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dusya [7]
4 years ago
9

What is the slope of the line shown below A.-7/6 B.-6/7 C.6/7 D.7/6

Mathematics
2 answers:
MrRa [10]4 years ago
7 0
It would be 6/7
or answer c
inysia [295]4 years ago
3 0
The answer is 6/7 because by using the slope formula y2-y1/x2-x1 we find that -2-(-8)/4-(-3) is 6/7.
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Evaluate 62 = (12 – x) when x = 3.
artcher [175]

Answer:0

Step-by-step explanation: 36 divided by 12 equals 3

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3 years ago
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In an insect colony there are 270 insects after 9 days. If there were initially 80 insects how long will it take the population
Semenov [28]

Answer:

The time it will take the population to grow to 800 insects is 17 days.

Step-by-step explanation:

The growth function of the insects is exponential.

The exponential growth function is:

y=a(1+r)^{t}

Here,

<em>y</em> = final value

<em>a</em> = initial value

<em>r</em> = growth rate

<em>t</em> = time taken

It is provided that there were 270 insects after 9 days and initially there were 80 insects.

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y=a(1+r)^{t}\\\\270=80(1+r)^{9}\\\\3.375=(1+r)^{9}\\\\\ln(3.375)=9\cdot \ln(1+r)\\\\0.135155=\ln(1+r)\\\\1+r=1.14471\\\\r=0.145

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800=80(1+0.145)^{t}\\\\10=(1.145)^{t}\\\\\ln(10)=t\cdot \ln(1.145)\\\\t=17.00522\\\\t\approx 17

Thus, the time it will take the population to grow to 800 insects is 17 days.

7 0
3 years ago
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