4,511 Answered Questions for the topic prealgebra

Prealgebra Math Algebra 1 Algebra 2

12/27/20

Hard SAT Math question involving rates, distance, and time
A car is traveling at x feet per second. The driver sees a red light ahead, and after 1.5 seconds reaction time, the driver applies the brake. After the brake is applied, the car takes x/24 seconds... more
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Prealgebra Math Algebra 1 Algebra 2

12/27/20

Hard SAT Math question involving rates, distance, and time
A car is traveling at x feet per second. The driver sees a red light ahead, and after 1.5 seconds reaction time, the driver applies the brake. After the brake is applied, the car takes x/24 seconds... more
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Prealgebra Math Algebra 1 Algebra 2

12/23/20

Logarithm question

Log2(x-2)=4i got the solution correct, it’s x=102, x=201/100 but I need the domain too and I got x>0 which is wrong. Please help!
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Prealgebra Math Algebra 1 Algebra 2

12/23/20

Logarithm question

Log22x+3=2log2x2i can’t figure out what the domain is and the solution. Help please! :(
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Prealgebra Math Algebra 1 Algebra 2

12/23/20

Logarithm question

Log3(x-3)>2i solved and got x>12 which is correct, but for the domain I got 12<x<25 and it was wrong so I need the domain.
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Prealgebra Math Algebra 1 Algebra 2

12/23/20

Need to solve inequality
Sqrt(x-5)=xi need to find solution I got all real numbers but I guess it was wrong
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Prealgebra Math Algebra 1 Algebra 2

12/23/20

Problem: |2x+3|>5
I need to solve and find domain
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Prealgebra Math Algebra 1 Algebra 2

12/23/20

Domain and solve
(x-5)^2(x+1)^3(x-1) is greater than or equal to 0i need to find domain and solution
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Prealgebra Math Algebra 1 Algebra 2

12/23/20

Please Find f^-1(x)
f(x)= 8x/x-2, x= is not equal to 2f-1(x)=?State any restrictions on the domain of f-1(x). x > 2 x>8 X= NOT EQUAL TO 8 X= NOT EQUAL TO 2 There are no restrictions on the domain
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Prealgebra Math Algebra 1 Algebra 2

12/23/20

If f is a one-to-one function and f(0) = 3, f(1) = 1, and f(2) = 2, find the following.
(a) f-1(1)f-1(1)=?(b) f-1(2)f-1(2)=?Show your work
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Prealgebra Math Algebra 1 Algebra 2

12/21/20

find the inverse of the given notation and fill in the question marks.
x=1/5y+6x-? =1/5y+6-6x-? =1/5y5(x-? )= 5(1/5y)5(x)-5(?)=y5(x)-5(?)=y5x-?=yf-1(x)=?
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Prealgebra Math Algebra 1 Algebra 2

12/21/20

Use a calculator to find the value of A. ( A= Pert)
P= 2,000r= 5%t= 4A= 2,000(?)0.2= 2,000(?)=?Because A represents money, apply the standard rules of rounding to round to the nearest hundredth.Thus, the balance in the account at the end of 4 years... more
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Prealgebra Math Algebra 1 Algebra 2

12/19/20

What function represents a translation of the logarithmic function f(x) = log2 x that is 2 units to the right and 4 units up?
f(x)=?State it's domain: all real numbers x < 2     x < 4 x > 2 x > 4 Select Range: y < 2 y > 2     all real numbers y < 4 y > 4
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Prealgebra

12/17/20

how many shirts can you buy for 385$?
when there is 4$for shirts and 25$for shipping?
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Prealgebra

12/17/20

what is the x-intercept
7x − 9y = –7
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Prealgebra

12/13/20

y=7x-3 ordered pair
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Prealgebra Math

12/11/20

The area of the picture is 100 square inches. The length is 4 times the width. Find the length and width of the picture.
please answer this problem doesn't make sense
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Prealgebra Fractions

12/11/20

6= t/5 what is the solution for t.
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12/11/20

7/8=1/4 + p what does p=
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Prealgebra

12/11/20

Each morning, the employees in an office drink at least 73 cups of coffee. Write an inequality that represents this situation. Let  represent the number of cups of coffee
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Prealgebra

12/09/20

A ​$270 suit is marked down by ​10%. Find the sale price.
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Prealgebra Algebra

12/09/20

What is the slope intercept form equation and how many donations do you need?
You need to create a valentines package. 50 valentine packages cost $4300. You've started your own charity donation program. The three scenarios listed below show how much donations(y) you've... more
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Prealgebra

12/08/20

Please I NEED help
During a recent election, 42 of every 100 registered voters in a certain city voted. If there were 181,600 registered voters in that city, how many people voted?
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Prealgebra

12/08/20

Please I need help thanks
A traveling salesman figures it costs 28 cents for every mile he drives his car. How much does it cost him (in dollars) a week to drive his car if he travels 495 miles a week?
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Prealgebra Factoring

12/07/20

factor 6+27 using gcf
it said 6(2+9) was the wrong answer.
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