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finlep [7]
4 years ago
13

Find the equation of the straight line perpendicular to y = -2x + 1

Mathematics
1 answer:
mash [69]4 years ago
7 0

Answer:

y = 1/2x + 1

Step-by-step explanation:

To find a line that is perpendicular to another line, you have to find the negative reciprocal of the slope of the original line, and use that as the slope for the new perpendicular line, and keep all the other values the same:

y = -2x + 1  (-2x is the slope)

1/2x = the negative reciprocal of the original slope (-2x)

y = 1/2x + 1 (new final equation for a perpendicular straight line)

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What is 0.00837 written in scientific notation?
Angelina_Jolie [31]

Answer:

8.37 x 10^-3

(Scientific Notation)

 

8.37 x 10^-3

(use the caret symbol [^] to type or write)

8.37E-3

(Scientific E-notation)

0.00837

(Real Number)

Step-by-step explanation:

How to convert numbers or decimals to scientific notation?

In scientific notation all numbers are written in the form of m×10n (m times ten raised to the power of n), where the exponent n is an integer, and the coefficient m is any real number, called the significand or mantissa. If the number is negative then a minus sign precedes m (as in ordinary decimal notation).

7 0
3 years ago
Solve each inequality
forsale [732]

Answer:

  1. x > -2
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Step-by-step explanation:

<h3>1.</h3>

Add 7x-2 to both sides and collect terms.

  2x +2 -6x +7x -2 > -4 -7x +7x -2

  3x > -6

  x > -2 . . . . . . . divide by 3

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<h3>2.</h3>

Solve these one at a time, and form the union of the answers.

  1 +7n ≤ 15 . . . .given

  7n ≤ 14 . . . . . . subtract 1

  n ≤ 2 . . . . . . . divide by 7

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  -2n -2 ≤ -18 . . . given

  -2n ≤ -16 . . . . . add 2

  n ≥ 8 . . . . . . . . divide by -2

The solution is n ≤ -2 or n ≥ 8.

4 0
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At the library by 9 books on a certain topic the librarian tells you that 55% of the books on this topic have been signed out ho
Alex17521 [72]
About 5 books have been signed out, so they still have 4.
7 0
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If s(x) = 2 – x2 and t(x) = 3x, which value is equivalent to (s o t)(-7)?
marishachu [46]

Answer:

The correct answer is A) -439

Step-by-step explanation:


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if it took 1.5 qt of pant to paint the wall 24ft and 10ft. How much qt will be needed to paint the wall 15ft and 8ft?
Inga [223]

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Step-by-step explanation:

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