Questions & Answers for: Mathsoft f 20

...the formula C = a + bn where a and b are constants When 10 articles are produced the total cost is 320 when two are produced the cost is 520 form two euqations in a and b and solve them to find the ...

1111 base 2 + 1010 base 2 my answers are either 20 or 30 Neither of your guesses are correct. 1111 = ((1*2+1)*2+1)*2+1 1010 = ((1*2+0)*2+1)*2+0 Since the sum of the "low-order" bits (one '1' plus one

1/10 of 200 The answer is 20. Please rate 4 thumbs for the free answer

Alvin is now 20 years older than his son.In 10 years,he will be twice as old as his son's age.What are their present age's? Christine, (D=Dad's age, and S=Son's age) D=S+20 (Dad is 20 years older than

what is the answer to 10x minus 3x equals 20 plus 1 equals what joshua, X = 3 (answer) Here are the solution steps: 10x minus 3x equals 20 plus 1 10X minus 3X is 7X (right?) 20 plus 1 is 21 (right?) ...

16-5x2-2=20 insert parentheses so that each equation is correct Assuming the first '2' means "squared" then the equation is already correct for certain values of 'x'. Try (16-5)*2-2 16-(5x2)-2 16-5x(2

...grams lighter than bag B--> a=b-180 Solve the system to find a=60 g, b=4*60=240 g, and c=60/3=20 g. Thus b/c=240/20=12. Bag B is 12 times heavier than bag C or Bag C is 12 times lighter than

...want the values, use the equation a= b-180 3c=12c-180. Solve for c to obtain c=180 /(12-3)=180/9=20 c=20 g, a=3*20 g=60 g, b=12*c=12*20=240 g b/c= 240/20 ...

increse 20 by 20% 20 x 120 /100 = 24 or 20% is 1/5, so increase 20 by 1/5 = 4 so 20 + 4 = 24

how do I calculate 20% off Divide 20 by 100 to convert 20 percent to the decimal 0.2. Multiply 0.2 by the price of the item to calculate the amount of the discount. For example, if the original price ...