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Karolina [17]
3 years ago
8

Plssss help math is fun!!!!

Mathematics
2 answers:
Step2247 [10]3 years ago
8 0

Answer:

the answer is as stated above

victus00 [196]3 years ago
5 0

Answer:

it should be 7 fasho

Step-by-step explanation:

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the sales tax for the food Jordan bought is 0.87 she has a coupon for 1.75 off any purchase use your answer for exercise 16 to f
krok68 [10]
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3 0
3 years ago
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A hunter is at a point on a riverbank. He wants to get to his cabin located 2 Miles North and 8 Miles West. He can travel 5 Mph
miskamm [114]

Answer:

Option A

Step-by-step explanation:

A hunter travels to his cabinet located at 2 Miles North and 8 Miles West.

Let "d" be the distance traveled before reaching the rocky ground at point say "P". Let the cabin be at "C"

The distance between C and P is given by

\sqrt{(2^2+(8-d)^2}\\

Let "t" be the time taken to travel distance CP.

T = \frac{d}{5} + \frac{\sqrt{2^2+(8-d)^2} }{3}

Minimum time will be when "t" is equal to zero

Differentiating the above equation wrt "d", we get -

= \frac{1}{5} + \frac{1}{3} (\frac{-2(8-d)}{2\sqrt{2^2+(8-d)^2} } )= 0\\\frac{1}{5} = \frac{1}{3} \frac{(8-d)}{\sqrt{4+(8-d)^2} } \\3\sqrt{4+64+d^2-16d} = 40-5d\\

On squaring both the sides , we get -

3\sqrt{4+64+d^2-16d} = 40-5d\\9(68+d^2-16d)= 1600+25d^2 -400d\\612+9d^2-144d=1600+25d^2 -400d\\16d^2-256d+988=0\\d_1 = 9.5\\d_2 = 6.5

"d" cannot be greater than 8 miles.

Hence, the value of "d" is equal to 6.5

Option A

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3 years ago
The recipe for a holiday punch calls for 7 cups of fruit drink and 3 cups of ginger ale.
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Answer:

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Step-by-step explanation:

5 0
2 years ago
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weeeeeb [17]

Answer:

81

Step-by-step explanation:

Take half of the x-term coefficient, and square it.

Half of 18 is 9.

9² = 81

Answer: 81

5 0
3 years ago
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