3 years ago

3x+8, 5x-4, 6x+9 constitute the 1st three terms of an arithmetic sequence. find x

Mathematics

1 answer:

8090 [49]3 years ago

6 0

Answer is in the picture

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At a competition with 8 runners, 2 medals are awarded for first and second

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Answer: Option 'A' is correct.

Step-by-step explanation :

Since we have given that

Number of medals = 2

Number of runners = 8

We need to find the number of ways to award the medals.

We would use "fundamental theorem of counting" to find the number of ways.

So, number of ways is given by

8 × 7 = 56

Hence, option 'A' is correct.

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B 2/3

Step-by-step explanation:

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Is 1/4 bigger than 0

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3 years ago

A loaded grocery cart is rolling across a parking lot in a strong wind. You apply a constant force F⃗ =( 35 N )i^−( 37 N )j^ to

Trava [24]

Answer:

-189.8 J

Step-by-step explanation:

We are given that f

Force applied=F=35 Ni-37 Nj

Displacement, s=(-8.7m)i-(3.1m)j

We have to find the work done .

We know that

Work done= $F\cdot s$

Using the formula

Work done= $(35i-37j)\cdot (-8.7-3.1)$

Work done= $-304.5+114.7$

Using $i\cdot i=j\cdot j=k\cdot k=1,i\cdot j=j\cdot i=j\cdot k=k\cdot j=i\cdot k=k\cdot i=0$

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3 years ago

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ExtremeBDS [4]

Answer:

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Step-by-step explanation:

Here,X is greater than 6

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