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Sophie [7]
3 years ago
9

What is the value of x when 1/2 = 9 1/2

Mathematics
1 answer:
IRISSAK [1]3 years ago
6 0

Answer:

x = 19

Step-by-step explanation:

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Simplify. consider all cases. <br> 12-x
blsea [12.9K]

Answer:

x-12

Explanation:

I thought about it, and just flipped the numbers. I use an online grading system to check it, so I am pretty confident I am correct.

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Find the complement of the angle 76
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The complement of an angle is what, when added to it, equals 90 degrees (90°), so 90 - 76 = 14°


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What is the difference between the reciprocal and the opposite of a fraction? Plz help!
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3 years ago
In the game of​ roulette, a player can place a ​$5 bet on the number 3 and have a startfraction 1 over 38 endfraction probabilit
Misha Larkins [42]
The expected value per game is -0.26.  Over 1000 games, you can expect to lose $263.16.

To find the expected value, we multiply the probability of winning by the amount of winnings, the probability of losing by the amount of loss, and adding those together.

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4 years ago
Find an equation of the line that is the perpendicular bisector of the line segment joining the points (6,2) and (18,6)
dexar [7]

Answer:

y= -3x +40

Step-by-step explanation:

Properties of perpendicular bisector:

• perpendicular to the given line

• cuts through the center of the given line

The equation of a line can be written in the form of y=mx +c, where m is the gradient and c is the y -intercept.

Let's find the gradient of the given line first.

\boxed{gradient =  \frac{y1 - y2}{x1 - x2} }

Gradient of given line

=  \frac{6 - 2}{18 - 6}

=  \frac{4}{12}

=  \frac{1}{3}

The product of the gradients of perpendicular lines is -1.

m(⅓)= -1

m= -1(3)

m= -3

Substitute m= -3 into the equation:

y= -3x +c

To find the value of c, substitute a pair of coordinates in which the perpendicular bisector passes through into the equation. Since perpendicular bisectors passes through the center of the segment, we can find the point in which the perpendicular bisector passes through using the mid- point formula.

\boxed{midpoint = ( \frac{x1 + x2}{2} , \frac{y1 + y2}{2} )}

Midpoint

= ( \frac{6 + 18}{2} , \frac{6 + 2}{2} )

= ( \frac{24}{2} , \frac{8}{2} )

= (12,4)

y= -3x +c

when x= 12, y= 4,

4= -3(12) +c

4= -36 +c

c= 4 +36

c= 40

Thus, the equation of the perpendicular bisector is y= -3x +40.

6 0
3 years ago
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