Answer:
The answer is -21
Step-by-step explanation:
To find the answer just multiply 7 by 3 and that's 21, so just add a negative sign to 21 and you get -21. I hope this helps :) please give me brainliest :)
Answer:
The answer is B.
Step-by-step explanation:
You can expand it in a simplier way using :
So for this question :
Answer:
77°
Step-by-step explanation:
Complementary angles formula
90°- x°. (X is the given angle)
So,
90°-13°
= 77°
Hi there!
The answer is Maternal Cousin.
Hope this helps ;)
Answer: First side is 40.5 meters. Second side is 121.5 meters. The third side is 159.
Step-by-step explanation:
x + 3x + 4x -3 = 321
8x - 3 =321
+3 +3
8x = 324
x = 40.5
Second Side: 3(40.5) = 121.5
Third side: 4(40.5) - 3 = 159
Check: 159 + 121.5 + 40.5 = 321
