justamazing justamazing

18-05-2019
Mathematics

contestada

Which of the following is the solution for 9<=1-4x<21

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

20-05-2019

Answer:

-5 < x <=-2

Step-by-step explanation:

9<=1-4x<21

Subtract 1 from each side

9 -1<=1-1-4x<21-1

8 <= -4x < 20

Divide each side by -4. That means to flip all inequalities

8/-4 >= -4x/-4 >20/-4

-2 >=x > -5

-5 < x <=-2

Answer Link

Otras preguntas

What are the 5 categories of a star

Explain why Martin Luther (Who wrote the 95 Theses) was excommunicated from the Catholic Church in the 1500's. What were some of the consequences of his action

discuss the pros and cons of gene testing.

(3.5x10^-5)(3x10^-10) express in scientific notation

which element is used in light bulbs as filament

An average person in the United States throws away 4.5 × 10^–1 kg of trash per day. In 2013, there were about 3.2 × 10^6 people in the U.S. About how many k

Translating words into expression. The quotient of 6 more than twice a number and the number?

write the equation of a line with a slope of −2 and a y-intercept of 5.

Yo ______________ el libro en 30 minutos

How does the time we live in threaten the third, and most precious, kind of friendship, according to Mr. May? Why is it important to cultivate such friendships