Answer:
Z=8 is the answer
Step-by-step explanation:
first, you add 8 to both sides which leaves you with 5z=40. then after that you divide both sides by 5 which leaves you with 5/5z = 40/5. then buy dividing 5 by 5 its leaves you with 1 which is equal to z because blank variables equal 1. On the other side if the equation 40 by 5 is 8 so that leaves you with z=8
Answer:
1.A matrix is a rectangular array of numbers, symbols, or expressions, arranged in rows and columns.
2.
Solution given:
We have
Sin²
-Cos ²=1
Sin²=1+Cos²
Sin=
3.
4Tan²+4Cot²-3Tan²-3Cot²
4Tan²-3Tan²+4Cot²-3Cot²
Tan²-Cot²
The answer is 44 and if he deposits it is 33 dollars:
11x4
1x4=4
1x4=4
So 11x4=44
And if he deposits 11 he will have 33
Answer:
B
Step-by-step explanation:
add all of last year's and then divide by 3 witch is 3.1
add all of this year's and then divide by 3 witch is 4.1
now subtract witch will give you 1.0
Answer:
2.4 days
Step-by-step explanation:
they could complete the job in :
(6×4)/(6+4) = 24/10 = 2.4 days
