4 years ago

PLZ HELP ASAP FEATURES OF A CIRCLE FROM ITS STANDERED EQUATION

1 answer:

3 0

The center of the circle is (0,-4) and the radius is 8 because the center comes from the (x-_) and (y-_) and the radius is square root the =_

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What is is the slope of the line shown below A)-5/8 B)8/5 C)-8/5 D)5/8

Ainat [17]

D 5/8 i believe
because 5 up and 8 down seems right

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3 years ago

Need help pleasee and thanks

Evgesh-ka [11]

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105

Step-by-step explanation:

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3 years ago

If c=25 and B=75 degrees, find a. Round to the nearest tenth.

worty [1.4K]

Answer:

a=6.9

Step-by-step explanation:

Since you know that C is a right angle, you can use the Law of Sines to find a. The first step is to find the size of the angle A, which is 180-74-90=16. Now, you set up a ratio that involves 3 knowns and one unknown to get $\frac{\sin(90^\circ)}{25} = \frac{\sin(16^\circ)}{a}$ , which after cross multiplying yields $a=\sin(16^\circ)\cdot25\approx 6.9$ . PM me if you have any questions?