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Alecsey [184]
3 years ago
5

(8.5H)Which situation represents 1 point

Mathematics
1 answer:
natali 33 [55]3 years ago
4 0
<h3>The cost of purchasing baby chicks at  $4.50 per chick represents proportional relationship</h3>

<em><u>Solution:</u></em>

in a proportional relationship, one variable is always a constant value times the other.

y = kx

Where, k is a constant

<em><u>Option 1</u></em>

The cost of purchasing hay for $26 a  bale with a delivery charge of $30

Cost = $ 26 a bale + 30

This does not forms a proportional relationship

<em><u>Option 2</u></em>

The cost of purchasing baby chicks at  $4.50 per chick

Let "x" be the number of chicks

Therefore,

cost = 4.50 \times x

Thus, this forms a proportional relationship

<em><u>Option 3</u></em>

The cost of purchasing fencing at $29  a linear foot with an installation fee of  $300

cost = $ 29 a linear foot + 300

This does not forms a proportional relationship

<em><u>Option 4</u></em>

The cost of renting a backhoe for $79  per hour with a non-refundable deposit  of $300

cost = $ 79 per hour + 300

This does not forms a proportional relationship

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wkldd

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see below

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(x) = 7 - 2x

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3 0
3 years ago
Read 2 more answers
A cylinder and cone have the same height and radius. The height of each is 5 cm, and the radius is 2 cm. Calculate the volume of
never [62]

Answer:

The volume of a cylinder is 62.8 cm and the volume of a cone is 20.9 cm³ .

Step-by-step explanation:

Formula

Volume\ of\ a\ cylinder = \pi r^{2} h

Volume\ of\ a\ cone = \pi r^{2} \frac{h}{3}

Where r is the radius and h is the height .

As given

A cylinder and cone have the same height and radius. The height of each is 5 cm, and the radius is 2 cm.

\pi = 3.14

Thus

Volume\ of\ a\ cylinder =3.14\times 5\times 2\times 2

                                             = 62.8 cm³

Thus the volume of a cylinder is 62.8 cm³ .

Volume\ of\ a\ cone = 3.14\times 2\times 2\times frac{5}{3}

Volume\ of\ a\ cone =\frac{5\times 3.14\times 2\times 2}{3}

Volume\ of\ a\ cone =\frac{62.8}{3}

                                        = 20.9 (Approx) cm³

Thus the volume of a cone is 20.9 cm³ .

Therefore the volume of a cylinder is 62.8 cm and the volume of a cone is 20.9 cm³ .

8 0
3 years ago
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