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Irina-Kira [14]
3 years ago
8

How to convert angle in radians to degrees?

Mathematics
1 answer:
jek_recluse [69]3 years ago
3 0
360° = 2π
2 = 360° / π
1 rad = 360° / 2π
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A hyperbola centered at the origin has a vertex at (0,−40) and a focus at (0, 41).
aniked [119]

\frac{(x-h)^{2} }{a^{2} } - \frac{(y - k)^{2} }{b^{2} } = 1

\frac{(x-0)^{2} }{40^{2} } - \frac{(y - 0)^{2} }{b^{2} } = 1

a² + b² = c²

40² + b² = 41²

         b² = 41² - 40²

         b² = 1681 - 1600

         b² = 81

         b = 9

slope (m) of asymptote = +/-\frac{y}{x} = +/-\frac{b}{a} = +/-\frac{9}{40}

y-intercept (b) = 0 since the center is at the origin

Answer: y = \frac{9}{40}x and y = -\frac{9}{40}x

7 0
3 years ago
Read 2 more answers
The diameter of a circle is 2 meters. What is the area?<br> Exact answer in simplest form
kow [346]

Answer:

22/7

Step-by-step explanation:

Diameter is 2m

we know,

radius= Diameter/2

r = d/2

r = 2/2

r = 1

Now,

area of circle= πr^2

22/7 * 1^2

22/7 ....... answer

7 0
3 years ago
Read 2 more answers
What does the slope tell you about the rate of change in elevation during Ryan's uphill climb?
svet-max [94.6K]

Answer:

Degree of elevation

Step-by-step explanation:

It tells you the climb at a specific angle. For instance, if you climb 5 feet per every 1 foot of travel, you can create a triangle that has two legs and a hypotenuse. You can then use trigonometric functions to come at the conclusion that the degree of inclination is 78 degrees.

6 0
3 years ago
alica and jeremy weigh a cell phone on a digital scale. they wrote down 113 but forget to record the unit.Which unit of measurem
marshall27 [118]
I'm sure the measurement was made in grams because:

1. most cell phones weigh between about 100 and 150 grams
2. there's no cell phone that weighs 113 kg, 113 pounds, 113 ounces etc.
6 0
3 years ago
1 pizza costs £3.20 more than a bottle of coke. The total cost of the items is £19.40 for 3 pizzas and 1 bottle of coke
Korolek [52]

1 pizza should cost $5.65

Pizza is $5.65 then bottle of coke is $2.45

3 pizzas and coke: ($5.65*3) + $2.45 = $19.4

I solved this by setting up and solving a system of linear equations:

Variables: p = pizza, c = coke

p = c+3.2

3p+c = 19.4

Solve by substitution

3(c+3.2) + c = 19.4

4c+9.6 = 19.4

c = 2.45

Re-plug in:

p = 2.45+3.2

p = 5.65

7 0
3 years ago
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