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malfutka [58]
3 years ago
11

I am a polygon,I have no parallel lines,I am formed by 3 lines segments,I have one right angle,Two of my angles are acute.

Mathematics
1 answer:
nirvana33 [79]3 years ago
4 0
You are a right triangle. You can tell this by both the 3 sides and the 90 degree angle. 
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Please help me it's urgent!
Crank

Answer:

y = 2x-5

y=-x+4

Step-by-step explanation:

Just need to solve the:

x+y=4

y-2x=-5

And we have:

x=3

y=1

Then replace x and y into the answer to find the correct one

7 0
3 years ago
What two numbers multiply together to equal -15 and add together to equal -14?
4vir4ik [10]

Answer:

-15 and 1

Step-by-step explanation:

-15x1=-15

-15+1= -14

3 0
2 years ago
2x-7=13 what is does x stand for?
andriy [413]

Answer:

x=10

Step-by-step explanation:

2x-7=13

13+7=20

20/2=10

lets see if it works:

2(10)-7-13

20-7=13

it works! which means is 10

please mark me as brainliest!!<3

7 0
3 years ago
if a snowball rolls down a hill and its surface area increaces at a rate of 18cm^2/min, find the rate at which the radius increa
sp2606 [1]

Answer: dr/dt = 9/(24pi)  cm per minute

9/(24pi) is approximately equal to 0.119366

=============================================

Work Shown:

Given info

dS/dt = 18 cm^2/min is the rate of change of the surface area

r = 6 cm is the radius, from the fact that the diameter is 12 cm

--------

Use the surface area equation given, apply the derivative, plug in the given values and then isolate dr/dt which represents the rate of change for the radius

S = 4*pi*r^2

dS/dt = 2*4*pi*r*dr/dt

dS/dt = 8*pi*r*dr/dt

18 = 8*pi*6*dr/dt

18 = 48*pi*dr/dt

48pi*dr/dt = 18

dr/dt = 18/(48pi)

dr/dt = (9*2)/(24*2pi)

dr/dt = 9/(24pi)

The units are cm per minute, which can be written as cm/min.

3 0
3 years ago
Evaluate the function <br><br>can someone please explain how I would solve this please?
ElenaW [278]
Y = 4 x 2^-6
y = 4 x 1/2^6
y = 4 x 1/64
y = 1/16
8 0
3 years ago
Read 2 more answers
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