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3 years ago

What is a dichotomous key?

1 answer:

6 0

The answer is: a tool that allows for the identification of an organism based on a a series of paired statements that are based on characteristics.

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4m-3n=8; solve for m

Ierofanga [76]

4m - 3n = 8

Add 3n to both sides.

4m = 3n + 8

Divide both sides by 4.

m = 3/4n + 2

So, m = 3/4n + 2

However, if you made a typo, and meant 3m instead of 3n, your answer would be :

4m - 3n = 8

n = 8

~Hope I helped!~

6 0

4 years ago

Read 2 more answers

Is the ratio 16:14 equivalent to 64:60

Llana [10]

No it is not as if you simplify down 64:60, the closest you can get to 16:14 is 16:15

8 0

3 years ago

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The square of a number decreased by ten times the number is negative nine.

Free_Kalibri [48]

Answer:

9 OR 1

Step-by-step explanation:

Let the number be x

x² - 10x = -9

x² - 10x + 9=0

a=1

b=-10

c=9

Solve using the quadratic formula

x =9 or 1

7 0

3 years ago

Read 2 more answers

Can someone solve for x -4x=42

miskamm [114]

Answer:

x = -14

Step-by-step explanation:

4 0

3 years ago

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What is the average of 22.10;13.45;25.10;17.20;19.10?

Oxana [17]

The correct answer is: 19.39

Explanation:

Given numbers:

22.10, 13.45, 25.10, 17.20, 19.10

Total numbers = 5

$Average = \frac{Sum-of-all-numbers}{total-numbers}$

Now to find the average of the given sequence, follow these steps:

Step-1:

Add all the numbers to get the total sum:

22.10 + 13.45 + 25.10 + 17.20 + 19.10 = 96.95

Step-2:

Divide 96.95 by 5 to get the average number:

$\frac{96.95}{5} = 19.39$

Hence the correct answer is 19.39.

6 0

4 years ago

Read 2 more answers