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lyudmila [28]
3 years ago
15

I need help with this problem

Mathematics
1 answer:
vitfil [10]3 years ago
6 0

Answer:

all of the triangles are right triangles

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Is 12.89 irrational
STatiana [176]

No.  It's the ratio of  1,289  to  100 .

Also, it can be written as a fraction with whole numbers
on top and bottom, like this:    1289 / 100 .

Also, it can be written down on paper completely, using
digits and a decimal point or fraction bar.  (You did that.)

Any one of these three facts makes it a rational number.

7 0
4 years ago
Find the solution of the system of equations.<br> –6 - 2y = -40<br> - 7x – 2y = -44
mote1985 [20]

Answer:

Step-by-step explanation:

(x,y) = (48/7, -22)

3 0
4 years ago
(-10,4), point on circle: (4,-2)
Klio2033 [76]

Answer:

if this is what you are asking... all you have to do is post those exact coordinates on the graph. :)

Step-by-step explanation:

3 0
4 years ago
Convert the cartesian equation x2 +y2=16 to a polar equation
VARVARA [1.3K]
X^2+y^2 = 16
can be written as
(x-0)^2+(y-0)^2 = 4^2

We see that the second equation is in the form
(x-h)^2 + (y-k)^2 = r^2

where
(h,k) = (0,0) is the center
r = 4 is the radius

The polar form of the equation is simply r = 4. Why is this? Because the radius is fixed to be 4 no matter what happens with theta. As theta goes from 0 to 360, the points generated all form a circle centered at (0,0) with radius 4. 

Answer: r = 4
3 0
4 years ago
What is x if :-1/3x-9=2
Jobisdone [24]

Answer:

x = -33

Step-by-step explanation:

-1/3 x - 9 = 2 add nine to both sides

-1/3 x = 11 multiply both sides by -3

x = -33

Hope that helps

5 0
3 years ago
Read 2 more answers
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