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umka21 [38]
3 years ago
8

I need help please and thank you

Mathematics
1 answer:
taurus [48]3 years ago
5 0

Answer:

are you on edge

Step-by-step explanation:

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Explain the steps for simplifying square root of 162
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162 is not a perfect square therefore you have to find the largest perfect square that can go into 162 which would be 81.
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3 years ago
Is 3/10 of the visitors were adults and there were 100 visitors how many visitors were adults?
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A circle is centered at the point (-3, 2) and passes through the point (1, 5). The radius of the circle is ______ units. The poi
nalin [4]
Circle formula
(x-h)^2+(y-k)^2=r^2 where (h,k) is the center
and r=radius

to find the radius
we are given one of the points and the center
distnace from them is the radius
distance formula
D=\sqrt{(x2-x1)^{2}+(y2-y1)^{2}}
points (-3,2) and (1,5)
D=\sqrt{(1-(-3))^{2}+(5-2)^{2}}
D=\sqrt{(4)^{2}+(3)^{2}}
D=\sqrt{16+9}
D=\sqrt{25}
D=5

center is -3,2
r=5
input
(x-(-3))^2+(y-2)^2=5^2
(x+3)^2+(y-2)^2=25 is equation
radius =5
input -7 for x and solve for y
(-7+3)^2+(y-2)^2=25
(-4)^2+(y-2)^2=25
16+(y-2)^2=25
minus 16
(y-2)^2=9
sqqrt
y-2=+/-3
add 2
y=2+/-3
y=5 or -1

the point (-7,5) and (7,-1) lie on this circle



radius=5 units
the points (-7,5) and (-7,1) lie on this circle

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3 years ago
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3 years ago
If x= 4, calculate the value of: 3x2 + 4x
yaroslaw [1]
Answer 64
Step by step exploration
3*4*4+4*4=48+16=64
3 0
3 years ago
Read 2 more answers
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