$MathMaster logo$

MathMaster

Home
general
30y y y 144

Question

30y - y . y = 144

137

likes

683 views

Answer to a math question 30y - y . y = 144

$Expert avatar$

4.5

92 Answers

$30y-y^{2}-144=0$

$-y^{2}+30y-144=0$

$y_{1,2}=\frac{-30\pm \sqrt{30^{2}-4(-1)(-144)}}{2(-1)}$

$y_{1,2}=\frac{-30\pm 18}{2(-1)}$

$y=\frac{-30+18}{2(-1)},y_{2}=\frac{-30-18}{2(-1)}$

$=6$

$=24$

$y=6,y=24$

Frequently asked questions (FAQs)

What is pi/6 radians when converted from 30 degrees?

+

Question: Graph the inequality 3x + 2y ≤ 10 on a coordinate plane. (

+

What are the foci and the major axis length of an ellipse with equation (x-3)^2/16 + (y+1)^2/9 = 1?

+

New questions in Mathematics

Find two natural numbers whose sum is 230 and their difference is 10. Set up the system and solve it.

-442/c+5=26 what is c?

Since one of the three integers whose product is (-60) is (+4), write the values that two integers can take.

For a temperature range between -3 degrees Celsius to 5 degrees Celsius, what is the temperature range in degrees Farenheight

math question a bookstore announces a promotion valid for the same purchase as follows: buy a book and get 10% off the total purchase! buy two books and get 20% off your total purchase! buy three or more books and get 30% off your total purchase! Marcelo wanted to buy three books that cost 20.00 each without discount but he decided to buy two books in one day and another purchase with the third book the next day. If he had bought the three books at once he would have saved the following amount.

Estimate the fifth term if the first term is 8 and the common ratio is -1/2

Reparameterize the curve r(t)= cos(t)i without (t)j (t)k by the arc length.

A merchant can sell 20 electric shavers a day at a price of 25 each, but he can sell 30 if he sets a price of 20 for each electric shaver. Determine the demand equation, assuming it is linear. Consider (P= price, X= quantity demanded)

calculate the area in square units of A rectangle with length 6cm and breadth 5cm

TEST 123123+1236ttttt

Find the minimum value of the function y = -4 x3 + 60 x2 -252 x + 8 for values of x between x = 0 and x = 9 Enter the value of the function, not the value of x

2.380× (1+0.05) / 0.95−0.05

For what values of m is point P (m, 1 - 2m) in the 2⁰ quadrant?

94 divided by 8.75

a) Statistics scores are normally distributed with the mean of 75 and standard deviation of 7. What is the probability that a student scores between 80 and 88

Gender and communication : Answer the question ( 1 paragraph is ok) . Please can you write about women? Compared to your other identities, how much of a role does gender play in your life? And has your own sex/gender offered you privileges or disadvantages? How so?

Solve for z: 2z-6=10z+2