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3 years ago

5

Ifj. 1. what is the value of i

1 answer:

melomori [17]3 years ago

3 0

Answer:

<em>i</em>

Step-by-step explanation:

The square root of a negative number is identified as an imaginary number (<em>i </em>)

An imaginary number (i) with exponent 3 or any other exponent remains an imaginary number.

The answer is:

<em>i</em>

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timama [110]

Answer:

$b^6z^612a^5$

Step-by-step explanation:

The first step is to combine like terms, and multiply them together first. Since multiplication is commutative, it doesn't matter in what order you do it. Therefore, this can be rewritten as $(2a^2\cdot 6a^3)\cdot(b^4\cdot b^2)\cdot(z\cdot z^5)=(12a^5)\cdot(b^6)\cdot(z^6)=b^6z^612a^5$ . Hope this helps!

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For ΔABC, ∠A = 3x, ∠B = 2x - 3, and ∠C = x + 3. If ΔABC undergoes a dilation by a scale factor of 2 to create ΔA'B'C' with ∠A' =

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Shield volcanoes a) resemble a warrior's shield lying on the ground. b) are always active. c) are only found in Iceland.

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Answer:

I dont get it

Step-by-step explanation:

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2 years ago

Help plz will be marked brainlyist

garik1379 [7]

Answer:

Not proportional

Step-by-step explanation:

If x and y are proportional then the equation relating them is

y = kx ← k is the constant of proportionality

To determine if x and y are in proportion then k must be equal for all ordered pairs, that is

k = $\frac{y}{x}$

(2, 0) k = $\frac{0}{2}$ = 0

(4, 2) → k = $\frac{2}{4}$ = $\frac{1}{2}$

(6, 4) → k = $\frac{4}{6}$ = $\frac{2}{3}$

(8, 6) → k = $\frac{6}{8}$ = $\frac{3}{4}$

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3 years ago

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

So

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

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

$1 + r = 2$

$r = 1$

So

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

200-person town

This means that $P(0) = 200$

So

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

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

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

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

So

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

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

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

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

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

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

$t = 25.2$

25.2 weeks until everyone on the planet is infected

4 0

3 years ago