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Sergio [31]
4 years ago
12

How would I work this question? x+10y= -9 and x=5y+21

Mathematics
1 answer:
MatroZZZ [7]4 years ago
8 0

Answer:

what you do is you want to get the x by it self so you would subtract the x and put it on the other side. like this: 10y=-9-x. OK so you would subtract -9 and put it on the other side like this: 9 + 10y=-x. but you can't have a negative x so u would do -9 + 10y=x.

Step-by-step explanation:


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(\stackrel{x_1}{4}~,~\stackrel{y_1}{3})\qquad (\stackrel{x_2}{7}~,~\stackrel{y_2}{-2}) ~\hfill \stackrel{slope}{m}\implies \cfrac{\stackrel{rise} {\stackrel{y_2}{-2}-\stackrel{y1}{3}}}{\underset{run} {\underset{x_2}{7}-\underset{x_1}{4}}} \implies \cfrac{-2 -3}{7 -4} \implies \cfrac{ -5 }{ 3 }

\begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{3}=\stackrel{m}{-\cfrac{5}{3}}(x-\stackrel{x_1}{4}) \\\\\\ y-3=-\cfrac{5}{3}x+\cfrac{20}{3}\implies y=-\cfrac{5}{3}x+\cfrac{20}{3}+3\implies y=-\cfrac{5}{3}x+\cfrac{29}{3}

3 0
2 years ago
Write a rule for each sequence. Find the next three terms.<br><br> 8,14,20,26
anastassius [24]
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an=a1+(n-1)d
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8 0
3 years ago
Michael drove his car for 150 minutes at a constant speed of 75 miles per hour and then for another 2 hours at a constant speed
swat32

Answer:

he traveled a total of 349.5 miles.

Step-by-step explanation:

*First we convert the 150 minutes to hours, that is :

h=\frac{1.150}{60} \\h=2.5

Now we determine the distance Michael traversed during those 2.5 hours:

d_{1} =2.5.75 \\d_{1} =187.5\\

He transversed 187.5 miles.

We also determine the distance he tranversed the two remaining hours:

d_{2} =2.81 \\d_{2} =162

He also traveled 162 miles

Finally we add both traversed distances:

d_{t}=187.5+162 \\d_{t}  =349.5\\

So , he traveled a total of 349.5 miles.

PLEASE MARK ME AS BRAINLIEST

7 0
3 years ago
Whoever answers first I'll give a brainly what is<br> 2+2
Naya [18.7K]

Answer:

4

Step-by-step explanation:

3 0
3 years ago
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Mike has already driven 176 laps. The race is 250 laps long. How many more laps does he have to drive to finish the race?
Annette [7]
He has 74 more laps to finish the race.
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3 years ago
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