y4nin08 y4nin08

02-11-2020
Mathematics

contestada

Use the quadratic formula to find the roots: -3x^2 + 27x = 42

Respuesta :

sherrydumanew sherrydumanew

02-11-2020

Answer:

x=2,x=7

Step-by-step explanation:

-3x^2+27x=42

x^2-9x+14=0

x^2-2x-7x+14=0

x*(xi2)-7(x-2)=0

(x-2)*(x-7)=0

x-2=0

x-7=0

x=2

x=7

Answer Link

Otras preguntas

A curved section of roadway is in the shape of a circular arc of 410-m radius. The curved section is horizontal, not banked. The coefficient of friction for tir

Which characteristic is shared by sonnets and haiku?

A curved section of roadway is in the shape of a circular arc of 410-m radius. The curved section is horizontal, not banked. The coefficient of friction for tir

Find 4 consecutive even integers where the product of the two smaller numbers is 72 less than the product of the two larger numbers?

Rachel and David share 40 biscuits between them in the ratio 2:3, How many biscuits do they each get?

Earth is a close approximation of a natural closed system. What are some ways that living in a closed system affects each of us.

Guess the mystery number.The number is greater then 10 and less then 18. The number is the sum of two identical odd numbers. What is the number? Show how you fo

State whether the following statements are true or false. Justify.(i) For an arbitrary binary operation * on a set N, a * a = a , for all a * N.(ii) If * is a

Where did the Greeks believe that most gods lived

All of the following are types of lyric poetry except; A. tankas. B. ballads. C. sonnets. D. madrigals.