thedudethatneedshelp

29 Questions
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please help :)

Thirty-one students who write a contest get all the integer grades from 70 through 100, with
different students getting different grades. When one particular score is removed, the average
of the 30 remaining scores is the same as the average of all read more ..

thedudethatneedshelp May 1, 2020

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781

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plz halP!

Anna, Bob and Carol ran a 1000m race and each ran at a (different) constant speed throughout the entire race. When Anna finished, Bob and Carol were at the 800m and 600m mark respectively. When Bob finished, how far (in metres) was Bob ahead of Carol? read more ..

thedudethatneedshelp May 1, 2020

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696

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help!

Reim and Bindu are in a line with other students, waiting to see a movie. There are at most 30 students in the line. Reim says: “There are three times as many students after me in this line than before me.” Bindu says: “There are four times as many students read more ..

thedudethatneedshelp May 1, 2020

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677

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halp!

If the graph of the line y=ax+b passes through the points (4,5) and, (8,17) what is a-b?

thedudethatneedshelp Apr 4, 2020

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637

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+126

help plz

The perimeter of a rectangle is 24 inches. What is the number of square inches in the maximum possible area for this rectangle?

thedudethatneedshelp Apr 4, 2020

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478

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+126

plz help!!

If $y = -x^2 + 5$ and $x$ is a real number, then what is the maximum value possible for $y$?

thedudethatneedshelp Apr 4, 2020

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1242

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can anyone help :(

A new green technology can be installed in your home for a one-time installation cost of $10,000 and annual maintenance costs of $$650 per year. If the green technology is supposed to save you $1200 each year in energy bills, how many whole years read more ..

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thedudethatneedshelp Mar 29, 2020

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529

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someone help me with my graph question

In a rectangular coordinate system, the line 3y=x intersects the line 2x+5y=11 at point A. What is the sum of the coordinates of point A?

thedudethatneedshelp Mar 29, 2020

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452

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can someone please help me with this question?

A line parallel to $y = 4x + 6$ passes through $(5, 10)$. What is the $y$-coordinate of the point where this line crosses the $y$-axis?

thedudethatneedshelp Mar 27, 2020