5x 4y 10 what the answer

Solve: 3x - 4y = 20 (i) 5x + 6y = 8 (ii) Multiply (i) by 3 and (ii) by 2: Adding the two, 19x = 76 Substituting x = 4 in (ii), we get 5(4) + 6y = 8 6y = 8 - 20 6y..

How many tens? => 8 or 5 or 1 or 2..

Lasers-An Introduction - The laser is an acronym for Light Amplification by Stimulated Emission of Radiation. The laser has been invented and developed in 1959 and 1960. In the laser, the maser principle has been extended to optical or visible light frequencies of 10 1 4..

If X = ( 1 6 0 ) , then find 5X. => ( 5 6 30 ) or ( 6 10 6 ) or ( 5 30 5 ) or ( 5 30 0 )..

How many tens and ones are there? => 1 ten and 15 ones or 2 tens and 5 ones or 1 ten and 5 ones or 1 ten and 6 ones..

How many tens? => 6 or 10 or 4 or 5..

Round 47 to nearest ten. => 30 or 40 or 50..

Round 62 to nearest ten. => 70 or 50 or 60..

How many tens? => 2 or 4 or 5..

How many tens? => 3 or 5 or 2 or 1..