Answer:
the value of x° is 40° ..........
Answer:
6k +19
Step-by-step explanation:
7k-k+19
Combine like terms
7k-k = 6k
The expression becomes 6k +19
Answer:
S= z (y-x)/(x+y)
Step-by-step explanation:
Lets the speed of high speed train = u
Lets the regular speed train = v
We know that
Distance = Speed x time
For high speed train
z = u .x
u= z/x ----------1
For regular speed train
z = v .y
v = z/y -------------2
Both are traveling in opposite direction so relative speed
Vr = z / x+ z /y
Lets in time t they will meet
z = (z / x+ z /y) t
t= xy/ (x+y)
Lets take distance cover by high speed train is m when it moves A to B and speed cover by regular train is n when it is moving B to A.They meet at time t.
m = u .t
m = z / x .xy/ (x+y)
m = zy/ (x+y) -----------3
n = v .t
n = z / y .xy/ (x+y)
n = zx/ (x+y) -----------4
From equation 3 and 4
So
m - n= zy/ (x+y) - zx/ (x+y)
S= z (y-x)/(x+y)
Option a is correct.
Answer:
x² - 10x + 24
Step-by-step explanation:
(x -4)(x - 6)
To write this in standard form, we need to FOIL the binomials.
FOIL: first – outer – inner – last
F: x • x = x²
O: x • -6 = -6x
I: -4 • x = -4x
L: -4 • -6 = 24
Combine the new terms.
x² - 6x - 4x + 24
Combine like terms.
x² - 10x + 24
This is your polynomial in standard form.
Hope this helps!
If the following shape is 90 degrees it should be consider a right triangle
