Answer:
I will be using differentiation method
Step-by-step explanation:
x^2+5x =-8
2×x ×x^2-1 +5x = -8
2x +5x = -8
7x = -8
divide both sides by the co-efficient of x
7x÷7=-8÷7
x =-1.5
To get the total price multiply the cost of the book by 1 + sales tax rate:
7% as a decimal = 0.07
13.50 x 1.07 = $14.45
Answer:
Step-by-step explanation:
- Formula for mixed number to improper fraction: (Whole number × denominator) + numerator
- 4 × 17 = 68, 68 + 16 = 84
- Re-write the fraction:
I hope this helps!
Answer:10.25-r= hourly rate
Step-by-step explanation:
Answer:
7/12
Step-by-step explanation:
Find the common denominator 24 so fraction would change to 6/24 + 8/24
that equals 14/24 and simplified that 7/12
