interest, compounded annually. After how many years will the amount due reach $63,000 or more?

Alex Ar [27]

$A=P(1+r)^t$ is comounded yearly formula

rat ie 4.5%
P=47000
solve for when A=63000

$63000=47000(1+0.045)^t$
divide both sides by 47000
$\frac{63}{47} =(1.045)^t$
take the ln of both sides
$ln(\frac{63}{47}) =ln((1.045)^t)$
$ln(\frac{63}{47}) =t(ln(1.045)$
divide both sides by ln(1.045)
$\frac{ln(\frac{63}{47})}{ln(1.045)}=t$
using calculator
6.656=t
so after about 6.7 years

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3 years ago