Answer:
Answer = 140
Step-by-step explanation:
360 = 9x + 14x + 4x + 90
360 - 90 = 27x
270 = 27x
x = 270 / 27
x = 10
14 x 10 Angle F
Measure of angle F = 140
Answer:
No
Step-by-step explanation:
[5+3x] is an expression that cannot be added because 5 is a natural interger but 3x is an unknown
and therefore it cannot be divided by 2 to get 4
Better example :
if the question will give 4x , then
it should be [5x+3x]/2 = 8x/2 = 4x
it's obvious from the example I gave that 8x can be divided by 2 to give 4x
Answer:
135
Step-by-step explanation:
75 x - 30 = 45
Inequality
45 x 3 =
135 (Inequality)
Answer:z=1+0i (rectangular coordinate)
z=cos0+sin0 or exp^i0 (polar coordinate)
Step-by-step explanation:
Unity is 1
Let z be a complex number
z =√1
z=1
z = x + iy(rectangular coordinate)
z=rcos(theta)+isin(theta) (polar coordinate)
For rectangular form, since unity is a real value, x=1 and y=0(no complex value)
z=1+0i (rectangular)
For polar, we need to calculate 'r' and theta.
r=√x^2+y^2
r=√1+0
r=1
theta= arctan(y/x) = arctan(0/1) = 0degree.
z=cos0+sin0 or exp^i0
<u>Answer:</u>
57%
<u>Step-by-step explanation:</u>
We are given the results of survey of one thousand families to determine the distribution of families by their size.
We are to find the probability (to the near percent) that a given family has 3, 4 or 5 people.
Frequency of families with 3, 4 or 5 people = 200 + 245 + 125 = 570
Total frequency = 1000
P (families with 3, 4 or 5 people) = (570 / 1000) × 100 = 57%