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bagirrra123 [75]
3 years ago
11

Can someone help me please

Mathematics
1 answer:
ki77a [65]3 years ago
8 0
<span>x = -2.375 Hopefully that helps :)</span>
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Given the graph of a line y=−x. Write an equation of a line which is perpendicular and goes through the point (8,2).
coldgirl [10]

Answer:

y = x - 6

Step-by-step explanation:

The slope of y = -x is -1, so the slope of any line perpendicular to y = -x is +1.  Thus,

y = mx + b becomes 2 = 1(8) + b, so that b = -6.

The desired equation is y = x - 6.

Check:  Does (8,2) lie on this line?  Is 2 = 8 - 6 true?  YES.


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3 years ago
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Somebody help #9 geometry
IrinaK [193]

Answer:

41.1units^2

Step-by-step explanation:

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3 years ago
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Answer:

14:6

21:9

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Step-by-step explanation:

Given the initial ratio of 7:3, you can find equivalent ratios by multiplying the two numbers by the same factor:

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3 years ago
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What is the value of x?
ladessa [460]

Answer:

D

Step-by-step explanation:

7 0
3 years ago
In a box there are two prizes that are worth $4, a single prize worth $20, and a single prize worth $200. A player will reach in
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Answer:

57

Step-by-step explanation:

The player has a 1/4 chance of drawing any of the 4 prizes. This means that the probability of drawing a prize of $4 is 1/2 because there are 2 prizes worth of $4. The probability of drawing a prize of $20 is 1/4 and the probability of drawing a prize of $200 is also 1/4. To find the fair price of the game, we have to calculate the expected value that the player will gain. This can be obtained by multiplying any possible value of a price for the probability of drawing a prize of that value and adding all the obtained values togueter. Thus, the fair price of the game is

4 * \frac{1}{2} + 20 * \frac{1}{4} + 200 * \frac{1}{4} = 57

6 0
3 years ago
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