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uysha [10]
3 years ago
11

Show your work. pleas help quick

Mathematics
1 answer:
Vedmedyk [2.9K]3 years ago
7 0
For 20: a<em>(insert greater than or equal to sign) 18</em>
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Hi I’m I don’t understand a variable of what this is saying.
Papessa [141]

given expression to simplify,

q^{-3}r^0s^{-1}\cdot\: q^3r^{-9}s^0\begin{gathered} q^{-3}r^0s^{-1}\cdot\: q^3r^{-9}s^0 \\ q^{-3}\cdot q^3=1 \\ \: =r^0s^{-1}r^{-9}s^0 \\ =1\cdot\frac{1}{r^9}s^{-1}s^0 \\ =1\cdot\frac{1}{r^9}\cdot\frac{1}{s} \\ =\frac{1}{r^9}\cdot\frac{1}{s} \\ =\frac{1}{r^9s} \\ =r^{-9}s^{-1} \end{gathered}

7 0
2 years ago
Temperatures this cold are rare.
zhannawk [14.2K]

Answer:

-32°F

Step-by-step explanation:

8°F - 40°F

=> 32°F

3 0
3 years ago
Help help help please
Archy [21]
 that makes the  equation of the line perpendicular to it to be -1 / (1/6) = -6 

the general equation in point slope form is 

y-y1 = m(x-x1)    where m=slope and (x1,y1) = point on the line

so here we have:-

y - 23 = 6(x -(-3)

y - 23 = 6x + 18

y = 6x + 41    

thats the answer
3 0
3 years ago
What is the measure of Zz?<br> 140°<br> 80°<br> Z
aleksley [76]

Answer:

60

Step-by-step explanation:

140 = 80 + z

z = 60

7 0
2 years ago
Read 2 more answers
All cylinders are prisms. True or false?
IrinaK [193]
It is false! Not every cylinder is a prisem. 
4 0
3 years ago
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