125 Answered Questions for the topic Solving Equations

Solving Equations

10/05/16

#### The formula P=2w+2l is used to find perimeter of a rectangle (width and len .Find the width of the rectangle if its perimeter is 100 cm and its length is 19 cm.

I am not really sure how to do this stuff so if u can help me it would be really appreciated...thanks! W is width and l is length
Solving Equations

10/05/16

#### A rectangle which has a perimeter of 100 cm contains 4 sides of 4x+1, 4x+1, x-1, and x-1. What's the equation, x solved, and the length of each side?

I need help with this type of stuff...I am just not understanding

09/19/16

#### I am having trouble finding the hr, min, and seconds with this math problem.

John ran the? 100-m dash with a time of 9.86 sec. If this pace could be maintained for an entire 26-mi ?marathon, what would his time? be? (Notice that 1 m ~ 3.281 ft and 1-mi = 5280 ft.) His time... more
Solving Equations

09/15/16

#### There are 6 fewer books in Ashley's library than in Jennifer's. If there are 20 books total, how many books does Ashley have?

I can not figure this question out and its due tomorrow, please help. I think the answer is 8 but i dont know.
Solving Equations

09/08/16

#### Alex has twice as much money as Jennifer. Jennifer has $6 less than Charlie.All together they have$54.How much money does each have

my teacher wants us to use the y equals me plus b to do thisin think

#### determine whether the following statement is always sometimes or never true. then justify your answer using precise mathematical language. An equation of the fo

I need help fast and an explanation as to why the answer is it would be great!! I really don't understand the question!!
Solving Equations Algebra 1 Solving Equations

08/25/16

#### the length of a rectangle is twice its width. the perimeter of the rectangle is 126 feet.

The length of a rectangle is twice its width the perimeter of the rectangle is 126 feet
Solving Equations

08/15/16

#### how fast was each plane flying?

two planes left the airport at noon. one flew east and the other flew west at twice the speed. after 3 hours the planes were 2700 mi apart. how fast was each plane flying?
Solving Equations Math Algebra 2 Algebra

07/02/16

#### Solving Rational Equations

John takes 2 hours longer than Andrew to peel 600 pounds of apples. If together they can peel 600 pounds of apples in 8 hours, then how long would it take John to peel the apples working alone?
Solving Equations

06/01/16

#### x^2+9x-10=0 How to find X?

How to find X? The zero is really confusing me there.
Solving Equations

06/01/16

#### 3^x+1=475 What would x be?

Really confused on how to solve this problem. thanks :)
Solving Equations

05/01/16

#### Solve. -np - 80 < 60 for n

-np - 80 < 60 for n
Solving Equations

04/11/16

#### Brenda has 95 cents in nickels and dimes. There are 13 coins altogether. How many of each does she have?

This question comes from a lesson called Solving Problems Using Equations
Solving Equations Math Calculus Writing Function Rule

03/15/16

#### find the equation if The maximum value of g is g(-1)=6, and g(-3)=4

this is a writing quadratic function problem.HELP
Solving Equations

03/12/16

#### solve for k

If  8k = 4/9 then what is k
Solving Equations

03/09/16

#### What is X?Thanks

(3/x-2)+(5/x)=4/x thanks again!
Solving Equations

02/15/16

f+0.4+0.6f=-0.6

#### |2x + 1| = 3

Solve the inequality. Express the answer using interval notation.

01/28/16

#### x^(3/2) - 14x^(1/2) + 49x^(-1/2) = 0

find all real solutions.

#### absolute value equations

Solve the equations:|x|= x^2+x-24|x+1|=x^2-5

01/25/16

#### solving equations with rational exponents

I'm having a little trouble solving equations when there is a rational exponent. Would you be able to explain how to do the following? (x+3)^2/3 = 8 (x^2-5)^3/2=27 3x(x-1)^1/2 + 2(x-1)^3/2=0
Solving Equations Equation Square Root Radical

01/25/16

#### solving an equation with a radical

solve the equation: the square root of x+2 - the square root of 2x+3 = -1
Solving Equations Equation Square Root Radical

01/25/16

#### solving an equation with a radical

what are the solutions to the equation: the square root of x+5 + the square root of x-5 = 10

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