ruby has one solution that is 10% nitric acid and a second that is 20% nitric acid . how many ounce of each is needed to make 20 ounce of a solution that is 15% nitric acid . (a)(5,15)...
ruby has one solution that is 10% nitric acid and a second that is 20% nitric acid . how many ounce of each is needed to make 20 ounce of a solution that is 15% nitric acid . (a)(5,15)...
A. y = 4 - 3x B. y = 4 + x C. y = 3 + 4x D. y = -3 - 3x
Equations
Write a quadratic equation having the given solutions. 4, -8
x2-12=0
Line L has y-intercept (0, -3) and perpendicular to 3x-2y=5
Another question I am stumped on is determine the standard form of the equation of the line that passes through (9, -4) and (6, 4).
Bill is twice as old as his brother Dan. IN 7 years , Bill will be 1.5 times as old as Dan will be.How old is Bill now?
The ages of Jon and Sam total 27 years. In 4 yeas Sam's age plus twice Jon's age will be 43. What are Jon and Sam's ages?
A piggy bank contains 91 coins whic are nickles, dimes and quaters. There are twice as many quaters as dimes, and half as many as dimes. Determine how much is in the piggy bank.
Suppose that I give that a line passes thru (-4,6) and parallel to the line y= 1/4 x+10. Find the eq of the new line." Step by step. Please answer the question in English with no variables...
A tour group split into two groups when waiting in line for food at a fast food counter. The first group bought 8 slices of pizza and 4 soft drinks for $36.12. The second group bought 6 slices of...
Please solve it
if jarad can spend a maxium of $200 on rental what is the posible value of n a) 7,8,9... b)6,7,8,9.... c) 0,1,2,3,4,5,6 d) 0,1,2,3,4,5,6,7,
In January of 2005, Donatello was one more than eleven times as old as Leonardo. In January of 2014, Donatello was seven more than three times as old as Leonardo. Which of the following statements...
A car and a motorcycle leave at noon from the same location, heading in the same direction. The average speed of the car is 30 mph slower than twice the speed of the motorcycle. In two hours, the...
At a candy store, Erika bought 3 kilograms of cinnamon red hots and 1 kilogram of gummy bears for $21.00. Meanwhile, Irene bought 3 kilograms of cinnamon red hots and 3 kilograms of gummy bears for...
A chef is using a mixture of two brands of Italian dressing. The first brand contains 5% vinegar, and the second brand contains 15% vinegar. The chef wants to make 390 milliliters of a dressing that...
A chef is using a mixture of two brands of Italian dressing. The first brand contains 5% vinegar, and the second brand contains 15% vinegar. The chef wants to make 390 milliliters of a dressing that...
If y varies directly as x and y=11 when x=4, find the equation of the variation