Answer:
Hello,
If 7/10 boys represent 28 boys so, 3/10 girls ? how many girls ?
cross product
7/10 > 28
3/10 > ?
3/10*28/(7/10)=12
There are 12 girls
Step-by-step explanation:
Answer:
x = 4 or x = -4
Step-by-step explanation:
Answer: see attachments
<u>Step-by-step explanation:</u>
Use Pythagorean Theorem to find the missing side (x² + y² = h²)
Use the following formulas to find the trig functions:

Answer: 

Step-by-step explanation: