2 years ago

Four friends all five each other presents

1 answer:

5 0

Step-by-step explanation:

Four friends all give each other presents. The total cost of the presents is £80.52. We need to find the mean cost of a present in pounds. So, the mean cost of a present is equal to 20.13 .

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A parobola has the equation y=x²+2x-3

mojhsa [17]

Answer:

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x = -1 is the equation of symmetry;

Step-by-step explanation:

See attached image.

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at a local green market, Debra bought 5 ounces of chinese long beans for $13.55. at that rate , how much would she pay for 8 oun

kumpel [21]

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alukav5142 [94]

Answer:

1,2,4,5,6

Step-by-step explanation:

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podryga [215]

I think its B 17 but im not 100% sure

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2 years ago

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What is an expression for the area of the shaded region? Simplify your answer.

Reptile [31]

Answer:

if it is put into a equation this would be it

2(x^2+6x+9) - (1.57)(x^2+6x+9)

Step-by-step explanation:

(x+3)(2x+6) - 1/2(3.14)(x+3)(x+3)

(2x^2+6x+6x+18) - 1/2(3.14)(x^2+3x+3x+9)

(2x^2+12x+18) - 1/2(3.14)(x^2+6x+9)

2(x^2+6x+9) - (1.57)(x^2+6x+9)

2(x^2+6x+9) is the rectangle at the bottom

(1.57)(x^2+6x+9) is the semicircle that is taking out of the shaded area

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3 years ago