Answer:
width = 7 and length = 9
Step-by-step explanation:
Let's assume width = w, and length = 2 + w
So area of a rectangle = width * length
63 ft² = w (2 + w)
63 = 2w + w²
w² + 2w - 63 = 0
Use the quadratic formula to solve this
here, a = 1, b = 2 and c = -63
w = 7 or -9
The dimensions of a rectangle cannot be negative. So we take the dimension, w = 7.
Width = 7 and Length = 7+2 = 9
Brainliest pls?:)
Answer:
D. 1/2
Step-by-step explanation:
The ratio is basically a fraction with numerator being the first stated term and the denominator being the term stated later.
60 Boxer students drank soup and 120 ate pizza.
60/120 simplifies into 1/2.
FOIL method
First:
u squared times u squared equals to u to the fourth.
Outer and Inner:
8u squared + u squared equal 9u squared. Remember, the exponents don't change when adding!
Last:
8 times 1 equals 8
Answer:
24 cm
Step-by-step explanation:
the perimeter is the circumference, the way to go one time fully around the object.
now think, what distances do you have to go when walking around a rectangle ?
well, there are 2 times the length and 2 times the width or breadth. that's it.
P = 2×7 + 2×5 = 14 + 10 = 24 cm
Answer:
After 5 minutes, the BAC was increasing at the rate of 0.0137 mg/mL a minute.
Step-by-step explanation:
The average blood alcohol concentration (bac) is modeled by the following function.
In which t is measured in minuted.
How rapidly was the BAC increasing after 5 minutes?
This is c'(t) when t = 5.
Using the derivative of the product.
Derivative of the product:
In which problem:
So
After 5 minutes, the BAC was increasing at the rate of 0.0137 mg/mL a minute.