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emmainna [20.7K]
3 years ago
10

If anyone can help me with this it would be awesome

Mathematics
1 answer:
marta [7]3 years ago
4 0

Answer:

The last question is 41!

Step-by-step explanation:

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Y=3×+7 y=×-9 what is the solution of the equation
Aneli [31]

Since both equations are equal to y you can just make them equal to each other, like this 3x + 7 = x - 9. From there isolate the varible x on one side so that the solution will be on the other side of the equation. I'll do the steps too for you.

3x + 7 = x - 9

2x + 7 = -9

2x = -16

x = -8

Hope this helps :)

7 0
3 years ago
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Alejandro made an error in the steps below when determining the equation of the line that is perpendicular to the line 4x – 3y =
vazorg [7]
The slope of the line given its equation is calculated through, m = -A / B. The slope of the given line is 4/3. The line perpendicular to it has the slope of -3/4. The slope-point form of the equation is, 
                                       y - y1 = m(x - x1)
where m is the slope and x1 and y1 the abscissa and ordinate of the point, respectively. 
Substituting the values above, 
                                       y --2 = (-3/4)(x - 3)

Simplifying the equation gives 3x + 4y = 1.
4 0
3 years ago
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Which is a function and which one isn’t. please help me i need to get this done please help meh.
Anton [14]

Answer:

1) not a function

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Step-by-step explanation:

3 0
3 years ago
Your friend shows you a coin collection. In it 45/50 of the coins are quarters. what percent of the coins are quarters?
Ksenya-84 [330]

Answer:

90% of them are quarters.

Step-by-step explanation:

If you take 50 and multiply it by two, you get 100. But, in order to get the right number, you have to multiply 45 by two as well. 45 x 2 is 90. 90 out of 100 is 90 percent. So 90% is the answer.

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Which of these is a geometric sequence?
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The correct answer is D

Step-by-step explanation:

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