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509

help with algebra

A carpenter is working on a deck. He hires two assistants who work 60% as fast as he works. If all three work together on the deck, they should finish in what fraction of the time that he would take working alone?

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Guest Jan 11, 2021

-1

531

Help

Using the digits 2, 3, 4, 7 and 8, Carlos will form five-digit positive integers. Only the digit 2 can be used more than once in any of Carlos’ five-digit integers. How many distinct fivedigit positive integers are possible?

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Guest Jan 11, 2021

-1

497

Plz Help

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Guest Jan 11, 2021

-1

513

+216

Help Please

Using the digits 1, 2, 3, 4, 5, how many even three-digit numbers less than 500 can be formed if each digit can be used more than once?

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Jmaster10 Jan 11, 2021

-1

521

+216

Math Help Please

How many odd five-digit counting numbers can be formed by choosing digits from the set if digits can be repeated?

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Jmaster10 Jan 11, 2021

-1

479

+216

help

For how many integer values of between 1 and 474 inclusive does the decimal representation of terminate?

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Jmaster10 Jan 11, 2021

575

decimals

Marj needs to round , and she wants the result to be as large as possible. She has to round to the nearest thousand, the nearest hundred, the nearest ten, the nearest integer, the nearest tenth, or the nearest hundredth. What is the largest possible read more ..

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Guest Jan 11, 2021

416

Decimals

Marj needs to round $345.67$, and she wants the result to be as large as possible. She has to round to the nearest thousand, the nearest hundred, the nearest ten, the nearest integer, the nearest tenth, or the nearest hundredth. What is the largest possible read more ..

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Guest Jan 11, 2021

-1

552

counting

How many integers between 100 and 500 have at least two 8s as digits?

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Guest Jan 11, 2021

516

Confusion

I am confused 5/(3+4x) = 4/(4x+3).

If we cross multiply, we get
5(4x+3) = 4(3+4x) read more ..

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Guest Jan 11, 2021

675

+236

Ratio's

When you sketch a figure of an adult male, it is recommended that the head be $\frac{1}{8}$ of the total height. If the full drawn height of a 6-foot man is 10 inches, how many inches should the drawing of his head be from top to bottom? Express your answer read more ..

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Choff Jan 11, 2021

522

line

A line has a slope of -3/17 and its y-intercept is (0,18) . What is its x-intercept?

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Guest Jan 11, 2021

485

help algebra question

help drag and drop

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Guest Jan 11, 2021

-1

728

36x + 24

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Guest Jan 11, 2021

383

counting problem

Pat starts with two identical square pieces of paper. On the first one, she draws straight lines that divide the paper into a 3-by-3 grid of squares. The total length of the lines she draws is 18. On the second piece of paper, Pat draws straight lines read more ..

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Guest Jan 11, 2021

598

+59

math

How to separate the variable c from the heron formula?

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helloguys Jan 11, 2021

486

trapezoid

Let WXYZ be a trapezoid with bases XY and WZ. In this trapezoid, ZXW=105 degrees, XWZ=48 degrees, and XYZ=141 degrees. Find YXZ, in degrees.

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Guest Jan 11, 2021

575

+321

N is a four-digit positive integer. Dividing N by 9 , the remainder is 5. Dividing N by 7, the remainder is 3. Dividing

N is a four-digit positive integer. Dividing N by 9 , the remainder is 5. Dividing N by 7, the remainder is 3. Dividing N by 5, the remainder is 1. What is the smallest possible value of N?
<read more ..

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itachiuchihakujo Jan 11, 2021

375

Help

At a school trip with 15 students, if three members are to be chosen such that there are at least one male and one female student, there are 286 different possible selections. What is the difference between the number of males and females?
(A) 1 read more ..

Guest Jan 11, 2021

-1

529

+59

help pls

Heron's formula.
separate i p from the heron formula

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helloguys Jan 11, 2021

571

system

x + y + xy = 19
y + z + yz = 29
z + x + zx = 5
read more ..

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Guest Jan 11, 2021

418

Quick Help!!

How many triangles are there whose perimeter is 24 with side lengths x, y, z all integers? If triangles are congruent, they are considered equal.

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Guest Jan 11, 2021

600

help c&p problem

What is the probability that a list of five different, single-digit numbers, whose sum is 31, will contain exactly two prime numbers? Express your answer as a common fraction.

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Guest Jan 11, 2021

411

graph

A is a constant such that the graph of the equation Ax+3y=8 passes through the point (1,-3). Find A.

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Guest Jan 11, 2021

464

perfect squares

Some perfect squares (such as 100), have a digit sum (1+0+0=1) that is equal to the digit sum of their square root (1+0=1). Some other perfect squares (such as 121), have a digit sum (1+2+1=4) that is equal to the square of the read more ..

Guest Jan 11, 2021

All Questions ⁺⁰237748 Questions

help with algebra

Help

Plz Help

Help Please

Math Help Please

help

decimals

Decimals

counting

Confusion

Ratio's

line

help algebra question

36x + 24

counting problem

math

trapezoid

N is a four-digit positive integer. Dividing N by 9 , the remainder is 5. Dividing N by 7, the remainder is 3. Dividing

Help

help pls

system

Quick Help!!

help c&p problem

graph

perfect squares

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