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Margarita [4]
3 years ago
5

Question is down below

Mathematics
1 answer:
kvasek [131]3 years ago
3 0

Answer:

a ) 2 / n,

b ) 15

Step-by-step explanation:

This is a nice and short question we have here.

Given that a bag has n counters, and that one counter is blue, respectively the rest is red, if two counters are taken at random there isn't a definite percentage that one of the counters chosen is red or blue, but there is a fractional representation of this.

We could express n ( number of counters ) to form a probability of 2 / n. As you can see, two counters are taken at random over n counters, and thus we derived this fraction.

a ) 2 / n

____

Now we have this second part -

2 / n = 2 / 16,\\16 - 1 = 15

Therefore, there are 15 red counters. Hope that helps!

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A group of 5 hippos at the zoo eats a total of 2,100 pounds of food each
wolverine [178]
First, divide the total pounds of food eaten by 7 (7 days in a week).

2,100/7 = 300 pounds

Then divide this quotient by the 5 hippos.

300/5 = 60 pounds

Therefore, each hippo eats 60 pounds of food every day.
6 0
3 years ago
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The coordinates for three points of a rectangle are (2, 6) (2, 9) and (8, 6). What is the coordinate for the fourth point in the
saw5 [17]

Answer:

(8,9)

Step-by-step explanation:

Given

A = (2,6)

B = (2,9)

C = (8,6)

Required

Determine the 4th point

The coordinate point of a horizontal or a vertical rectangle is given as:

(x1,y1), (x2,y2), (x3,y3), (x4,y4)

Where:

x_1 = x_2        x_3 = x_4         y_1 = y_3        y_2 = y_4

So, we have:

A = (2,6) --- (x_1.y_1)

B = (2,9) ---- (x_2.y_2)

C = (8,6) ---- (x_3,y_3)

Using the above equations:

x_3 = x_4=8        

y_2 = y_4 = 9

Hence, the coordinate of the 4th point is:

(x_4,y_4) = (8,9)

4 0
3 years ago
See attached file. show all work.
andrew11 [14]

The point-slope form of the equation for a line can be written as

... y = m(x -h) +k . . . . . . . for a line with slope m through point (h, k)

Your function gives

... f'(h) = m

... f(h) = k

a) The tangent line is then

... y = 5(x -2) +3

b) The normal line will have a slope that is the negative reciprocal of that of the tangent line.

... y = (-1/5)(x -2) +3

_____

You asked for "an equation." That's what is provided above. Each can be rearranged to whatever form you like.

In standard form, the tangent line's equation is 5x -y = 7. The normal line's equation is x +5y = 17.

3 0
3 years ago
3) Write the operation used to obtain the types of solutions.
Alex Ar [27]

Answer:

the Sum

hope this helps

5 0
3 years ago
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!!!!!!Please help !!!!!!
Mars2501 [29]

Answer:

II

Step-by-step explanation:

Scatter plots show a negative trend if one value increases as the other decreases.

5 0
2 years ago
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