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Otrada [13]
3 years ago
10

Needs 20 characters even though the picture says it all.

Mathematics
1 answer:
taurus [48]3 years ago
6 0
It is b I seen it on the test yesterday on Plato
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Simplify Sinx + cosx/ cos²x - sin²x​
bonufazy [111]

\dfrac{\sin x + \cos x}{\cos^2 x - \sin^2 x}\\ \\\\=\dfrac{\sin x + \cos x}{(\cos x + \sin x )\\\\(\cos x - \sin  x)}\\\\\\=\dfrac{1}{\cos x - \sin x}

3 0
2 years ago
A circle is centered at the point (-3,2) and passes through the point (1,5). What is the radius of the circle?
Akimi4 [234]

Answer:

5

Step-by-step explanation:

The radius is a distance on a circle from the center to a point on the circle.

We have both of these points describe here in this definition.  Using the distance formula will give us the radius.

\sqrt{(x \text{ difference })^2+(y \text{ difference})^2

The difference between 1 and -3 is 1-(-3)=4.

The difference between 5 and 2 is 5-2=3.

\sqrt{4^2+3^2}

\sqrt{16+9}

\sqrt{25}

5

8 0
3 years ago
Connie and two of her friends completed a 10-mile bike relay. each friend road an equal part of the race. what distance did each
IrinaVladis [17]
Connie + 1 friend +2 friend = 10
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Each friend rode 3 1/3 miles
8 0
3 years ago
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B. Is the answer because you can fold it in half
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Is there an image that may help?

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