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sattari [20]
2 years ago
7

Please help I don’t understand this

Mathematics
1 answer:
horrorfan [7]2 years ago
3 0

Answer:

C) 17

Step-by-step explanation:

Using the rule

A^2 + B^2 = C^2

8^2 + 15^2 = x^2

64 + 225 = x^2

x^2 = 289

x= _/-289

x = 17

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To find out how many rabbits were in a park students tagged 10 rabbits. They later came back to the park and counted 200 total r
worty [1.4K]

Answer:

400

Step-by-step explanation:

The assumption behind mark-recapture methods is that the proportion of marked individuals recaptured in the second sample represents the proportion of marked individuals in the population as a whole. In algebraic terms, This method is called the Lincoln-Peterson Index of population size.

6 0
3 years ago
Plzz help me with this question
bixtya [17]

Answer:

x = 5

Step-by-step explanation:

We need to find the value of x in this case.

For this, we need to consider that the triangles are similar. Now, we can find it as follows :

\dfrac{12}{3}=\dfrac{20}{x}\\\\x=\dfrac{20\times 3}{12}\\\\x=5

So, the value of x is equal to 5.

6 0
3 years ago
KGraph the function f(x) = 2x(x-4)(x+3).Use the graphing tool to graph the function.Click toenlargegraphKD130-
tekilochka [14]

Given:

The function given is,

f(x)=2x(x-4)(x+3)

Required:

To graph the given function.

Explanation:

We have the given function as follows:

f(x)=2x(x-4)(x+3)

The graph of the function is shown below in the attachment:

Final Answer:

The graph of the function is shown in the attachment.

8 0
11 months ago
Which of the following represents the area of a rectangle whose length is 5x − 3 and whose width is x + 7?
Nookie1986 [14]

Answer : option C, 5x2 + 32x − 21

In the rectangle, the length = 5x - 3 and width = x + 7

We know the formula for area of rectangle = length * width

Area of rectangle = (5x-3)(x+7)

WE multiply it using FOIL method

F - First terms, 5x * x = 5x^2

O- Outer terms, 5x * 7 = 35x

I - Inner terms, -3 * x= -3x

L - Last terms, -3 * 7 = -21

Now we add all the terms

5x^2 +35x -3x -21

combine like terms

5x^2 +32x -21

So area of a rectangle = 5x^2 +32x -21

4 0
2 years ago
Alguém aí ajuda fazendo o favor?
Anastasy [175]
3y
---- -2 =9
 4

3y 
---- = 11
 4

3y = 44

y = 44/3

hope helped 
5 0
2 years ago
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