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3 years ago

B. Study and complete the table by giving the missing place value and/or value of

Mathematics

1 answer:

prisoha [69]3 years ago

5 0

Answer:

gxvdyevdgehdhhdnrnjft

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Using long Division perform (a²-22a+17)÷(a-13)

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4 years ago

Solve

salantis [7]

Answer:

x = ±√(y - 23)

Step-by-step explanation:

y = x^2 + 23 may be solved for x as follows:

Subtract 23 from both sides, to isolate x^2:

x^2 = y - 23

Take the square root of both sides. We get:

x = ±√(y - 23)

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3 years ago

Introduction to Functions (40-41)

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3 years ago

The population of Columbus, Ohio, in 2014 was about 823,000. The population of the United States was about 319 million in 2014.

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388 times larger than Columbus, Ohio.

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4 years ago

Read 2 more answers

There are approximately 7.7 billion humans on Earth. If the virus spreads beyond the 200-person town, how long will it be until

eimsori [14]

Answer:

25.2 weeks until everyone on the planet is infected

Step-by-step explanation:

The number of infected people after t weeks has the following format:

$P(t) = P(0)(1+r)^{t}$

In which P(0) is the initial number of infected people and r is the growth rate, as a decimal.

The number of infected people doubles every week

This means that $P(1) = 2P(0)$

$P(t) = P(0)(1+r)^{t}$

$2P(0) = P(0)(1+r)$

$1 + r = 2$

$r = 1$

$P(t) = P(0)*(2)^{t}$

200-person town

This means that $P(0) = 200$

$P(t) = P(0)*(2)^{t}$

$P(t) = 200*(2)^{t}$

How long will it be until everyone on the planet is infected?

This is t for which P(t) = 7700000000[/tex]

$P(t) = 200*(2)^{t}$

$7700000000 = 200*(2)^{t}$

$2^{t} = \frac{7700000000}{200}$

$\log{2^{t}} = \log{\frac{7700000000}{200}}$

$t\log{2} = \log{\frac{7700000000}{200}}$

$t = \frac{\log{\frac{7700000000}{200}}}{\log{2}}$

$t = 25.2$

25.2 weeks until everyone on the planet is infected

4 0

4 years ago