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MariettaO [177]
3 years ago
7

Find a Cartesian equation for the curve and identify it. r=8tanxsecx

Mathematics
1 answer:
ANTONII [103]3 years ago
3 0
R = 8 tan(x) sec(x)

In order to solve this, we are going to use the following:
r = sqrt(x^2 + y^2) //but in this case, we don't need this.
tan(x) = Y / X
X = r cos(x)
Y = r sin(x)

<span>(r cos x)^2 = 8(r sin x)</span>

x^2 = 8y
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When Emily arrives from school she spent a minute eating a snack then she spent 15 playing with her dog and 32 doing her chores
Neporo4naja [7]

The question is incomplete:

When Emily arrived home from school she spent a minutes eating a snack. Then, she spent 15 minutes playing with her dog and 32 doing her chores . Finally, Emily spent 45 minutes finishing her homework. How long had Emily been home when she finished?

Answer:

Emily had been home for 1 hour and 33 minutes.

Step-by-step explanation:

In order to find the answer, first you have to add up the time she spent in each activity to find the amount of minutes she had been at home when she finished:

1+15+32+45=93

Now, you can express the 93 minutes in hours considering that one hour has 60 minutes. According to this, Emily had been home for 1 hour and 33 minutes (93-60=33).

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Step-by-step explanation:

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3 years ago
Work out the area of a rectangle with base, b = 32mm and perimeter, P = 82mm.​
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7 0
2 years ago
Read 2 more answers
If 28% of a sum is 100.80 what is the sum
Sveta_85 [38]
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<span>Or do a portion  </span>

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<span>Then cross multiply </span>

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