Was this question on iready or khan academy became
Answer:
You should probably be more specific as different schools have different curriculum's!
Step-by-step explanation:
Hello!
When you use sum you add
-2.1x + 3.7 + 5 + 4.9x
Now you add the variables and the constants
-2.1x + 4.9x = 2.8x
3.7 + 5 = 8.7
Combine the two
2.8x + 8.7
The answer is 2.8x + 8.7
Hope this helps!
Answer:
matt sold 310.86
Step-by-step explanation:
first add bob's worth and cathy's worth, 189.21 +232.46=421.67. then subtract the answer by the total amount they all had, 732.53 - 421.67 = 310.86
Answer:
Step-by-step explanation:
Opposite (or in The US, vertical) angles are congruent.
Adjacent ( on the same line) angles are supplementary (that is their sum = 180 degrees).