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3 years ago

Find (x-1)(x^2+5x-3). Write your answer in standard form

Mathematics

1 answer:

MAXImum [283]3 years ago

8 0

Answer:

u8b7ug7yftd65g87h9nounoiboubiyvjobpjb

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In 2016 the United States had a population of about 323 million people and was growing at 0.7 %. Use an explicit exponential mod

ElenaW [278]

Answer:

2047

Step-by-step explanation:

We are given that

Growing rate=0.7%

$\frac{dp}{dt}=\frac{0.7}{100}P$

$\int \frac{dP}{P}=0.007\int dt$

$lnP=0.007t+C$

Using the formula

$\int \frac{dx}{x}=ln x+C$

$P=e^{0.007t+C}=e^{0.007t}\cdot e^C=Ae^{0.007t}$

$e^C=A$

Initially when t=0,P=323 million

Substitute the values

$323 million=A$

$P=323e^{0.007t}$

Now, substitute P=400 million

$400=323e^{0.007t}$

$ln\frac{400}{323}=0.007t$

$ln(1.2384)=0.007t$

$t=\frac{ln(1.2384}{0.007}$

$t=30.5\approx 31 Years$

Year=2016+31=2047

Hence,In 2047 the U.S population will reach 400 million people.

5 0

3 years ago

What is the positive solution to the equation:

Sindrei [870]

Answer:

x=8 or -8

Step-by-step explanation:

64 squared = 8 or -8

8x8=64

-8x-8 = 64

8 0

2 years ago

Read 2 more answers

Combine all like terms to simplify the expression.

Dvinal [7]

12x + 5 - 4x + 2x² =

= 2x² + 12x - 4x + 5 = 2x² + 8x + 5

8 0

3 years ago

13 + 2v - 8 + 6 > -7 - v please simplify and explain IN ONLY NUMBERS NO WORDS

insens350 [35]

Answer:

v > - 6

Step-by-step explanation:

13 + 2v - 8 + 6 > -7 - v (calculate the sum of difference)

= 11 + 2v>-7-v (move variable to the left-hand side and change its sign and move constant to the right-hand side and change its sign)

= 2v + v > - 7 - 11 (collect like items and calculate the difference)

= 3v>-18 (divide both sides of the inequality by 3)

=v > - 6

*in parentheses is written what to do to get the next number*

6 0

3 years ago

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What is the greatest common factor of the following three numbers? 12, 18,32

nignag [31]

The answer is 6
hope this helps

4 0

4 years ago

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