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Archy [21]
2 years ago
9

Solve the systems of equations using elimination

Mathematics
1 answer:
inysia [295]2 years ago
5 0

Answer:

I can't show you BC I need paper to show u sorry

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2 years ago
I need help with A,B,and C
Vinil7 [7]

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3 years ago
What’s the volume of a cylinder with a radius of 1 and height of 3ft?
Dafna1 [17]

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6 0
2 years ago
How do I describe the real zeroes of this function using Descartes's Rule of Signs?
Serhud [2]
The number of positive roots is the number of changes of signs there are, then decrease by 2 each time and stop when you get to 1 or 0

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y=+2x⁵-x⁴-2x³+4x²+x-2
+,-,-,+,+,-
 1    2  3

3 or 1 positive roots

replace x with -x ( baically flip all signs of odd powerd numbers)

y=-2x⁵-x⁴+2x³+4x²-x-2
   -,-,+,+,-,-
     1    2

2 or 0 negative roots



3 or 1 positive roots
2 or 0 negative roots
2nd option is answer

4 0
3 years ago
A cyclist cycles a distance of 20 miles in a time of 2 hours.<br> What is her average speed?
Mamont248 [21]
20 miles/2 hours = 10 miles/1 hour, therefore her average speed is 10mph
3 0
3 years ago
Read 2 more answers
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