katebrose katebrose

05-09-2019
Mathematics

contestada

i need help with number 21 please thank you

i need help with number 21 please thank you class=

Respuesta :

meredith48034 meredith48034

05-09-2019

Answer:

21. |x - 5| < 20

x - 5 < 20

x < 25

-(x - 5) < 20

-x + 5 < 20

-x < 15

x > -15

22. |x + 4| > 13

x + 4 > 13

x > 9

-(x + 4) > 13

-x - 4 > 13

-x > 17

x < -17 or x > 9

Answer Link

Otras preguntas

In scientific notation, what is the sum of 2.3 times 10^{-3} and 5.4 times 10^{-4}?a. 2.84 times 10^{-3}b. 5.63 times 10^{-3}c. 7.7 times 10^{-7}d. 12.42 times

In scientific notation, what is the sum of 2.3 times 10^{-3} and 5.4 times 10^{-4}?a. 2.84 times 10^{-3}b. 5.63 times 10^{-3}c. 7.7 times 10^{-7}d. 12.42 times

In scientific notation, what is the sum of 2.3 times 10^{-3} and 5.4 times 10^{-4}?a. 2.84 times 10^{-3}b. 5.63 times 10^{-3}c. 7.7 times 10^{-7}d. 12.42 times

jasmines cd collection is 3/8 jazz 1/4 rap and the rest is rock music what is the fraction of rock music

All of the following expressions have a value between 0 and 1, excepta. \frac{(-3^{7})}{(-3)^9}b. 4^{-10}× 4^{6}c. \frac{(8^3)^3}{8^{-4}} d. ( \frac{2}{5} ^{8})

What value of x makes the equation true ? 4(2x-4)=16

find the circumference of a circle whose radius is 15.4cm

jasmines cd collection is 3/8 jazz 1/4 rap and the rest is rock music what is the fraction of rock music

In scientific notation, what is the sum of 2.3 times 10^{-3} and 5.4 times 10^{-4}?a. 2.84 times 10^{-3}b. 5.63 times 10^{-3}c. 7.7 times 10^{-7}d. 12.42 times

find the circumference of a circle whose radius is 15.4cm