Answer:
4×(-5)=-20
Step-by-step explanation:
X + 3 • ( 10 + y ) - 7x - 4
x + 30 + 3y - 7x - y
x - 7x + 3y - y + 30
-6x + 2y + 30
Answer: 100
Step-by-step explanation:
100*100= 10000
The square root of 10000 is 100.
* Hopefully this helps!
Answer:
4731
Step-by-step explanation:
4,389+342=4,731
The answer is for 1st question is “10.4” and for the second question “non of these choices are correct”.
Explanation:
For the 1st question:
tan = opposite / adjacent
tan 30 = x / 18
18 tan 30 = x
x = 10.4
For the 2nd question,
If a triangle as an angle of 90 degree, it is 100% a right triangle.
Hope it helps :), mark me brainliest please!