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creativ13 [48]
3 years ago
12

If A = 50 degrees, B = 62 degrees, and a = 4, find b. Round to the nearest tenth.​

Mathematics
1 answer:
Phoenix [80]3 years ago
8 0
<h3>Answer:  4.6</h3>

=================================================

Work Shown:

Use the law of sines

b/sin(B) = a/sin(A)

b/sin(62) = 4/sin(50)

b = sin(62)*4/sin(50)

b = 4.61042489526572

b = 4.6

Make sure your calculator is in degree mode.

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Identify the equation of the circle that has its center at (16, 30) and passes through the origin
Veronika [31]

To solve this question, we have to find the equation of the circle with given center and where it passes. Doing this, we get that the equation of the circle is:

(x - 16)^2 + (y - 30)^2 = 1156

Equation of a circle:

The equation of a circle with center (x_0, y_0) and radius r is given by:

(x - x_0)^2 + (y - y_0)^2 = r^2

Center at (16, 30)

This means that x_0 = 16, y_0 = 30

Thus

(x - 16)^2 + (y - 30)^2 = r^2

Passes through the origin:

We use this to find the radius squared, as this means that x = 0, y = 0 is part of the circle. Thus

(x - 16)^2 + (y - 30)^2 = r^2

(0 - 16)^2 + (0 - 30)^2 = r^2

r^2 = 16^2 + 30^2 = 1156

Thus, the equation of the circle is:

(x - 16)^2 + (y - 30)^2 = 1156

For another example to find the equation of a circle, you can look at brainly.com/question/23719612

4 0
3 years ago
X²-7=0 extracting square roots​
Irina-Kira [14]

Answer:

x = ± \sqrt{7}

Step-by-step explanation:

Given

x² - 7 = 0 ( add 7 to both sides )

x² = 7 ( take the square root of both sides )

x = ± \sqrt{7}

4 0
2 years ago
Two sides of a triangle have the same length. The third side measures 6 m less than twice the common length. The perimeter of th
Zepler [3.9K]
The answer is <span>The two equal sides have a length of 4,</span>
<span>the third side has a length of 6.</span>
8 0
3 years ago
PLSSSSSSS HELPPPP SOMEBODYYYY
Deffense [45]

Answer:

64%

Step-by-step explanation:

there are 16 people aged 21 or under out of a total of 25

\frac{16}{25} (100)=64 %

Hope this helps

6 0
2 years ago
What is the mean absolute deviation of team A’s scores? Show your calculation.
Sladkaya [172]

Answer:

the mean is 13, i believe! good luck

Step-by-step explanation:

6 0
2 years ago
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