Answer:
30° each
Step-by-step explanation:
Complementary angles are those that add up to 90° so if they are all equal then it's
90/3=30°
Answer:
385 miles
Step-by-step explanation:
(-7,-5)
Step-by-step explanation:
3x-8y = 19
minus
3x + 5y = -46
0x - 13y = 65
- 13y = 65
÷-13
y = - 5
Substitute y = - 5 into one of the functions:
3x-8y = 19
-8 x - 5 = 40
3x + 40 =19
-40
3x. = - 21
÷3
x= - 7
Solution is (-7,-5)
Hope this helps!
Answer:
41
Step-by-step explanation:
b^2 -2ac
Let a=4 b=3 c=-4
( 3)^2 -2 (4) (-4)
Exponents first
9 - 2 (4) (-4)
Multiply
9 + 32
41