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elena55 [62]
3 years ago
9

Solve the equation -6 + 6n = 42 for n

Mathematics
2 answers:
Reptile [31]3 years ago
7 0

Answer:

8

Step-by-step explanation:

-6 + 6n = 42

First move the 6 over to the other side by adding....

6n = 48

now you will divide by 6 to get n by itself

n = 8

SashulF [63]3 years ago
5 0

Answer:

n= 8

Step-by-step explanation:

What gets -6 to 42?

-6 plus 6= 0

0=42= 42

42+6= 48

48/6 = 8

N=8

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Write the direct variation function given that y varies directly with x, and y = 6 when x = 10.
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4 0
3 years ago
A line with a slope of 1/8 passes through the points (u, -9) and (6, -8). what is the value of u?
Pie
Answer:
u = -2

Explanation:
Slope of the line can be calculated using the following rule:
slope = (y2-y1) / (x2-x1)

We are given :
slope = 1/8
point (u,-9) represent (x1,y1)
point (6,-8) represent (x2,y2)

Substitute with the givens in the above equation and solve for u as follows:
slope = (y2-y1) / (x2-x1)
1/8 = (-8--9) / (6-u)
1/8 = (1) / (6-u)
1* (6-u) = 1*8
6-u = 8
u = 6-8
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Hope this helps :)

6 0
3 years ago
A quadratic equation of the form 0 = ax2 + bx + c has a discriminant value of –16. How many real number solutions does the equat
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\bf \qquad \qquad \qquad \textit{discriminant of a quadratic} \\\\\\ y=\stackrel{\stackrel{a}{\downarrow }}{a}x^2\stackrel{\stackrel{b}{\downarrow }}{+b}x\stackrel{\stackrel{c}{\downarrow }}{+c} ~~~~~~~~ \stackrel{discriminant}{b^2-4ac}= \begin{cases} 0&\textit{one solution}\\ positive&\textit{two solutions}\\ \stackrel{-16}{negative}&\textit{no solution}~~\checkmark \end{cases}

6 0
2 years ago
Read 2 more answers
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Answer: C 4

Step-by-step explanation:

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The time traveled for the two trains will be the same. We can represent that with the variable t.

We have the following equation for train 1:

x = 75t

For train 2, we have this equation:

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Use the Substitution Method by replacing x in the equation for train 2 with the value 75t.

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700/175 = 4 hours.

It will take 4 hours for the two trains to meet.

6 0
3 years ago
What is the perimeter of the square ABCD?
svp [43]

Answer:

P= 4a would be the answer

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2 years ago
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