1,081 Answered Questions for the topic Equations

Equations

07/03/15

equations topic
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)... more
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Equations Data Points

07/01/15

Which of the following equations describes the line of best fit given the data points (1, 1) (5, -11) and (7, -17)
A. y = 4 - 3x B. y = 4 + x C. y = 3 + 4x D. y = -3 - 3x  
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Equations

06/23/15

write an equation in slope intercept form of the line satisfying the given conditions.(2,3) -5x+8y=-34
Equations
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Equations

06/14/15

Write a quadratic equation having the given solutions. 4, -8
Write a quadratic equation having the given solutions. 4, -8
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Equations

06/09/15

Solve this equation
x2-12=0
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Equations

06/09/15

Find the equation of the line L in the following case and then write it in standard form
Line L has y-intercept (0, -3) and perpendicular to 3x-2y=5
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Equations

06/03/15

Word Problem Equation
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?
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Equations

06/03/15

Word Problem --Equation
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.
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Equations

06/03/15

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?
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?
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Equations

05/28/15

Suppose that I give that a line passes thru (-4,6) and parallel to the line y= 1/4 x+10.
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... more
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Equations

05/24/15

A tour group split into two groups when waiting in line for food at a fast
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... more
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Equations

05/23/15

please solve this equation.(x+1)÷2=x
Please solve it
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Equations Equation

05/12/15

jared uses the equation C=30n to determine cost, C in dollars, for renting a car for n days where n is a whole number
 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,  
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04/29/15

Help with this word problem please
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... more
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04/28/15

Help with this word problem please
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... more
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Equations

04/28/15

if y varies directly as x and y=11 when x=4 find the equation of the variation?
If y varies directly as x and y=11 when x=4, find the equation of the variation
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Equations Algebra 2 Variation

04/27/15

Write the equation in the form y=k/x
Write the equation in the form y=k/x y=6/5x  
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Equations

04/26/15

Please answer quickly
 Simplify and combining like terms    2.52+4(2.3n+4.8)-2.8   what is the value when  a equals 1/5  B equals 5 C equals 1.2 A/b*c(c2- c
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04/26/15

decide whether the graphs of two equations are parallel lines
Y=2x-12 6x-12=0   I am doing an ECA review and have no idea how to do this. if you could help that would be great thank you
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04/23/15

Solve the equation. (Write your answer from the smallest to the largest number, with comma and no space)
x^3-11/4 x^2+5/4 x+1/2=0
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04/23/15

Solve the equation. (Write your answer from the smallest to the largest number, with comma and no space)
3x^3-11x^2-6x+8=0
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Equations Math Math Help

04/23/15

Solve the equation. (Write your answer from the smallest to the largest number, with comma and no space)
x^3-3x^2-4x+12=0
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04/23/15

I need help on these 2 math problems, please!
1)) (write and equation)  A truck leaves a house and travels at a steady rate of 40mi/h. the family leaves the house 1 hour later following the same route. they travel at a steady rate of 60mi/h.... more
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Equations Feet Seconds Height

04/23/15

h= -16t^2+100t+84
Benjamin threw a rock straight up from a cliff that was 84 ft above the water. If the height of the rock h, in feet, after t seconds is given by the equation h= -16t^2+100t+84, how long will it... more
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04/21/15

MATH! PLEASE HELP (story problems/ equations)
write an equation for each story problem...   #1)) jessie had candy to give to her friends. she first took 10 pieces for herself and then evenly divided it among her friends. each friend recieved... more
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