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3 years ago

Example of variations natural resources

Mathematics

1 answer:

leva [86]3 years ago

3 0

Answer:

Sexual reproduction promotes variable gene combinations in a population leading to genetic variation. Examples of genetic variation include eye color, blood type, camouflage in animals, and leaf modification in plants

Step-by-step explanation:

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What is the period of the function y=3/2con(3/5x)+5

jeyben [28]

Answer:

$y = \frac{3}{2} cot( \frac{3x}{5} ) + 5 \\ \\ \pi \div \frac{3}{5} \\ \ \\ = \frac{5\pi}{3} is \: period$

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3 years ago

The difference of a number times 2 and 7 is 9. (Use w for the unknown number)

asambeis [7]

2w-7=9
+7=+7
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3 years ago

Devang has a collection of dimes and nickels that total $1.10. He has a total of 15 coins. Which matrix can be used to represent

OLEGan [10]

AX = b or $\left[\begin{array}{cc}1&1\\0.1&0.05\end{array}\right] \left[\begin{array}{c}x\\y\end{array}\right] = \left[\begin{array}{c}15\\1.10\end{array}\right]$

<h3>The above matrix can be used to determine the number of dimes x and nickels y.</h3>

Step-by-step explanation:

Here, total number of coins = 15

Let us assume the number of dimes = x

Also, let us assume the number of nickels = y

So, x + y = 15 .... (1)

Again, 1 dime = $0.1

So, x dimes = x ($0.1) = $ (0.1 x)

1 nickel = $0.05

So, y nickels = y ($0.05) = $ (0.05 y)

Also, total value of coins = $1.10

⇒ 0.1 x + 0.05 y = 1.10 .... (2)

So, from (1) and (2) the matrix can be written as:

AX = b or $\left[\begin{array}{cc}1&1\\0.1&0.05\end{array}\right] \left[\begin{array}{c}x\\y\end{array}\right] = \left[\begin{array}{c}15\\1.10\end{array}\right]$

The above matrix can be used to determine the number of dimes x and nickels y.

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3 years ago

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kolezko [41]

If you want detailed working then I am not the right person. c:

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4 years ago

What is the difference between a rectangle and a cube? A rectangle is a 3-dimensional and a cube is a 2-dimensional. A rectangle

Papessa [141]

Answer: A rectangle is a 2-dimensional and a cube is a 3-dimensional

Step-by-step explanation:

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4 years ago