Since it is two negatives you are actually adding so -3 +4 would equal 1
Answer:
a) 7z³+2z²-2z+1
b)2x²+3x-8
Step-by-step explanation:
a) (7z³+4z-1)+(2z²-6z+2)
7z³+2z²-2z+1
b) (5x²-2x-1)-(3x²-5x+7)
5x²-2x-1-3x²+5x-7
2x²+3x-8
They both are complementary angles i.e their sum must equals 90°
4x+ 31 + 6x + 39 = 90
10x + 70 = 90
10x = 90-70
10x = 20
x = 2
we have to find angle ADC
just put the value of x in that expression for that angle.
angle ADC = 6x + 39 = 6 (2)+39 = 12 + 39 = 51°
Answer: where are the options??
Step-by-step explanation:
Answer:
With probability you can multiply your chances in this case.
Getting an odd number: 1/2
Getting a number greater than 4: 1/6
Therefore it is a 1/12 chance to be both odd and greater than 4
