Answer:
10v² - 27v - 17vx - 20x²
Step-by-step explanation:
Given
(5v + 4x)(2v - 5x - 3)
Each term in the second parenthesis is multiplied by each term in the first parenthesis, that is
5v(2v - 5x - 3) + 4x(2v - 5x - 3) ← distribute both parenthesis
= 10v² - 25vx - 15v + 8vx - 20x² - 12x ← collect like terms
= 10v² - 15v - 17vx - 12x - 20x²
Answer:
The measure of the vertex angle is 36 degrees.
Step-by-step explanation:
In order to find this, we set the vertex angle as x and the base angles as 2x. Now we can add all three angles together and set equal to 180.
x + 2x + 2x = 180
5x = 180
x = 36
Answer:
#1-
The periodic table, also known as the periodic table of elements, is a tabular display of the chemical elements, which are arranged by atomic number, electron configuration, and recurring chemical properties. The structure of the table shows periodic trends. The seven rows of the table, called periods, generally have metals on the left and nonmetals on the right. The columns, called groups, contain elements with similar chemical behaviours. Six groups have accepted names as well as assigned numbers: for example, group 17 elements are the halogens; and group 18 are the noble gases. Also displayed are four simple rectangular areas or blocks associated with the filling of different atomic orbitals. #2-118
Step-by-step explanation:
Solve for y.
Subtract 4x from both sides.
4x + y = 14
y = -4x + 14
Answer:
60 is the larger number
Step-by-step explanation:
Let the two numbers be a and y
x+y = 90
x-y = 30
Add the two equations together
x+y = 90
x-y = 30
-----------------
2x = 120
Divide by 2
2x/2 =120/2
x = 60
x+y =90
60+y = 90
y = 90-60
y = 30
The numbers are 60 and 30
