25,809 Answered Questions for the topic algebra 1

Algebra 1 Math Physics

4h

#### physics homework question

An object moves along the x-axis according to the equation x = 2.95t2 − 2.00t + 3.00, where x is in meters and t is in seconds.a- Determine the instantaneous speed at t = 4.20 s.b-Determine the... more
Algebra 1 Math

9h

Algebra 1 Math

9h

#### A biologist is studying the growth of a particular species of algae. She writes the following equation to show the radius of the algae, f(d), in mm, after d days

A biologist is studying the growth of a particular species of algae. She writes the following equation to show the radius of the algae, f(d), in mm, after d days:f(d) = 7(1.06)dPart A: When the... more
Algebra 1

1d

Algebra 1

9d

11d

#### Marginal Revenue/profit question

If marginal revenue is -0.009x^2 + 1020 and the cost per unit is 1.5, how much do profits increase by when output is expanded from 90 units to 148 units?
Algebra 1 Math

12d

#### Town officials want to estimate the number of households that own a dog

Town officials want to estimate the number of households that own a dog. Answer the following. (a) Which of the following surveys probably would best represent the entire population of households?... more
Algebra 1 Math

12d

#### Please help! A radioactive substance decays according to the following function, where y0 is the initial amount present, and y is the amount present at time t (in days).

A radioactive substance decays according to the following function, where y0 is the initial amount present, and y is the amount present at time t (in days).y = y0e-0.019tFind the half-life of this... more
Algebra 1 Sat Math

13d

#### System of Equations

2x − 3y = −14 3x − 2y = −6If (x, y) is a solution to the system of equations above, what is the value of x−y ?
Algebra 1 Sat Math

13d

#### Graphing A Linear Equation; using slope and a point to write an equation in y = mx + b form

A line in the xy - plane passes through the origin and has a slope of 1/7. Which of the following points lies on the line?A) (0, 7) B) (1, 7) C) (7, 7) D) (14,2)
Algebra 1

13d

#### Help Writing a Difficult Real Life Algebraic Equation

Vipul is a 7th grade dyslexic and dysgraphic child and his teachers think it is most fair to give him time and a half to finish his work (rather than cutting the amount of work he has to do, even... more

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