Answer:
I do to
Step-by-step explanation:
Combine like terms: (Pay attention to the integer sign before each term)
-7n+-2n=-9n
6+-8=-2
-9n-2
0.37 is the right answer
hope it helped
Answer:a= -21
Step-by-step explanation:
Answer:
√7 ≈ 2.646
Step-by-step explanation:
The triangle apparently has two sides of length 4 and a third side of length 6. The altitude of the triangle will divide the long side in half, making that half one leg of the right triangle with hypotenuse 4.
The altitude of interest is then the length of the other leg:
√(4² -3²) = √7 ≈ 2.646