Answer:
They are vertical angles
x = 5
The mesure of the angles are 35, 35, 145, and 145
Step-by-step explanation:
vertical angles are derectly acrost from each other.
the equations 3x+20 and 10x-15, put into the equation 3x+20=10x-15 will solve for x.
20 = 10x − 15 − 3x
20 = 7x - 15
20 + 15 = 7x
35 = 7x
35/7 = x
5 = x
x = 5
The equations solved are 3 x 5 + 20 = 35 and 10 x 5 - 15 = 35
The sum of all the angles is 360, therefore 35 + 35 = 70
360 - 70 = 290
290/2 = 145
The last two angles are 145 degrees
Answer:
Step-by-step explanation:
Độ dài vecto a= căn bậc hai của (-3)*(-3)+4*4=5
Step-by-step explanation:
1/10 is equivalent to saying 10/100.
Adding these together would look like:
10/100 + 6/100 = 16/100 (cannot be simplified)
a/b = 16/100
Answer:
he has to make a sale of $750
Step-by-step explanation:
first job pays $880 per week
second job pays $790 per week
amount first job is paying more=$(880-790)
=$90
therefore,12% should $90 if he wants to make an equal amount as the first job is paying therefore,sale he has to do
12% of x=$90
12/100*x=$90
x=90*100/12
x=9000/12
x=$750
thus he has to make a sale of $750 to earn a 12% comission of $90
