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Nitella [24]
3 years ago
13

Misha’s group was asked to write an expression equivalent to 7y2z+3yz2-3 . When Mr. Chen checked their answers, he found only on

e to be correct. Who had the correct answer? Misha’s Group Student Equivalent Expression Misha Juan Joe Helena Misha Juan Joe Helena
Mathematics
1 answer:
damaskus [11]3 years ago
8 0

Answer:

hellena

Step-by-step explanation:

Rule is that you just have to match up the corrisponding numbers and exponents to make the right expression. Hope i'm right.

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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
1, 1, 5, 5, 7, 8, 8, 10, 12
stepan [7]

Answer:

ррооо

Step-by-step explanation:

Нажмите на фрагмент, чтобы вставить его в текстовое поле.

4 0
1 year ago
How do you solve for: 6 + 4/5b = 9/10b?
Gala2k [10]

Answer:

b=60

Step-by-step explanation:

6+4/5b=9/10b

  -4/5b  -4/5b

6=1/10b

divide both sides by 1/10

b=60

5 0
3 years ago
Read 2 more answers
What is 1 1/3 times 1 4/9 in fraction form
nikitadnepr [17]

Answer:

52 / 27

Step-by-step explanation:

3 0
3 years ago
45587000 in standard form
Daniel [21]

Answer:

4.5587

Step-by-step explanation:

this is because standard form of numbers are supposed to be 1 and 9

5 0
3 years ago
Read 2 more answers
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