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konstantin123 [22]

2 years ago

8

A plant nursery in Wildgrove keeps records of how many of its plants are annuals, biennials,

1 answer:

yanalaym [24]2 years ago

8 0

Step-by-step explanation:

Complete answer: Annual plants are the ones that flower only once in their lifetime and then they die. Biennial plants are the ones that flower twice in their lifetime and perennial plants are the ones that flower many times in their life cycle. ... Perennial - grasses, alfalfa, etc.

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A square has an area of square inch what is <img src="https://tex.z-dn.net/?f=18x%5E%7B2%7D" id="TexFormula1" title="18x^{2}" al

natima [27]

Answer:

18x

Step-by-step explanation:

18x times 18x

so the side is 18x because it was squared

4 0

2 years ago

The age of the Hawaiian islands gets older as you move from east to west. If the half-life of K-40 is 1.3 billion years, approxi

Mumz [18]

Answer:

$t \approx 750550.12\,yr$

Step-by-step explanation:

The time constant of the isotope is:

$\tau = \frac{1.3\times 10^{9}\,yr}{\ln 2}$

$\tau \approx 1.876 \times 10^{9}\,yr$

The decay of the isotope is described by the following model:

$\frac{m}{m_{o}} = e^{-\frac{t}{\tau} }$

Now, the time is cleared in the equation:

$t = -\tau \cdot \ln \frac{m}{m_{o}}$

$t = - (1.876\times 10^{9}\,yr)\cdot \ln 0.9996$

$t \approx 750550.12\,yr$

5 0

3 years ago

A bag contains tiles number 1-10. What is the probability of first selecting a PRIME number, replacing it, then selecting a numb

andrezito [222]

Answer:

0.12 = 12% probability of first selecting a PRIME number, replacing it, then selecting a number less than or equal to 3

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

Probability of independent events:

Suppose we have two events, A and B, that are independent. The probability of both happening is given by:

$P(A \cap B) = P(A) \times P(B)$

In this question:

Event A: Selecting a prime number.

Event B: Selecting a number less than or equal to 3

Probability of selecting a prime number:

Between 1 and 10, we have 4 prime numbers(2,3, 5 and 7), out of 10. So

$P(A) = \frac{4}{10}$

Probability of selecting a number less than or equal to 3:

Three numbers(1,2,3) out of 10. So

$P(B) = \frac{3}{10}$

Probability of both:

$P(A \cap B) = P(A) \times P(B) = \frac{4}{10} \times \frac{3}{10} = \frac{12}{100} = 0.12$

0.12 = 12% probability of first selecting a PRIME number, replacing it, then selecting a number less than or equal to 3

5 0

2 years ago

Subtract 45 from 16 raised to the 6th power; then multiply by 3.

Nataly [62]

(16^6-45) 3
(16,777,216-45) 3
(16,777,171) 3
50,331,513

5 0

3 years ago

What is a linear system?

Darya [45]

Answer:

Linear systems are systems of equations in which the variables are never multiplied with each other but only with constants and then summed up

8 0

3 years ago

Read 2 more answers