Answer:
17
Step-by-step explanation:
Using the law of cosines in ΔABC
b² = a² + c² - (2ac cosB) ← substitute in values
= 25² + 28² - (2 × 25 × 28 × cos36.9°)
= 625 + 784 - 1400 cos36.9°
= 1409 - 1400 cos36.9° ( Take the square root of both sides )
b =
≈ 17 ( nearest whole number )
Answer:
The first picture without the diagram is true, and the other one is false.
Step-by-step explanation:
A relation can be a function if the domain has exactly one range. IT CANT HAVE TWO Y-VALUES.
Answer: 4/45
Step-by-step explanation:
Answer:
Ratio of girls to students = 4 : 7
Step-by-step explanation:
Number of boys= 12
Number of girls= 16
Total number of students= 12+16= 28
Number of girls to number of students=
= 
Ratio of girls to students = 4:7
<em>Hope this helps.</em>
Answer:
-4x - 8
Step-by-step explanation:
Step 1: Write out expression
-2(2x + 4)
Step 2: Distribute -2
-4x - 8