3 years ago

Solve for x and y (copy and paste as needed)

Mathematics

1 answer:

Fantom [35]3 years ago

8 0

10, the sides are equal and one side is 10 meaning so are the other sides.

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ohn is driving around town. When he reaches the gas station, he notes that he has traveled 20 miles. He reaches home 2 hours lat

lyudmila [28]

Answer:

what are the equations?

Step-by-step explanation:

If you tell me what they are, I can change it and tell you the answer is.

I don't see the equations. :(

3 0

3 years ago

Which polar equation represents an ellipse?

tatuchka [14]

Answer:

$r=\frac{1}{3+2cos\theta}$

Step-by-step explanation:

Let us write the equations in standard form:

$r=\frac{1}{3+2cos\theta} \implies r=\frac{\frac{1}{3} }{1+\frac{2}{3}\cos \theta }$

We have

$e=\frac{2}{3}\:$ and

$ep=\frac{1}{3}$

Since the eccentricity of this conic is less than 1, the conic represents an ellipse.

The second equation is $r=\frac{3}{2+3\sin \theta}$ .

This is a hyperbola, because eccentricity is more than 1.

The third equation is $r=\frac{5}{2+2\sin \theta}$ .

This is a parabola, because eccentricity is 1.

The fourth equation is $r=\frac{2}{2-3\sin \theta}$ .

This is also a hyperbola, because eccentricity is more than 1.

5 0

4 years ago

1/5k + 15 factor out the coefficient!

skelet666 [1.2K]

1/5k+ 15
= 1/5k+ 15* (5/5) (because 5/5= 1)
= 1/5k+ (15*5)/ 5
= 1/5k+ 75/5
= 1/5k+ 75* (1/5)
= 1/5(k+ 75) (distributive property)

The final answer is 1/5(k+ 75).

3 0

3 years ago

What is 815.755round to the nearest hundredth

lianna [129]

815.755 is already rounded to the nearest hundredth so i'm guessing you meant hundred. if so the answer is 816

4 0

4 years ago

What is 3√81 using simplifying radicals?

denpristay [2]

Answer:

Step-by-step explanation:

find square root of 81 and multiply by 3

9 x 3 = 27

4 0

4 years ago