X-1 2 -5) 1- 2
MQ3.
I z 0 2 - 2 0
1 -1 1+ 1 -1
then find the values of x, y,z and a
2
1​

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1) 0 is the right answer

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1. Acute,36. True-reason it is the longest chord of a circle

answer of the question adult adult question you can ask to an adult and he will tell you the answer I am an old person

answer:

2×1×1 -7×1×(-1)+9×(-1)×0

=2+7+0

=9

answer:

9'9/9'9'9'9'[email protected])8'9$9/9/9/9//@[email protected]@,

answer:

Given that 15(2x

2

−y

2

)=7xy

⇒30x

2

−15y

2

−7xy=0

Now divide the above equation by y

2

on both sides

⇒30(

y

x

)

2

−7(

y

x

)−15=0

Let

y

x

=t, so we get quadratic equation in t

⇒30t

2

−7t−15=0

The roots of above equation are t=

60

7±

49+1800

⇒t=

60

7±43

=

6

5

,−

5

3

Therefore ratio of x:y is 5:6 or −3:5

Step-by-step explanation:

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question no 20

Step-by-step explanation:

7=100X÷540

7×54=10X

X=37.8

so price =502.2

sorry Yaar I don't know the exact answer