I am a 2 digit number ,my two digit and the sum of my digit are in sequence .what number I am?

I don't understand the meaning of question

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Step-by-step explanation:

1+9=10, 3+7=10, 5+5=10, 7+3=10, 9+1=10

Since the tens digit is greater than the ones digit, we only have the two numbers: 73 and 91.

Hope it’s useful friend…

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intensity of the vector is v= √37 ≈ 6.08 units and make angle ∡α ≈ 9.46° with east direction

step-by-step explanation:

required vector is consists of the two componentsvx= 2+4=6 units   and vy= 1 unit and vx ⊥ vywe will use pythagorian theorem to find intensity of the vector vv∧2 = vx∧2 + vy∧2 => v = √vx∧2 + vy∧2 = √6∧2 + 1∧2 = √36+1 = √37 ≈ 6.08 unitsthe angle ∡α between vector and east direction we wil find with tanαtanα = 1/6 => α = arc tanα = arc 1/6 => α ≈ 9.46°

hope this

the answer will be b x² +x-1

step-by-step explanation: