Mathematics, 30.01.2020 21:52 yvngtazz

There is a specialty store that you like to go to when you are craving jelly beans. the price is reasonable at $1.30 per pound. the store is a bit of a distance away and you could purchase the same jelly beans at your neighborhood supermarket, but the cost is a little more at $2.10 per pound. you spend about $3 on gas every time you go to the specialty store. how do you know if you are getting enough of the jelly beans to make the trip worthwhile?

what two equations would you use to determine your break-even point?
(let c stand for the total cost and x represent the amount of jelly beans.)

There is a specialty store that you like to go to when you are craving jelly beans. the price is rea

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Answer from: mirandapaige246

The answer is A. in the special store you spend $3 on gas + 1.30 the price of the beans times the pounds you want

Answer from: adaakbulut9

The answer would be A, assuming you don't need gas to go to the neighborhood store.

since every time you go to the faraway store, you spend the same amout no matter what, you know its just 3. not 3x. and since the cost depends on how many pounds of jelly beans you get, that would be 1.30x. so in total, the first equation would be C=1.3x+3

now the next one has just the cost of jelly beans per pound, 2.10 per pound. so thats 2.1x, so C=2.1x

both the equations are shown in A

Answer from: Quest

3. parallelogram

step-by-step explanation:

we turn each of our sides into direction vectors

ab=b-a=(3 - 7, 1 - 0) = (-4, 1)

bc=c-b=(1,6)

cd=d-c=(4,-1)

da=a-d=(-1,-6)

we see how the opposite sides have negated direction vectors; this is characteristic of a parallelogram. we have congruent sides ab=cd and bc=da with unequal lengths because 1^2+6^2 is different from (-4)^2+1^2. so it's not a square or a rhombus.

we check the dot product of direction vectors of adjacent sides. we have

ab dot bc = -4(1) + 1(6) = 2

that's not zero so the sides are not perpendicular. we've ruled out rectangle.

the direction vectors indicate two pairs of congruent parallel sides, so we choose parallelogram over trapezoid.

Answer from: Quest

b. an equilateral triangle inscribed in a circle

step-by-step explanation:

we are given the figure of two circles having a triangle inside.

now, we know that,

"when a figure is lying inside an another figure, then the outside figure is known as circumscribed figure and the figure lying inside is referred to as the inscribed figure".

as we see that, the circles are containing the triangle completely.

thus, the circles are the circumscribed figures and the triangle is the inscribed figure.

hence, we get, 'an equilateral triangle is inscribed in a circle'.

Which construction does the image below demonstrate? 1. an equilateral triangle circumscribed abou

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