1,081 Answered Questions for the topic Equations

Equations

11/12/17

Let f(x)=2x−1. If 3f(a)=15, what is the value of f(2a)?
Let f(x)=2x−1. If 3f(a)=15, what is the value of f(2a)?
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Equations

11/12/17

Write the equation of each line. a line that passes through the point (4, 0) and whose slope is 0.5.
Write the equation of each line.a line that passes through the point (4, 0) and whose slope is 0.5.
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Equations

11/12/17

Write the equation of each line. a a line that passes through the point (0, –3) and parallel to another line whose slope is 1.2.
 Write the equation of each line.aa line that passes through the point (0, –3) and parallel to another line whose slope is 1.2.
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11/09/17

Hi, can someone help me and explain the steps for this problem please
Before you begin to solve either system of equations below, think about what you could do to change each equation so the numbers would be more "friendly". Explain what you would do for each... more
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Equations Word Problem

11/07/17

A scuba diver is practicing. He begins 3 feet below sea level the surface of the water and then dives down to the 9 foot marker. How far did he dive?
Please answer my question 
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11/03/17

A puppy named Lucky started out at 1 pound and gained 2 pounds every month. Write an equation that shows the relationship between the age a and the weight p.
Write your answer as an equation with p first, followed by an equals sign.
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10/31/17

Geometry, equations of parallel and perpendicular lines
How do you solve this?Directions: Write an equation of the line that passes through the given point and is parallel to the given line.Questions: 1. (1,7), -6x + y = -1 2. (-2,5), 2y = 4x - 6I... more
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Equations

10/25/17

solving equations involving fractions and decimals
3/4 + 1/2b = -3b
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10/24/17

A music player that normally sells for $90 is on sale for $75. What is the percent discount on the player?
A music player that normally sells for $90 is on sale for $75. What is the percent discount on the player?
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Equations Word Problems

10/22/17

Julio eats 6 raisins in the time Cari eats 4 raisins. When Julio has eaten 18 raisins, how many has Cari eaten?
Julio eats 6 raisins in thetime Cari eats 4 raisins. WhenJulio has eaten 18 raisins, howmany has Cari eaten?
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Equations

10/20/17

An online music streaming plan has no annual fee but charges $1.99 per song. Another plan charges an annual fee of $24 plus $.99 per movie watched. Write an
What would be an equation for this problem? Please, all I need is the equation...  
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Equations Interval

10/20/17

Show that an equation has a solution
show that (x^3)/2=sin [ πx/4 + π/2) has a solution over the interval [0,2] 
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Equations

10/15/17

Three less than the product of 7 and a number is 6
just translate the sentence into an equation 
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10/14/17

not sure how to write this equation and if it's one or two equations to get both answers!
A 50-ft-long piece of crime scene tape is cut into two pieces so that one piece is two-thirds as long as the other. How long is each piece?
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10/14/17

I know the answers are 37 cups for decaf and 74 cups for regular. Just don't know how to get those answers.
During the morning rush, a coffee shop sold half as many cups of decaf coffee as cups of regular coffee. If they sold a total of 111 cups of coffee, how many were decaf and how many were regular?... more
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Equations

10/12/17

I don't even know where to start
a company makes $25 profit from the sales of a product A and $35 from product B. Each uses 3 units of material and 5 units of labor. Each B requires 5 units of material and 4 units of labor. Let x... more
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Equations

10/11/17

Find the value of b+c+d
Find the value of b+c+d when   50 x^2 - 32 y^2 = 2(5x+by) (cx + dy)
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10/11/17

If x varies directly as y, and x = 8 when y = 24, what is the value of x when y = 6 ?
It is about algebra I think is an equation 
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Equations Math

10/10/17

Find m in this equation
X has to have 2 answers Find m |x-1|+|x-m|+|x-3|=2m+1
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Equations

10/09/17

I need to identify the variable and write out an equation.
 Jane went bowling last night. She paid $2.50 to rent shoes and $3 for each game bowled. If her total cost was $20.50, how many games did jane bowl?
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10/09/17

Exponential function and linear function
write the exponential function that pass through the points left-parenthesis 0 comma 500 right-parenthesis and left-parenthesis 1 comma 600 right-parenthesis.
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Equations

10/05/17

Decide whetheror not the ordered pair is a solution to the question.
3x+y=14; (3,5)  
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Equations

10/04/17

13) Ten times a number increased by 5 is 75.
13) Ten times a number increased by 5 is 75.
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Equations Solving Equations

10/02/17

The largest side of the triangle is 10 feet longer than the smallest side. The third side is twice the smallest side. The perimeter of the garden is 80 feet.
 The largest side of the triangle is 10 feet longer than the smallest side. The third side is twice the smallest side. The perimeter of the garden is 80 feet.
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Equations

10/01/17

need an equation
25 students are going to Italy, Japan and Egypt. the number of students going to Japan or Italy is 5 more than the number of students going to Egypt. The number of students going to Japan is two... more
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