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melamori03 [73]
3 years ago
5

Suppose you are explaining to a friend who missed class how to solve equations. Explain, in complete sentences, the steps necess

ary to solve the equation 5x-4 = 3x + 10 What properties did you use to solve this equation? Be sure to include an explanation of inverse operations in your response.
Mathematics
1 answer:
pashok25 [27]3 years ago
6 0

Answer:

First, take x off of both sides making it: “5 -4 = 3 + 10”

Then subtract 3, making it “3(-7) = 10”

Then do 3 multiply 3 by -7, getting -21 = 10

that is how you would find out the equation is false

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Divide the current with the previous
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120% is your answer

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3 years ago
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5/x - 3/4 =<br> Simplify
Verdich [7]

Answer:

\frac{20-3x}{4x}

Step-by-step explanation:

-This is an LCM problem.

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#We introduce the LCM and adjust the fractions based on it :

=\frac{5}{x}+\frac{3}{4}\\\\\\=\frac{20}{4x}+\frac{3x}{4x}\\\\\\=\frac{20-3x}{4x}

Hence, the simplified form of the fraction is: \frac{20-3x}{4x}

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3 years ago
The probability that an American CEO can transact business in a foreign language is .20. Twelve American CEOs are chosen at rand
NNADVOKAT [17]

Answer with Step-by-step explanation:

We are given that

The probability that an American CEO can transact business in  foreign language=0.20

The probability than an American CEO can not transact business in foreign language=1-0.20=0.80

Total number of American CEOs  chosen=12

a. The probability that none can transact business in a foreign language=12C_0(0.20)^0(0.80)^{12}

Using binomial theorem nC_r(1-p)^{n-r}p^r

The probability that none can transact business in a foreign language=\frac{12!}{0!(12-0)!}(0.8)^{12}=(0.8)^{12}

b.The probability that at least two can transact business in a foreign language=1-P(x=0)-p(x=1)=1-((0.8)^{12}+12C_1(0.8)^{11}(0.2))=1-((0.8)^{12}+12(0.8)^{11}}(0.2))

c.The probability that all 12 can transact business in a foreign language=12C_{12}(0.8)^0(0.2)^{12}

The probability that all 12 can transact business in a foreign language=\frac{12!}{12!}(0.2)^{12}=(0.2)^{12}

5 0
3 years ago
What is 5/4 - 1/3 - 1/2 plz I need to know plz I really need to know tell me if u know​
Anna007 [38]

Answer:

29 /12  or 25 /12  or 2.4166667

Step-by-step explanation:

1/2 + 2/3 + 5/4

5 0
3 years ago
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Find the inverse of the function y = x2 - 12.
ivolga24 [154]

Answer:

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