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Mamont248 [21]
3 years ago
13

How did they go from =-9/2(x+6) to =-9/2x-54/2 ???

Mathematics
2 answers:
katrin [286]3 years ago
6 0
X=6 is what I got kinda
kramer3 years ago
4 0

Hi, I don't know if you still need the answer, but here you go:

Answer:

They used distributive property.

Step-by-step explanation:

They multiplied -9/2 times "x" and then, times "+6".

First, you get -9/2x for the first term in the parenthesis.

Second, you multiply -9/2 times 6 in the form of a fraction.

* When multiplying fractions, you multiply straight across so:

-9/2 × 6/1 = -54/2

Leaving you with:

-9/2x-54/2

The -54/2 simplifies into -27, which gives you:

-\frac{9}{2}x - 27

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Sedbober [7]

Answer:

The value of f(x) - g(x) is:

f(x) - g(x) =  2x² + 6x - 4

Step-by-step explanation:

Given

f(x) = 3x² + x - 3

g(x) = x² - 5x + 1

To determine

f(x) - g(x)

Using the formula

f(x) - g(x) =  3x² + x - 3 - ( x² - 5x + 1)

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              = 2x² + 6x - 4

Therefore, the value of f(x) - g(x) is:

f(x) - g(x) =  2x² + 6x - 4

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3 years ago
The inverse of the function graphed below is a function.?<br> A. True<br> B. False
Zinaida [17]

Step-by-step explanation:

A,true

doesn't interfere with any function restriction

3 0
3 years ago
In a test of a​ gender-selection technique, results consisted of 248 baby girls and 13 baby boys. based on this​ result, what is
Rashid [163]
When it comes to probability, the answer is always expressed as part of a whole. With that being said, your answer for this problem can be a ratio, fraction or in percentage. Probability is the study of finding the chances or odds of an event happening with the use of statistics. You are already given the statistics of baby girls and baby boys. Note that you are asked to find the probability of the baby being a girl. So, the part here includes the 248, while the whole is 248+13 = 261. Therefore, the probability is 248/261 or 0.95 or 95%. That means that the likelihood of having a girl baby using this technique is very high.
6 0
3 years ago
What needs to be corrected in this construction of a line parallel to AB passing through C?
monitta

Answer;

C) The second arc should be centered at C.

Explanation;

Assuming the goal is to construct a line parallel to AB that passes through given point C.

-Draw a line through C and across AB at an angle creating D.

- With the compass width about half of DC, and center D, draw the first arc to cross both lines.

-Using the same compass width , draw the second arc with center C.

-Then set the compass width to the lower arc (the first arc)

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3 0
3 years ago
Read 2 more answers
a ferry traveled 1/6 of the distance between two ports in 3/7 hour. The ferry travels at a constant rate.how much do the ferry t
Dahasolnce [82]

Answer:

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Step-by-step explanation:

Given that:

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For finding distance in one hour, divide both sides by 7/3 so that 3/7 would be cancelled out:

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This means that in one hour 7/18 of the distance is covered between two ports.

i hope it will help you!

8 0
3 years ago
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