briannalane120
briannalane120
26-05-2017
Mathematics
contestada
NEED AN EXPERT PLZ ASAP
Respuesta :
Аноним
Аноним
26-05-2017
System of equations:
x + y = 23
x - y = 7
Add them together
2x = 30
x = 15
Now plug 15 into one of the equations:
15 + y = 23
y = 8
your two numbers are 15 and 8
Answer Link
apologiabiology
apologiabiology
26-05-2017
x+y=23 and
x-y=7
add
2x=30
divide 2
x=15
sub back
15-y=7
minus 15
-y=-8
y=8
da numbers are 8 and 15
Answer Link
VER TODAS LAS RESPUESTAS ( 22+ )
Otras preguntas
An 8-pack of clay pots costs $15.76. What is the unit price?
Given A(-2, 5) and B(13, -7), find the midpoint of AB. Select one: a. (-2, 11) b. (5.5, -1) c. (11, -2) d. (-1, 5.5)
Find the inequality represented by the graph:
Point M is 6 units away from the origin. Circle the letter by each pair of possible coordinates. A. (3, 0) B. (4, 2) C. (5, 3) D. (0, 6) E. (4, 4) F. (1, 5)
Tonya wants to be able to be able to call herself an interior designer on her business cards. What does she need to do to legally use the term “interior designe
The World Health Organization lists the following overall literacy rates per 100 people for countries. Which answer choice includes all countries with literacy
help please!!!!!!!!!
The slope equals zero and it passes through the point (x, y) = (1, −6).
Marquis wrote the linear regression equation y = 1.245 x minus 3.684 to predict the cost, y, of x songs purchased. marquis spent $40 on songs. which is the best
What is the sum of 4 + (-6)?
