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3 years ago

X^2-y^2=3y in polar form

Mathematics

1 answer:

Assoli18 [71]3 years ago

5 0

Answer:

Step-by-step explanation:

put x=r cos θ

y=r sin θ

r²cos²θ-r²sin²θ=3rsin θ

r²(cos²θ -sin²θ)=3r sin θ

r²cos 2θ=3rsinθ

r cos 2θ=3 sin θ

r=3sec 2θ sin θ

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Sqrt(3x)-1=-4 1.)x=3 2.)x=-3 3.) no solution 4.)x= 25/3

shtirl [24]

The correct Answer Is NO SOLUTION

8 0

3 years ago

Drew has more than 4 times as many baseball cards as mark. Katie has fewer than half as many cards as mark. Mark has m baseball

Sphinxa [80]

Answer:

Cards with Mark = 30

Cards with Drew = 120

Cards with Katie = 12

Step-by-step explanation:

The complete question is

Drew has 4 times as many baseball cards as Mark. Katie has 3 fewer than than half as many cards as Mark. In all they have 162 baseball cards. How many does each have?

Solution -

Let the number of cards with Mark be "X"

Number of cards with Drew = 4 *X = 4X

Number of Cards with Katies = 0.5 X -3

Sum of all the cards is equal to 162

X+4X + 0.5 X -3 = 162

5.5 X = 165

X = 30

Cards with Mark = 30

Cards with Drew = 4 * 30 = 120

Cards with Katei = 15-3 = 12

5 0

3 years ago

What is the value of (10 x 0.5) squared + 4 cubed?

kotegsom [21]

First set up the equation:
$(10*0.5)^{2}$ + $4^{3}$

Now solve the ones in the parenthesis:
$5^{2}$ + $4^{3}$

Then do the exponents:
25+64

The answer will be: 89

Hope this helps!

4 0

3 years ago

Read 2 more answers

When u round to the nearest hundred thousand the population of the state of North Carolina is 9,800,000. Which could be the exac

rjkz [21]

Answer:

D - 9,848,060

Step-by-step explanation:

In the number 9,848,060 the number 8 is in the hundred thousands place.

The number behind it is 4, which is nor equal to or more than 5, meaning that that the 8 stays the same.

6 0

3 years ago