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denis-greek [22]
3 years ago
11

Find the center and radius of the circle defined by the equation given below . X^+2x+y^+10y=15

Mathematics
2 answers:
Helga [31]3 years ago
7 0

Answer:

Step-by-step explanation:

n200080 [17]3 years ago
7 0

Answer:

center:  (1, 5), radius:  41−−√

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Find the length of the cardioid r=5+5cosθ.
ipn [44]
Hello,

r=5(1+cos t)

r'=5(-sin t)

r²+r'²= 25[(1+cos t)²+(-sin t)²]=50(1-cos t)=50 sin² (t/2)
Between 0 and π, sin x>0 ==>|sin x|=sin x
l= 2*5* \int\limits^{\pi}_0{sin( \frac{t}{2} )} \, dt= 5[-cos (t/2)]_0^{\pi}\\\\
=5(0+1)=5

Here is the method but i may have make some mistakes.






3 0
3 years ago
HELP ME PLZZZ!!! Solve for x. Show each step of the solution. 4.5(4 − x) + 36 = 202 − 2.5(3 + 28)
Veronika [31]
4.5{4_x}+36=202-2.5{3+28}
you first multiply 4.5 and the numbers in the bracket.
4.5*4=18
4.5*x=4.5x
you will obtain 18-4.5x=202_2.5{3+28}
2.5*3=7.5 2.5*28=70
18_4.5x=202_7.5_70
18_4.5x=124.5_18
-4.5x=106.5
x=23.67
5 0
2 years ago
An object is moving in a straight line. It initially travelz at a speed on 9 meters per second, and speeds up at a constant rate
Crank

Answer:13 meters per second

Step-by-step explanation:

5 0
2 years ago
What is 8 2/3 dividend by 3 1/3
Anni [7]
It is 2 and 3/5 your welcome :)
7 0
3 years ago
Solve for x: -5/6x= -10/3 x=?
k0ka [10]

Answer:

Solve for x: -5/6x= -10/3 x=?

x = 1/4

Step-by-step explanation:

from the equation ,Solve for x: -5/6x= -10/3 , to solve for x  we will first cross multiply

we have; -15= -60x

divide both sides by -60

-15/-60 = -60x/-60

x = 15/60 ( the minus will cancel out)

x = 1/4

check for your answer  by putting 1/4 where you see x

i.e -5/6(1/4) = -10/3

-5 × 2/3 = -10/3

-10/3 = -10/3......... proved!!

3 0
2 years ago
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