Answer:
hmm...
Step-by-step explanation:
Answer:
The answer is B
Step-by-step explanation:
Answer:
可能就是...那里的人希望如果您需要更多帮助，现在可以帮助我
Kěnéng jiùshì... Nàlǐ de rén xīwàng rúguǒ nín xūyào gèng duō bāngzhù, xiànzài kěyǐ bāngzhù wǒ
Step-by-step explanation:
Answer:
L=21.6in and w=13.6
Step-by-step explanation:
If the length is 8 inches longer than its width, we can write the width as "w" and the length as the width w+ 8
Area is (width)(Length) = (width)(width+8)
W
----------
| |
| |
| | L = w+8
| |
| |
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A = (w+8)(w)
A = w2 + 8w = 295.
(Problem states that area is 295 sq in)
Need to solve this quadratic equation
w2 +8y - 295 = 0
Factor:
(w - 13.64) (w + 21.64) = 0
So
w - 13.64 = 0. or. w + 21.64= 0
Solve these and get
w = 13.64. or. w = -21.64
Only one that makes sense in real life is the poitive one.
So the dimensions are
Width = 13.64 inches
Length = 21.64 inches
Answer:
approx 15.5 hours
Step-by-step explanation:
475/30 = 15.83 miles per hour
245 = 15.83·t
t = 245/15.83
t = 15.5 hours
