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kap26 [50]
3 years ago
8

PLZ HELP!!!!! WILL MARK!!!

Mathematics
1 answer:
Alex777 [14]3 years ago
6 0
4x^2 +15x + 13 tyats would be tour answrr
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Find a cartesian equation for the curve. r = 9 sin(θ)
Paul [167]
For this case we have the following equation:
 r = 9 sin (θ)
 In addition, we have the following change of variables:
 y = r * sine (θ)
 Rewriting the equation we have:
 r = 9 sin (θ)
 r = 9 (y / r)
 r ^ 2 = 9y
 On the other hand:
 r ^ 2 = x ^ 2 + y ^ 2
 Substituting values:
 x ^ 2 + y ^ 2 = 9y
 Rewriting:
 x ^ 2 + y ^ 2 - 9y = 0
 Completing squares:
 x ^ 2 + y ^ 2 - 9y + (-9/2) ^ 2 = (-9/2) ^ 2
 Rewriting:
 x ^ 2 + 1/4 (2y-9) ^ 2 = 81/4
 4x ^ 2 + (2y-9) ^ 2 = 81
 Answer:
 
The Cartesian equation is:
 
4x ^ 2 + (2y-9) ^ 2 = 81
6 0
3 years ago
What is the slope of the line shown below.
rusak2 [61]

slope = (y2-y1)/(x2-x1)

(2,4)   (4,8)

 m= (8-4)/(4-2)

m = 4/2

m=2

Answer: 2

8 0
3 years ago
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216q^3+15q^3 please help me solve it​
katrin [286]

Answer:

231q^3

Step-by-step explanation:

Just add them together. They have the same expressions. Whenever you see a number with an ending similarly to another such as 3x and 2x, they can add together.

This is no different. If something is 6x^2 and another is 7x^2, you would add them to get 13x^2.

3 0
3 years ago
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Help please, my brain stopped working and my assignment is due by midnight
Marizza181 [45]
The correct answer is x= -6 let me know if you want to know how I got that or if you needed to know if it is no solution/ infinite/etc..
3 0
3 years ago
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In an Italian class, 65 percent of the students were women. At the end of the class, 52 percent of the men and 44 percent of the
Nata [24]

47% of those who received a certificate were men

It is given that in an Italian class, 65 percent of the students were women. At the end of the class, 52 percent of the men and 44 percent of the women received a certificate.

Probability is the branch of mathematics concerning numerical descriptions of how likely an event is to occur, or how likely it is that a proposition is true. The probability of an event is a number between 0 and 1, where, roughly speaking, 0 indicates impossibility of the event and 1 indicates certainty.

To know more about probability visit: brainly.com/question/13604758

#SPJ4

3 0
2 years ago
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