1,067 Answered Questions for the topic Algebra Help

Algebra Help

05/01/15

How to solve the follow equation 15/m=1/7 / 1/3
How do I solve an equation with a variable in the denominator
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04/30/15

find the product of the roots
equation:   y = x³ - 4x² + x + 6
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Algebra Help

04/30/15

A taxi driver charges an initial fee of $10.00 plus $5.00 per mile for each ride. How much will he charge for 10 miles? Use the explicit formula.
A taxi driver charges an initial fee of $10.00 plus $5.00 per mile for each ride. How much will he charge for 10 miles? Use the explicit formula.
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Algebra Help

04/30/15

A person dies at 6 am. The temperature of the body and of the room are measured at 37oC and 27oC respectively. Find the equation that models to find the tempera
A person dies at 6 am. The temperature of the body and of the room are measured at 37oC and 27oC respectively. Find the equation that models to find the temperature of the body at “t” hours.
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Algebra Help

04/30/15

The pressure, P in pounds per square inch (PSI) on a diver depends upon their depth below the water surface, d, in feet, following the equation P(d) = 14.696 +
The pressure, P in pounds per square inch (PSI) on a diver depends upon their depth below the water surface, d, in feet, following the equation P(d) = 14.696 + 0.43d. Interpret the components of... more
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Algebra Help

04/30/15

A teacher gave 1 note card to the first student, 1 note card to the second student, 2 note cards to the third student, and 3 note cards to the fourth student. I
A teacher gave 1 note card to the first student, 1 note card to the second student, 2 note cards to the third student, and 3 note cards to the fourth student. If this pattern continues, write a... more
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Algebra Help

04/30/15

Write the explicit and recursive formulas for the sequence 6, 10, 14, 18, ...
Write the explicit and recursive formulas for the sequence 6, 10, 14, 18, ...       Is the full question.
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Algebra Help

04/26/15

solve by substitution
-6x-2y=14 x-2y=0
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Algebra Help

04/26/15

Algebra word problem. HELP!
country A has a growth rate of 3.1 per year. The population is currently 4,539,000 and the land area of country A is 31,000,000,000 sq yards. Assuming the growth rate continues and is exponential,... more
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04/23/15

write a quadratic equation in ax^2 + bx + c = 0 form
one root: -2 + 3 square root of 2
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04/22/15

find the largest integral value of k in the equation that will make its roots real.
equation: kx2 - 5x +3 = 0
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Algebra Help Square Roots

04/21/15

Square root problem
Both the square root of 58 and the square root of 58.01 are irrational numbers. Find a rational number, n, such that the square root of 58 is less than the square root of n which is less than the... more
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Algebra Help

04/19/15

pls help with the solution to this question
two trains started a journey at thesame time from two places 300km apart.they travelled towards each other,one train travelling twice as fast as the other. they met 11/2hours after they started.... more
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04/16/15

Use the properties of logarithms to expand the following expression as much as possible. Simplify any numerical expressions that can be evaluated without a calc
Use the properties of logarithms to expand the following expression as much as possible. Simplify any numerical expressions that can be evaluated without a calculator. log2(2x2+8x+8) 
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Algebra Help

04/14/15

That she ran each day by 12%. in week 10, how many miles does she run each day? round to the nearest tenth of a mile.
Hailey has begun a fitness program.The first week she ran 3 miles every day. Each week she increases the amount that she ran each day by 12%. in week 10, how many miles does she run each day? round... more
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Algebra Help Formula Word Algebra

04/14/15

Completely stumped if anyone can explain that would be awesome.
Adam has coconut milk. the coconut milk is in a can but he doesn't know how much the can holds. The can is 12cm high and the diameter is 8cm using the formula V=.π r ²h, work out how much coconut... more
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04/12/15

In chemistry, the pH of a solution is a measure of the acidity or alkalinity of the solution. Water has a pH of 7 and in general, acids gave a pH less than 7 an
In chemistry, the pH of a solution is a measure of the acidity or alkalinity of the solution. Water has a pH of 7 and in general, acids gave a pH less than 7 and alkaline solutions have a pH... more
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Algebra Help

04/12/15

Find Slope Intercept
(a) Straight line passes through the point (-2,8) and is parallel to the line x+2y=4 Slope Intercept Equation is: (b) Straight line passes through the point (-1,9) and is perpendicular to the line... more
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Algebra Help

04/11/15

Find the solution to the system of linear equations using elimination.
Find the solution to the system of linear equations using elimination. {−6x+8y=6    8x−8y=0 Enter the system’s solution as an ordered pair including the parentheses and comma. If the system has... more
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04/07/15

Please help me solve this word problem (NEED HELP ASAP!!)
An architect designs a rectangular room with an area of 400 square feet. The length is to be 8 feet longer than the width. Find the dimensions of the room. Round your answer to the nearest tenth of... more
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04/07/15

Please help me solve this word problem (NEED HELP ASAP!!!!)
The height of an object shot straight up with an initial velocity of v in feet per second is given by h + -16ft2 +vt + c, where c is the initial height of the object above the ground. The ringer on... more
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Algebra Help

04/06/15

the sum of their squares is 53. find both numbers
one negative number is 5 more than another. the sum of their squares is 53. find both numbers
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04/06/15

solve by the substitution method
r-9s=0 9r-3s=390   what is the solution of the system. _ (type an ordered pair)
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04/06/15

solve the following system of equations using the substitution method
x=y+7 2x+y=5   the solution is. _ (type an ordered pair)
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Algebra Help

03/31/15

Fourteen times the reciprocal of a number is equal to seven times the reciprocal of nine. Find the number
Please help me in figuring out this word problem
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