$MathMaster logo$

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 the derivative of f(x) = e^x + 3sin(x) - ln(x) with respect to x?

+

What is the value of the sine of an angle θ, given the opposite side's length is 8 and the hypotenuse's length is 10?

+

Question: Find the absolute extrema of f(x) = x^3 - 4x^2 - 3x + 2 on the interval [0, 5].

+

New questions in Mathematics

a to the power of 2 minus 16 over a plus 4, what is the result?

calculate the following vector based on its base vectors a= -18i,26j

A brass cube with an edge of 3 cm at 40 °C increased its volume to 27.12 cm3. What is the final temperature that achieves this increase?

The bus one way of the road which is 10km is heading with speed of 20km/h ,then the bus the other 10km is heading with speed of 60km/h. The middle speed of the road is it equal with arithmetic speed of the v1 and v2 ?

A bird randomly chooses to land on 1 of 12 perches available in its aviary. Determine the Probability of it landing on a perch numbered 8 and then on a perch marked with a prime number; take into account that he never lands on the same perch in the sequence.

In a store, a person carries 14 kilos of rice and 28 kilos of flour. In what ratio are the kilos found? (Remember to simplify until you reach an irreducible fraction)

Let f(x) = x² − 1. Find the equation of the tangent line to the graph of f at the point x0 = 2.

The sum of two numbers is equal to 58 and the largest exceeds by at least 12. Find the two numbers

solve for x 50x+ 120 (176-x)= 17340

Determine the reduced equation of the straight line that is perpendicular to the straight line r: y=4x-10 and passes through the origin of the Cartesian plane

The thermal representation f(x) = 20 times 0.8 to the power of x is known from an exponential function f. Specify the intersection point with the y-axis

The physician orders 15mg of tramadol(liquid). On hand is 30mg/2mL vials. How many mL will the MA administer?

1. A pediatric client is prescribed digoxin for congestive heart failure. The dose prescribed is 40 mcg/kg twice daily. The child weighs 33 pounds. What is the dosage in mg to be given per dose? Round to the nearest hundredth. Calculate your answer in mg per dose. Enter numerical value only.____mg

The simple average of 15 , 30 , 40 , and 45 is

Calculate the difference between 407 and 27

Find the number of pounds of nails required for 17850 square feet of drywall if each thousand square feet requires 4.5 pounds of nails.

effectiveness of fiscal and monetary policy under closed and open economies

f(r) = 1/r+9 find f(x^2) + 1

f(x)= 9-x^2 find (f(x+h)-f(x) )/h