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Alenkinab [10]
3 years ago
14

I have no idea what I'm supposed to do. If anyone could explain this to me, I'd be grateful.

Mathematics
2 answers:
sveticcg [70]3 years ago
5 0
To graph a piecewise function, simply graph both functions. However, if, for the function it says something like x>0, erase the function for the values of x not greater than 0. The domain is what the x values can be, and the range is what the y values can be.
vovikov84 [41]3 years ago
5 0
Can you send another pic
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What is the measure of angle R?
amid [387]

Answer:

52.5

Step-by-step explanation:

Since this is an isosceles triangle, the base angles are the same

The three angles add to 180

R+            T +              S = 180

3x+30   + 3x+30 + 12x-15 = 180

Combine like terms

18x +45 = 180

Subtract 45 from each side

18x+45 - 45 = 180-45

18x =135

Divide each side by 18

18x/18 = 135/18

x = 7.5

We want angle R

R = 3x+30

  = 3( 7.5) +30

  22.5 +30

   52.5

4 0
4 years ago
Read 2 more answers
A spinner is divided into 3 equal sections and is spun 100 times landing on blue 48 times,red 22 times, and green 30 times. What
timofeeve [1]
A. 33.3% because 100/3 is about 33.3
7 0
4 years ago
The height of a cone is two times its base diameter. What is the volume of the cone in terms of its base radius r? V = r2 V = r3
Gnom [1K]
So hmm check the picture below

the radius "r" is half the diameter, meaning, the diameter is 2r long
now, if the height "h" is twice "d" or 2d, then that means h = 2(2r)

thus    \bf \textit{volume of a cone}\\\\
V=\cfrac{\pi r^2 h}{3}\qquad 
\begin{cases}
h=height\\
r=radius\\
------\\
h=2(2r)
\end{cases}\implies V=\cfrac{\pi r^2[2(2r)]}{3}
\\\\\\
V=\cfrac{4\pi r^3}{3}

8 0
3 years ago
For altitudes up to 36,000 feet, the relationship between ground temperature and atmospheric temperature can be described by the
Veronika [31]

Answer:

the tmperature remains constant

4 0
3 years ago
Solve for the value of x.
alexandr402 [8]

Answer:

x = 15

Step-by-step explanation:

Similar triangles and proportional side lengths.

10/4 = x/6

5/2 = x/6

2x = 5 * 6

2x = 30

x = 15

8 0
3 years ago
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