Answer:
2x^2+9x-5
Step-by-step explanation:
Answer:
Step-by-step explanation:
It depends on whether the 30 cm side is the hypotenuse, or one of the legs.
If the 30 cm side is the hypotenuse, then the third side is √(30^2-10^2) = √800 = 20√2 cm
If the 30 cm side is one of the legs, then the hypotenuse is √(30^2+10^2) = √1,000 = 10√10 cm
Answer:
Step-by-step explanation:
let the number of bracelet be b
Let the number of necklace be n
If Ashley charges $6 for a bracelet , the total amount charged for b bracelets will be 6b
If she charge $12 for a necklace, the total amount for n necklace will be 12n
If she earned $168 in total, then:
6b + 12n = 168
Divide through by 6
b + 2n = 28
Hence the equation for this situation is b + 2n = 28
Next is to solve for b:
Make b the subject of the formula:
b + 2n = 28
subtract 2n from both sides
b + 2n - 2n = 28 - 2n
b = 28 -2n
Hence the function for b will be b = 28-2n
