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AlekseyPX
3 years ago
5

HELP PLEASE

Mathematics
1 answer:
tiny-mole [99]3 years ago
8 0

Answer:

The answer would be B.) 5x - 3y = 30

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If the average grade on an English class rose from 70 to 85 what is the approximate percent increase ?
mixer [17]

Answer: The approximate percent increase is 121.42857%. This is a rounded value. To get this, first you would need to find out which increased and in what direction. Of course, the 70 turned into an 85. So you can divide 85 by 70 and receive a number. Then in whatever form you found it, decimal, fraction, or even percent straight away, ensure the value is a percentage.

70 -> 85

85/70

About 1.21 [decimal]

1.21 x 100 = 121 [add the %]

121% [rounded]


4 0
3 years ago
Read 2 more answers
Simplify the expression. Write your answer using only positive exponents (3t^-4)
yaroslaw [1]

Answer:

\frac{3}{t^{4}}

Step-by-step explanation:

x^-y=1/(x^y) so 3t^-4=3/(t^4)

3 0
3 years ago
The number of hours per week that the television is turned on is determined for each family in a sample. The mean of the data is
Zigmanuir [339]
I don’t know skip that question
7 0
2 years ago
What is the equation of the line that passes through the point (3,4) and has an undefined slope?
rosijanka [135]

Answer:

The equation of the line that passes through the point (3,4) and has an undefined slope is x = 3

Step-by-step explanation:

  • The slope of the horizontal line is zero
  • The equation of the horizontal line passes through the point (a, b) is y = b
  • All the points on the horizontal line have the same y-coordinates

  • The slope of the vertical line is undefined
  • The equation of the vertical line passes through the point (a, b) is x = a
  • All the points on the vertical line have the same x-coordinates

Let us solve the question

∵ The line has an undefined slope

∴ The line is a vertical line

∵ The equation of the vertical line is x = a, where a is the x-coordinate

   of any point on the line

∵ The line passes through the point (3, 4)

∴ a = 3

∴ The equation of the line is x = 3

The equation of the line that passes through the point (3,4) and has an undefined slope is x = 3

5 0
3 years ago
In the equation below, what is the coefficient of the variable?
qaws [65]
B

but i have to write more to let me post this so here it is




7 0
3 years ago
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