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Novosadov [1.4K]
3 years ago
11

Help please. solve for x and y.

Mathematics
1 answer:
ohaa [14]3 years ago
4 0
To solve for x and y, you need to know if the triangles are congruent. They are because of their congruent sides and exterior angles are the same measure.
Now you know that the triangles are congruent, you can set up a proportion for the side lengths you are looking for.
For x...

22/10=x/12. Then cross mutiply. x =26.4
You can do this because the triangles are congruent.
For y...

22/10 =37.4/y. Then you cross multiply. y=17

The correct answer is B.
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This lcd is also twelve
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Which sample had the least percent error?
vaieri [72.5K]

Answer:

<h3>Sample 4</h3>

Step-by-step explanation:

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This is the best way I can explain it.

Best of Luck to you.

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7 0
3 years ago
Suppose that the height (in centimeters) of a candle is a linear function of the amount of time (in hours) it has been burning.
Alborosie
Assume that the rule connecting height of the candle to time is a linear one.  If you do, then we have to find the equation of this line, and then use this equation to predict the height of the candle after 11 hours.

Two points on this line are (6,17.4) and (23, 7.2).  The slope is thus
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m = ---------------  =  -----------  or   -3/5.
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Find the equation of the line.  I'm going to use the slope-intercept formula:

y = mx + b  =>   7.2 = (-3/5)(23) + b.  Solving for b,   b = 21.

Now    we know that y = (-3/5)x + 21

Let x=11 to predict the height of the candle at that time.

y = (-3/5)(11) + 21 = 14.4 inches  (answer)
7 0
3 years ago
-16x - y = -16<br> 12x + 6y = 12<br> How may solutions
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Answer:

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Step-by-step explanation:

7 0
3 years ago
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Step-by-step explanation:

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12 ÷ 22

6 ÷ 11

cc: Anything raised to the power of zero is 1

7 0
2 years ago
Read 2 more answers
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