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Algebra

Adam and Barb planned a used book sale for the weekend so they gathered their books and agreed on a price for hardbacks and a lower price for paperbacks. Adam sold 14 hardcover books and 20 paperbacks and earned $234 for his efforts. Barb sold 15 hardcover read more ..

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Guest Sep 24, 2020

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498

2

Need some help..

A street has 50 houses on each side, for a total of 100 houses. The addresses on the south side of the street form an arithmetic sequence, as do the addresses on the north side of the street. On the south side, the addresses are 1, 5, 9, etc., and on the read more ..

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Guest Sep 24, 2020

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365

0

need help

If I predict that there is a 20% chance that a student’s birthday is on December 25, is this empirical, classical, or subjective probability? read more ..

Guest Sep 24, 2020

0

542

1

need help fast

Find b! Please help!

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Guest Sep 24, 2020

0

630

2

+117

HELP NEEDED!

If f(x)=x^3+3x^2+3x+1, find f(f^{-1}(2010)).

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DragonXlayer Sep 24, 2020

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732

1

In triangle PQR, we have P = 90 degrees, QR = 20, and tan R = 3 sin R. What is PR?

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Guest Sep 24, 2020

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633

2

need help with line

What is an equation of the line that passes through the points (-3, 3) (3,−7) Put your answer in fully reduced form.

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Guest Sep 24, 2020

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485

1

please help!

The faces of a standard die are numbered 1, 2, 3, 4, 5, and 6 such that the sum of the numbers on any two opposite faces is 7. Tia writes one number on each vertex of the die such that the number on each face of the die is the greatest common divisor of read more ..

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Guest Sep 24, 2020

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627

0

+448

Proving a limit is false

Planck's constant has a numerical value of 6.62607004×10^−34 and is denoted by ℏ. Let 𝑓 be the function defined by
𝑓(𝑥)={0 if 𝑥<0
𝑓(𝑥)={ℏ if 𝑥≥0
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bioplant Sep 24, 2020

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672

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help me!

Find the measure of Angle 4 !!

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Guest Sep 24, 2020

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529

1

please help

Matt wants to make a 25% alcohol solution. He has already poured 1.5 qt. of pure water into a beaker. How many qt. of a 30% alcohol solution must he add to this to create the desired mixture?

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Guest Sep 24, 2020

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424

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please help im panicking

if m is the smallest positive integer such that m! is a multiple of 4125, and n is the smallest positive integer such that n! is a multiple of 281600, then find n-m.

All i know is that it's not 2, -2, -5, or 5. read more ..

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Guest Sep 24, 2020

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715

2

please help ASAP

Richard cuts a 4 1/2 x 7 1/2 ft x 11 1/4 ft rectangular prism into congruent cubes without any part of the prism leftover. If he makes the cubes as large as possible, how many will he produce?

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Guest Sep 24, 2020

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568

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Helppppp Please Asap

I need help on these two questions
And here's the second one

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Guest Sep 23, 2020

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3062

3

khan academy

The diameter of a human hair is 9 \cdot 10^{-5}9⋅10−59, dot, 10, start superscript, minus, 5, end superscript meters. The diameter of a spider's silk is 3 \cdot 10^{-6}3⋅10−63, dot, 10, start superscript, minus, 6, end superscript meters. read more ..

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Guest Sep 23, 2020

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514

1

PLEEEEEAAAAASE HELP

In the SuperLottery, three balls are drawn (at random) from ten white balls numbered from $1$ to $10$, and one SuperBall is drawn (at random) from ten red balls numbered from $11$ to $20$. When you buy a ticket, you choose three numbers from $1$ to $10,$ read more ..

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Guest Sep 23, 2020

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363

0

which function

Which piecewise defined function describes the given graph?

Guest Sep 23, 2020

+1

1493

4

+117

Assistance asap

1)Find the largest integer n for which 12^n evenly divides 20! .

2)Let A be the product of the divisors of 300. What is the sum of the distinct prime divisors of A?
read more ..

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DragonXlayer Sep 23, 2020

0

547

2

how i can calculate

how i can calculate

tanh

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Guest Sep 23, 2020

0

660

1

please help

The faces of a standard die are numbered 1, 2, 3, 4, 5, and 6 such that the sum of the numbers on any two opposite faces is 7. Tia writes one number on each vertex of the die such that the number on each face of the die is the greatest common divisor of read more ..

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Guest Sep 23, 2020

0

389

4

please help ASAP

if m is the smallest positive integer such that m! is a multiple of 4125, and n is the smallest positive integer such that n! is a multiple of 281600, then find n-m.

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Guest Sep 23, 2020

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593

1

plz help

Admission to a theater cost $5.50 for a child ticket and $11.50 for an adult ticket. The theater sold 80 tickets for $734.00. How many of each type of ticket was sold?

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Guest Sep 23, 2020

0

324

0

functions

Which functions have a range of R?

Guest Sep 23, 2020

0

509

1

+117

I need help... asap!

At what point does the graph of 3x+4y=15 intersect the graph of x^2+y^2=9? Express any non-integer coordinate as a common fraction.

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DragonXlayer Sep 23, 2020

All Questions ⁺⁰237665 Questions

Algebra

Need some help..

need help

need help fast

HELP NEEDED!

In triangle PQR, we have P = 90 degrees, QR = 20, and tan R = 3 sin R. What is PR?

need help with line

please help!

Proving a limit is false

help me!

please help

please help im panicking

please help ASAP

Helppppp Please Asap

khan academy

PLEEEEEAAAAASE HELP

which function

Assistance asap

how i can calculate

please help

please help ASAP

plz help

functions

I need help... asap!

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