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bonufazy [111]
3 years ago
5

Given b = 4 and c = -5, evaluate b 2 - c 2. 41 -2 -9

Mathematics
1 answer:
LekaFEV [45]3 years ago
6 0
I hope this helps you

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VikaD [51]

Answer:

Thanks I guess

Step-by-step explanation:

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2 years ago
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The population of Brazil was 162,300,000 in 1995. It was growing at a rate of about 2% per decade. Predict the population, to th
stiv31 [10]

Answer:

The population is 168,900,000 to the nearest hundred thousand

Step-by-step explanation:

In this question, we are tasked with calculating the population of Brazil given its population in 1995 and her growth rate per decade.

Mathematically, we use an exponential function to calculate this population.

This can be written as P = I(1 + r)^n

where P is the population in 2015 which we are looking for,

I is the initial population which is 162,300,000

r is the rate of increase per decade given as 2% = 2/100 = 0.02,

n is the number of times between the years we are expecting this growth. The difference between the years 2015 and 1995 is 20 years which signifies 2 decades(1 decade is 10 years). Thus our n is 2

We plug these values into the equation above;

P = 162,300,000(1+0.02)^2

P = 162,300,000(1.02)^2

P = 168,856,920 which is 168,900,000 to the nearest hundred thousand

7 0
3 years ago
Help me out please no wrong awnsers (right awnsers only ) I ask for thanks:)
lyudmila [28]

Answer:

12 cards is the correct answer of this questions.

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5 0
2 years ago
Steve is driving from Las Vegas, Nevada to San Diego, California. The drive is 331 miles, how fast will he have to drive to get
Marrrta [24]
Divide 331 by 4.5
331/4.5= 73.555555555555 so you can round to 73.6 mph
5 0
3 years ago
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LK is tangent to circle J at point K. Circle J is shown. Line segment J K is a radius. Line segment K L is a tangent that inters
zmey [24]

Answer:

i think it is 66

Step-by-step explanation:

6 0
3 years ago
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