Question
The device that uses ultrasonic waves to measure the
distance, direction and speed of underwater objects is called:Solution
The device which uses ultrasonic waves to measure the distance, direction and speed of underwater objects is known as SONAR. SONAR stands for Sound Navigation and Ranging. SONAR is helpful for exploring and mapping the ocean because sound waves travel faster in water than that in air.
Given that x8-34x4+1=0, x>0. What is the value of (x3+ x-3)?
Simplify the expression:
3x + 5y - [(7x + 3y) - (2x + y) + 4y] - x(288 ÷ 8)² × (144 ÷ 24)³ = 24 × ? × (51840 ÷ 20)
If a = 901, b= 903, and c= 906, then find the value of a³ + b³ +c³ –3abc?
If (x – 12)3 + (x – 5)3 + (x – 7)3 = 3(x – 12)(x – 5)(x – 7) then find the value of (x2 + 5x...
If a + b + c = 6, a³ + b³ + c³-3abc = 342, then what is the value of ab + bc + ca
If (8x - 3y) = 196 and 7x:4y = 35:16, then find the value of (x² + 4y²).
If (6x + y) = 180 and 5x:2y = 25:12, then find the value of (2x² + 5y²).
If x + y = 2 and 1/x + 1/y = 18/15, then find the value of (x3 + y3)?
If (a + b + c) = 9, find (a – 4)3 + (b – 2)3 + ( c – 3)3 - 3(a – 4 ) (b – 2 ) (c – 3)?
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