Answer:
-1.3
Step-by-step explanation:
(X1, Y1) (X2,Y2)
M= Y2-Y1/X2-X1
M= 4-(-8)/-6-3
M= 12/-9
M= -1.3
She is 3 years older than her brother and has (x+3) in the equation means that x is being used as her brothers age. (She is adding 3 to her brothers age)
The answer is Amy's brother's age.
Use proportions because we know that the triangles are similar.
Cross multiply.
20x=28×5
x=7
answer: 7
#Lets just write x as the nunber you asked
x × 40/100 = 18
x = 18 : 40/100
x = 18 × 100/40
y = 1800/40
y = 45
<h3>
Answer : 45</h3>
Answer:
x+y=5
Step-by-step explanation:
y=-x+5
add x to both sides
x+y=5
