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sasho [114]
3 years ago
11

Find the values of x and y.

Mathematics
1 answer:
krok68 [10]3 years ago
4 0

Answer:

x=9y=45°

Step-by-step explanation:

x=9y (being the base angle of triangle)

or, x+90+9y=180 (sum of angles of triangle)

or, x+90+x=180

or, 2x=180-90

or, x=90/2

x=45°

so, x=9y=45°

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svlad2 [7]

Hello!


The length of side BC can be found by using the Law of Sines. This law states,

a / sin A = b / sin B = c / sin C.


Given:

Angle A = 51.2 degrees

Angle B = 60.3 degrees

Side AC (or B) = 21 cm

Side BC (or A) = ? cm


Let's plug in these values into the formula to find the missing side length.


a / sin (51.2) = 21 / sin (60.3)

a / sin (51.2) = 24.1759... (multiply both sides by sin(51.2)

a = 24.1759 · sin (51.2)

a = 18.841...


18.841 can be rounded to 19.


Therefore, the length of side BC is equal to 19 centimeters.

5 0
3 years ago
Can I please have some help????
DedPeter [7]

Answer:

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Step-by-step explanation:

arithmetic sequence formula= avn= av1 + (n-1)d

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n= the number of the term to find

The common difference is -7 so d=-7 and you plug it into the equation. The first number in the sequence is -8 so av1.

There is no specific n to find so it remains n.

I hope this helps! Let me know if this helps.

8 0
3 years ago
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Bill earns $12 per hour and works at most 40 hours per week identify the independent and dependent quantity in the situation and
alukav5142 [94]
Independent: number of hours
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4 0
4 years ago
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vlabodo [156]

Answer:

y = -9

Step-by-step explanation:

y2 - y1 / x2 - x1

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vovangra [49]

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I believe it is B

Step-by-step explanation:

3 out of 4 options to land on are less than 5

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