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Kisachek [45]
3 years ago
5

..................................

Mathematics
1 answer:
a_sh-v [17]3 years ago
3 0

Answer:

A

Step-by-step explanation:

Type in the equation of the graphing calculator and press graph

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Solve the triangle. A = 54°, b = 11, c = 8
Delicious77 [7]
In this problem, you apply principles in trigonometry. Since it is not mentioned, you will not assume that the triangle is a special triangle such as the right triangle. Hence, you cannot use Pythagorean formulas. The only equations you can use is the Law of Sines and Law of Cosines.

For finding side a, you can answer this easily by the Law of Cosines. The equation is

a2=b2 +c2 -2bccosA
a2 = 11^2 + 8^2 -2(11)(8)(cos54)
a2 = 81.55
a = √81.55
a = 9 

Then, we use the Law of Sines to find angles B and C. The formula would be

a/sinA = b/sinB = c/sinC
9/sin54° =  11/sinB
B = 80.4°

9/sin54° = 8/sinC
C = 45.6°

The answer would be: a ≈ 9, C ≈ 45.6, B ≈ 80.4
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3 years ago
Finding the original price given the sale price and percent...
bulgar [2K]

Answer:

$325

Step-by-step explanation

78% is 234

x is 100%

cross multiply

\frac{234}{72} = \frac{x}{100}

234 × 100 = 72x

23400 = 72x

23400÷72 =72x ÷72

325 = x

4 0
3 years ago
Geometry hellpppppo<br> 20 POINTS PLS HELP
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Sin(x) = base / hypotenuse

sin(x) = 7/9

x = arcsin(7/9)

x = 51 degrees
5 0
2 years ago
Which number had a 3 with a value that is 100 times greater than the value of the 3 in 20.342?
goblinko [34]
Here the value of 3 is =3/10
Then 100 fold of 3/10=3/10*100=30
So, the number 26538,532,97436 etc. has that property.
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15* Que Equations of lins - Part
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There is not a given equation nor ordered pair, so it is impossible to answer this question. I apologise.

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