Dreamcatcher0107
Dreamcatcher0107
15-05-2017
Mathematics
contestada
How do I solve for r
Respuesta :
ashsmith
ashsmith
15-05-2017
to solve for R you use PEMDAS
Answer Link
FLORC
FLORC
15-05-2017
4 (r-10)^2+2=38
expand 4 [(r-10)(r-10)]+2=38
solve r-10×r-10
4 (r^2-20r+100)+2=38
-2 both sides
4 (r^2-20r+100)=36
÷4 both sides
r^2-20r+100=9
-9 both sides
r^2-20r+91=0
(r-7)(r-13)=0
r=7,13
Answer Link
VER TODAS LAS RESPUESTAS ( 64+ )
Otras preguntas
Which planet has an AU of 5.20? A. Uranus B. Earth C. Mercury D. Jupiter
The _______ demanded that Latin American countries keep their financial affairs on order or risk intervention by the United States. A. Good Neighbor Policy B.
4400 is 10 times as much as 440
Odysseus's home is on the island of
3 clues that indicate a chemical change
how might your study of biology help inform you about your lifestyle choice
Jean walked 1 mile to her friends house, and then bicycled for 2 hours at m miles per hour. Write an expression for the total length of her trip.
Which of these texts is a functional text? a news report a user manual a textbook a history book
Which of these texts is a functional text? a news report a user manual a textbook a history book
how do you use counterpoint and drawback in a sentence
