Gravy

6 Questions
3 Answers

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Analytic Geometry Problem

This problem seems to be easy but im stil lgetting the wrong answer
What is the distance between the vertices of the ellipse: 64x^2 + 25y^2 – 16x – 16y – 648 = 0?
my answer is:
a^2=90 read more ..

Gravy May 31, 2023

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47

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SOLUTION HELP

A rectangle is inscribed in a parabola y^2 = 16x with the side of the rectangle along the latus r****m of the parabola. If the area of the rectangle is maximized, compute its perimeter.
the answer is: 14.57
What solution read more ..

Gravy May 31, 2023

0

47

1

+28

Simple question

I have a question regarding a solution
The 1st, 4th, and 8th terms of an AP are themselves geometric progression. What is the common ratio of the GP?
where:
1st term = a read more ..

Gravy May 14, 2023

0

58

4

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ARITHMETIC PROGRESSION PROBLEM

The sum of all numbers between 0 and 10,000 which is exactly divisible by 77 is:
that answer is apparently 645645 but I only get either 634426 or 654350 when i solve, pls enlighten me how to get the correct answer.

Gravy May 14, 2023

+1

42

6

+28

ALGEBRA WORK PROBLEM

A father and his son can dig a well if the father works 6 hours and his son works 12 hours, or they can do it if the father works 9 hours, and the son works 8 hours. How long will it take for the son to dig the well alone?
the read more ..

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Gravy May 14, 2023

+28

+1

i see now, thank you very much!

GravyMay 15, 2023

+28

+1

i see now, thank you very much!

GravyMay 15, 2023

+28

+1

thank you very much for answering but this is from practice exam where we get to see the correct answer, and the answer is 20(unless they're wrong). I just want to know how did they come up with 20.

GravyMay 14, 2023