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544 Answered Questions for the topic Equation

Equation

24d

y=mx+b find a equation
The phone company Fee & Fee has a monthly plan where a customer pays a flat monthly fee, and then a set rate per minute. If a customer uses 350 minutes, the monthly cost will be $75. If the... more
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Equation Math Algebra

07/07/20

Systems of linear equation
A bank loaned out $15,000, part of it at the rate of 13% annual interest, and the rest at 11% annual interest. The total interest earned for both loans was $1,720.00. How much was loaned at each rate? more
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07/01/20

Write an equation for a line parallel to y = − 2 x − 5 and passing through the point ( 1 , − 1 )
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06/28/20

College Algebra
The graph of the parent function   has been shifted both horizontally and vertically. Give the equation of the translated graph pictured below.
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06/04/20

Word problem equation

Suppose the population of Detroit was 1.5 million in 1990 and 1.0 million in 2002. If the city is losing population exponentially, how many years after 2002 will its population be 0.5 million?
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Equation Algebra 2 Solve

05/23/20

How can logarithms be used to solve scientific problems that lead equations in the form a(10^mx)=c?
How can logarithms be used to solve scientific problems that lead equations in the form a(10^mx)=c?
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Equation Precalculus Algebra

05/04/20

A Mixture of Chocolate
A grocer sells milk chocolate at $2.70 per pound, dark chocolate at $4.60 per pound, and dark chocolate with almonds at $5.60 per pound. He wants to make a mixture of 50 pounds of mixed chocolates... more
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04/30/20

finding an sum equation - Combinatorics
I need help finding an equation for the next formula and getting rid of the SUM sign
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Equation Math Precalculus

04/29/20

√3/2cis(2π/9)*√6/4cis(3π/2)
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Equation Math Algebra

04/16/20

Equation of Hyperbola — Help!!
Hi! please help me!Question:A light on a wall produces a shadow in the shape of a hyperbola. If the distance between the two vertices of the hyperbola is 10 inches and the distance between the two... more
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Equation Algebra 1 8th Grade

04/02/20

A number increased by 6 is 54. What is the number?
Please help! This is a 8th grade equation.
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Equation

03/14/20

Eight more than the product of a number and 4 equals 6

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Equation Math Fractions

02/20/20

to make cookies you need 1/8 cups of sugar and you have 2 3/4 cups of sugar how many batches could you make?
to make cookies you need 1/8 cups of sugar and you have 2 3/4 cups of sugar how many batches could you make?
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Equation Math Algebra 2

02/13/20

EQUATION SOLVING: Solve the equation.
x3 − 3x2 − 4x + 12 = 0
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Equation

02/06/20

The sum of three times a number and 8 is 26
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Equation

02/04/20

Eight times the sum of a number and 9 is 7

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Equation Math Algebra 1

02/03/20

How do I solve this problem?
Computer use around the world has risen 19% anually since 1980If 18.9million computers were in use in 1980, Write an equation for the number of computers in use for t years after 1980.
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Equation Math Algebra 1

01/31/20

Algebra Cowboy Problem

A cowboy agreed to work for one year for 19,200 plus a horse. He quit after 7 months and was paid 10,450 but got to keep the horse. How many dollars was the horse worth if the salary pad reflects... more
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Equation Math Algebra

12/05/19

3 friends shared a prize - solve a equation of fractions with different denominator and without specific ratio
3 friends shared a prize, the 1st took 5/9 of the prize, the 2nd took 2/7 of the prize - the rest amount of the prize was equally shared to the 3 friends. If the 2nd person took $19.200, what was... more
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Equation Math Algebra 2

11/21/19

Imaginary numbers

Find the values of x and y that satisfy the equation 14x - 64i = 42 + yi
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Equation Math Trigonometry

11/21/19

trigonometric equation help
sin^2(x) - 3sin(x) + 2 = 0 within [-4π, 4π]
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Equation Math Algebra 1

11/12/19

Write an equation of the line that passes through (-1,3) and is parallel to the line y=2x+2
Write an equation of the line that passes through (-1,3) and is parallel to the line y=2x+2
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Equation Math Precalculus

11/07/19

Find the equation of the circle that is tangent to the line x=8 that has a center at (-5, 10)
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Equation Math Algebra 1

11/03/19

z varies directly as x and inversely as y. If z=159 when x=8 and y=6, find z if x=5 and y=8.
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Equation Calculus

11/01/19

If f (t)=t^2 + 3, find [ f(t + h) -f (t)]/h.
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