4,511 Answered Questions for the topic prealgebra

Prealgebra

11/15/22

A line has a slope of 1 and includes the points ( – 9, – 3) and ( – 7,u). What is the value of u?
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Prealgebra

11/15/22

The ratio of men to women working for a company is 3 to 7. If there are 85 women working for the company, what is the total number of employees?
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Prealgebra

11/15/22

Does the equation y = 2.291e−0.651^t represent continuous growth, continuous decay, or neither? Explain.
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Prealgebra

11/15/22

The equation N(t) = 1900/ 1 + 200e−0.625t models the number of people in a school who have heard a rumor after t days.
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Prealgebra Math Algebra 1 Algebra 2

11/11/22

Using laws of logarithms, write the expression below as a single logarithm 6(log(x+2)+(⁷⁄₆)log(x+1))= log(________________)
Please help me with this. No one can figure it out.
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Prealgebra Math Algebra 1 Algebra 2

11/11/22

Using laws of logarithms, write the expression below as a single logarithm 6(log(x+2)+⁷⁄₆log(x+1))= log(________________)
(help)
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11/11/22

Which of these log rules are true and which are false? Im having trouble with the 1/2 and radicals.

  ?    True    False     1. ln(A)ln(B)=ln(A)+ln(B)  ?    True    False     2. (log(A))/(log(B))=log(A)−log(B)log⁡(A)log⁡(B)=log⁡(A)−log⁡(B)  ?    True    False     3. √ln(A)=ln(A(1/2))ln⁡(A)=ln⁡(A^... more
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Prealgebra Math

11/10/22

System of Equations Word Problem
Georgia bought 3 pens and 4 notebooks for $26.50 from the bookstore. She later bought 7 pens and 5 notebooks for $41.25 from the same bookstore. How much would you have to pay for 2 pens and 2... more
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Prealgebra Math Algebra 1

11/10/22

System of Equations Word Problem
Arsene saves $55 per week and already saved $270. Jose has $990 and spends $35 per week. How many DAYS until Arsene and Jose have the same amount of money? And, does this problem require you to... more
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Prealgebra Math Algebra 1

11/10/22

System of Equations Word Problem
Arsene saves $55 per week and already saved $270. Jose has $990 and spends $35 per week. How many DAYS until Arsene and Jose have the same amount of money? And, does this problem require you to... more
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Prealgebra

11/10/22

1x+1=2x+4 what is x
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Prealgebra

11/09/22

Square B is 4 : 9 how many yards

The ratio of the side length of Square A to the side length of Square B is 4 : 9. The side length of Square A is 12 yards. What is the perimeter of Square B
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Prealgebra

11/08/22

what are the equivalent fraction and decimal for 33 1/3
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Prealgebra Math

11/08/22

Solve the equation 6 - 6x = 5x - 9x - 2
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Prealgebra Math Algebra 1 Algebra 2

11/08/22

MathQuestion Easy
The graph of f(x) = −3(x − 9)2 − 6 is a parabola that opens downward, with its vertex at (x, y)=?and and f (9) = ? is the maximum value of f.
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Prealgebra Math Algebra 1 Calculus

11/08/22

Math question algebra
Two polynomials P and D are given. Use either synthetic or long division to divide P(x) by D(x), and express P in the form P(x) = D(x) · Q(x) + R(x).P(x) = 9x3 − 4x2 − 9x,    D(x) = 9x − 4P(x) = ?
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Prealgebra

11/05/22

Using Formulas to Solve Word Problems
Solve the formula for the specified variable.I=Prtr=   Use pi for ππ. Put a space after ππ and before the variables.
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Prealgebra

11/04/22

what is the equation of the parabola with a focus of (-2,5) and a directrix at y=3
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Prealgebra

11/04/22

Solving Word Problems That Have Decimals
0.25x+0.2(x+6)=3
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Prealgebra

11/04/22

Solving Problems Involving Coins
Raven has a change jar that contains $18.00 in half dollars and dimes. The number of half dollars is 14 more than two times the number of dimes. How many of each type of coin does she have?
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Prealgebra

11/04/22

Solving Problems Involving Coins
Delfina has a change jar that contains $1.60 in quarters and pennies. She has 7 times as many pennies as quarters. How many of each type of coin does she have?
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Prealgebra

11/04/22

Solving Problems Involving Coins
Ashton has $3.75 in quarters and nickles in her car. The number of nickles is three more than the number of quarters. How many of each type of coin does she have?
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Prealgebra

11/04/22

Solving Problems Involving Coins
Aminata has $3.70 in dimes and nickles in her car. The number of nickles is two more than the number of dimes. How many of each type of coin does she have?
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Prealgebra

11/04/22

Solving Problems Involving Coins
Zephan has a change jar that contains $3.72 in half dollars and pennies. He has 15 more pennies than half dollars. How many of each type of coin does he have?
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Prealgebra

11/04/22

Solving Problems Involving Coins
Leah has a change jar that contains $9.00 in quarters and nickels. She has 13 times as many nickels as quarters. How many of each type of coin does she have?
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