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tiny-mole [99]
3 years ago
5

Identify and calculate the area and perimeter for each polygon

Mathematics
1 answer:
irga5000 [103]3 years ago
7 0
Identify and calculate formulas and examples...

Hope this helps ;)

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When 2 less than 3 lots of a number is doubled the result is 5
Vitek1552 [10]
Can you rephrase it? (maybe write it out in numbers?)
4 0
3 years ago
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Researchers recorded that a certain bacteria population declined from 800,000 to 500,000 in 6 hours after the administration of
kupik [55]

Answer:

We can assume that the decline in the population is an exponential decay.

An exponential decay can be written as:

P(t) = A*b^t

Where A is the initial population, b is the base and t is the variable, in this case, number of hours.

We know that: A = 800,000.

P(t) = 800,000*b^t

And we know that after 6 hours, the popuation was 500,000:

p(6h) = 500,000 = 800,000*b^6

then we have that:

b^6 = 500,000/800,000 = 5/8

b = (5/8)^(1/6) = 0.925

Then our equation is:

P(t) = 800,000*0.925^t

Now, the population after 24 hours will be:

P(24) = 800,000*0.925^24 = 123,166

5 0
3 years ago
The office manager ordered145 packs of printer paper. Based on average daily use, she knows that the paper will last 65 days. Wh
erik [133]
The first or  third graph represents the situation
After 25 days he would expect to have , i would say 88 packs left 
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5 0
3 years ago
Can someone please explain how to get this answer? Recursive formula help!<br>t(1)=3 (in picture)
kipiarov [429]
T(1) = 3, t(n) = -2t(n-1) + 1
So t(2) = -2(t(1)) + 1 = -2(3) + 1 = -5
t(3) = -2(t(2)) +1 = -2(-5) +1 = 11
t(4) = -2(t(3)) +1 = -2(11) +1 = -21
t(5) = -2(t(4)) +1 = -2(-21) +1 = 43
3 0
3 years ago
What is the solution of the system?
evablogger [386]
Subsitution

solve for y in first equation
add 2x to both sides
y=2x+8
sub 2x+8 for y in second equation
16+4x=2(2x+8)
divide both sides by 2
8+2x=2x+8
true
there are infinite solutions for x
therefor infinite soltions for y


there are an infinite number of solutions
8 0
3 years ago
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