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Solve the system of equations 3r -4s equals 0 and 2r plus 5s equals 23?
Presumably this is a simultaneous equation in the form of: 3r-4s = 0 2r+5s = 23 Multiply all the terms in the top equation by 2 and in the bottom equation by 3: 6r-8s = 0 6r+15s = 69 Subtract the bottom equation from the top equation: -23s = -69 Divide both sides by -23 to find the value of s remembering that a minus number divided into a minus number is equal to a plus number: s = 3 Substitute the value of s into the original equations to find the value of r: Therefore: r = 4 and s = 3
What times what equals 276?
1 x 276, 2 x 138, 3 x 92, 4 x 69, 6 x 46, 12 x 23, 23 x 12, 46 x 6, 69 x 4, 92 x 3, 138 x 2, 276 x 1 = 276
What greatest common factor of 57 and 69?
'Step ladder' to find the factors. 3)57 = 19 19 = 1 & 3)69 = 23 23)23 = 1 The Only and greatesty common factor (GCF) is '3' . NB '19' & '23' are prime numberd and have no common factors.
What is 729?
81
What is 69 divided by 9?
7.6667
What is 69 divided 3?
23
69 divided by 3 equals 21?
Nooo... it equals 23
What is 69 divided by 3?
2.3
What times three equals 69?
To find what times three equals 69, you can divide 69 by 3. Doing the calculation, 69 ÷ 3 equals 23. Therefore, 23 times three equals 69.
What is 69 divided by 5?
13.8
What equals 69 in multipulcation?
3*23=69 69*1=69
What equals 9 in divided by?
69
What is 3 times 23?
3 times 23 equals 69.
Can you divide 69?
Yes. 69 can be divided by: 1 3 23 and 69.
What is 69 divided by 23?
3
What is 69 billion divided by 250 million?
0.276
What equals 69 in multiplication?
1 x 69, 3 x 23
