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Sidana [21]
3 years ago
7

What is the solution to the equation1 over the square root of 8 = 4(m − 2)? (1 point)

Mathematics
2 answers:
ValentinkaMS [17]3 years ago
8 0
1 over the square root of 8 = 4(m - 2) equals  m = 2 + the square root of 2<span>2/2 or approximately 2.71. To solve this you need to find the variable, isolate the variable, and then solve. Remember that whatever happens to one side of the equation has to happen to the other.</span>
Tema [17]3 years ago
8 0
8=4(m-2)
8=4m-8
8+8=4m-8+8
16=4m
m=4
The square root of 4 is 2.
The answer is 2
 
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Answer:

100

Step-by-step explanation:

To make a perfect square trinomial, you want to divide the use the following equation to find the missing constant:

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In this case, we would divide -20 by 2 and square it

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H = height of triangle
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Recall the formula for area of a triangle :

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Plug in what was given in the problem :

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svetlana [45]

Answer:

x≥11

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2(4+x)+2(3x) ≥96

as at least means either greater than or equal to

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6 0
3 years ago
Picky Polls asked 1600 third-year college students if they still had their original major. According to the colleges, 50% of all
Reptile [31]

Answer:

The probability that less than 800 students who said they still had their original major is 0.50 or 50%.

Step-by-step explanation:

Let the random variable <em>X</em> be described as the number of third-year college students if they still had their original major.

The probability of the random variable <em>X</em> is, P (X) = <em>p</em> = 0.50.

The sample selected consisted of <em>n</em> = 1600 third-year college students.

The random variable <em>X </em>thus follows Binomial distribution with parameters n = 1600 and p = 0.50.

X\sim Bin(1600, 0.50)

As the sample size is large, i.e.<em>n</em> > 30, and the probability of success is closer to 0.50,  Normal approximation can be used to approximate the binomial distribution.

The mean of <em>X</em> is:

\mu_{x}=np=1600\times0.50=800\\

The standard deviation of <em>X</em> is:

\sigma_{x}=\sqrt{np(1-p}=\sqrt{1600\times0.50(1-0.50)}=20

It is provided that Picky Polls got less than 800 students who said they still had their original major.

Then the probability of this event is:

P(X

**Use the <em>z</em>-table for the probability.

Thus, the probability that less than 800 students who said they still had their original major is 0.50.

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3 years ago
16. Prove that the sum of three angles of triangle is two right angles.​
Reptile [31]

Answer:

Two right angles = 180 degrees

Step-by-step explanation:

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Two right angles (2 * 90) = 180

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Therefore, the sum of the interior angles of  any triangle is equal to two right angles.

3 0
2 years ago
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