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It could be a linear equation in two variables. A single linear equation in two variables cannot be solved.
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What is the greatest common factor of 60y and 56x2?
The GCF is 4.
The length of a rectangle is twice its width The perimeter is 60 feet Find its area?
Let x be the length and y be the width.x=2yPerimeter = 2 x length + 2 x width = 2x+2y = 2(2y)+2y = 4y+2y=6y6y = 60y=10width is 10Length is 2y = 20Area = length x width = 20 x 10 = 200 square feet
What is 14x plus 24y?
50x and 60y
What is the gcf of 15xy and 60y?
15y
What is the greatest common factor of 60y and56x2?
The GCF is 4.
What is the greatest common factor of 60y and 56x2?
The GCF is 4.
Solve this using substitution x plus 2y equals 30 x2 plus y2 equals 900?
x+2y = 30 => x= 30-2y x2+y2 =900 (30-2y)2+y2 = 900 (30-2y)(30-2y)+y2 = 900 900-60y-60y+4y2+y2 = 900 5y2-120y = 0 y(5y-120) = 0 y = 0 or y= 24 Substitute the value of y into the original equations to find the value of x: Therefore: x = -18 and y = 24 Check: -18+48 = 30 and (-18)2+242 = 900
What 2 numbers multiply to make 144 but add to make 60?
30+6(21^0.5) ~ 57.49545 30-6(21^0.5) ~ 2.50455 X*Y=144 X=144/Y X+Y=60 X=60-Y 144/y = 60 - Y 144 = 60Y - Y^2 Y^2-60Y+144=0 Quadratic equation gives you: 30+6(21^0.5) ~57.49545 30-6(21^0.5) ~2.50455
The length of a rectangle is twice its width The perimeter is 60 feet Find its area?
Let x be the length and y be the width.x=2yPerimeter = 2 x length + 2 x width = 2x+2y = 2(2y)+2y = 4y+2y=6y6y = 60y=10width is 10Length is 2y = 20Area = length x width = 20 x 10 = 200 square feet
How many gallons of a 70 percent solution must be mixed with 70 gallons of 10 percent antifreeze to get a mixture that is 60 percent antifreeze?
Say x = total gallons of solution at 60%Say y = gallons of 70% solutionx=70+y gallonsThen .60x = .70y + .1(70)substituting for x gives.60(70) + .60y = .70y + .1(70) or42 + .6y = .7y + 7 or42-7 = .1y gives y = 350 gals and x = 420 gals total solutionThe answer is 350 gallons
Why do adults have the tendency of over-eating and under-eating?
U suppose overeating is most commonamong adults (16-60y old) It hasn't been for long that there is plenty of food available. In the past people had to eat and fatten up for worst er times. This instinct could have saved you in the past. If cave people just ate what they needed, many would die during winter months when food was not always available. We still often like fat and sweet things since they have higher calorie counts then sour and bitter tasting things. Under eating is more common among elder people (60+ y old) They just loose their sense of taste making them feel less hungry. That is why older people often use more salt.
How old were all presidents when first elected?
The usual form of the question is "what was the age at which each became President?" (ignoring any distinction between those who were elected or those who took over at the death or resignation of their predecessor). Including ALL Presidents, and counting those later elected "in their own right" increases the age a bit.The median age overall (whether elected or not) is 54 years, 11 months.Most by far were in their 50s (twenty-four), esp. 50-55 (fifteen).The range of those elected has been from 43 (Kennedy) to 69 (Reagan); Theodore Roosevelt became President at 42 (on the death of McKinley). No others under 45 have been elected, and only two were over 65 when elected (W.H. Harrison at 68, and Reagan), so we could say "mostly between 45 and 65".
