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White raven [17]
3 years ago
10

There are 6 boys in a class of 15 students.

Mathematics
1 answer:
Serhud [2]3 years ago
3 0

Answer:

cool

Step-by-step explanation:

awesome jhffhgciyvtudyivy yovutf utdyiv gjb jgh

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I would like some help,, no need to rush though! (20 points :])
Pepsi [2]

1. A

2. B

3. A

hope its correct

5 0
3 years ago
8x + 20y = 20<br> 14x + 35y = k<br> For the above system of equations to be consistent, k must equal
Goshia [24]

Answer:

  35

Step-by-step explanation:

The equations will be "consistent" when they describe lines that are not parallel.

<h3>Slopes</h3>

The slope of a line whose equation is written in this form is the opposite of the ratio of the y-coefficient to the x-coefficient:

  line 1 slope = -8/20 = -2/5

  line 2 slope = -14/35 = -2/5

These lines have the same slope, so will be parallel unless they have the same y-intercept.

<h3>Y-intercept</h3>

The y-intercept of each line is the ratio of the constant to the y-coefficient:

  line 1 y-intercept = 20/20 = 1

  line 2 y-intercept = k/35

We want these lines to have the same y-intercept so that they are not inconsistent. This requires ...

  k/35 = 1

  k = 35

For the equations to be consistent, we must have k = 35.

__

<em>Additional comment</em>

Linear equations are generally categorized as "consistent" or "inconsistent," and "dependent" or "independent."

Equations are "inconsistent" if there are no values of the variables that satisfy all of the equations. They are "dependent" if they describe exactly the same relation between the variables. "Consistent" equations may be "dependent" (describing the same line, as here), or "independent" (describing lines with different slopes.)

7 0
2 years ago
What's the lowest term of 14/28​
rjkz [21]

Answer:

Step-by-step explanation:

IN a fraction it would be 1/2

As a decimal it would be 0.5

As a percent is would be 50%

5 0
3 years ago
Read 2 more answers
F(x)=<img src="https://tex.z-dn.net/?f=%28x%2B1-%7Cx-1%7C%29%2F2" id="TexFormula1" title="(x+1-|x-1|)/2" alt="(x+1-|x-1|)/2" ali
katrin [286]

Answer:

  f(g(x))=\dfrac{|x|+1-||x|-1|}{2}

Step-by-step explanation:

The most straightforward way is direct substitution of g(x) for x in f(x):

  f(g(x))=\dfrac{|x|+1-||x|-1|}{2}

8 0
3 years ago
Suppose a and b are independent events. If l(a) =0.8 and p(b) =0.85 what is p(a and b)
nika2105 [10]

Answer: 0.68

Step-by-step explanation:

just took test and got it right

4 0
3 years ago
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