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Virty [35]
2 years ago
8

Marshall has $8.25 totally in his collection, consisting of quarters and nickels. The number of nickels is three more than the n

umber of quarters. How many nickels and how
many quarters does Ross have?

Mathematics
1 answer:
vagabundo [1.1K]2 years ago
7 0

Answer:

where did Ross come from? is that just misplaced or what. or am I reading it all wrong

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<u>Step-by-step explanation:</u>

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I created a perpendicular from the resultant vector to the vertex of the given vectors so I could use Pythagorean Theorem to find the length of the perpendicular. Then I used that value to find the angle of the plane.

<u>Perpendicular (x):</u>

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→ x = 160 cos 35°

<u>Angle (θ):</u>

sin θ = opposite/hypotenuse

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sin θ = 160 cos 35°/320

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Step-by-step explanation:

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2 years ago
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Talia used 1/3 of a piece of wood for the base of her project 1/4 of the piece of wood for the vertical support and the rest for
Veseljchak [2.6K]

Answer:

The fraction of wood used for horizontal support is \frac{5}{12}.

Step-by-step explanation:

Assume that the total piece of wood is of length 1.

It is provided that Talia used \frac{1}{3} of the piece of wood for the base of he project.

She use \frac{1}{4} of the piece of wood for the for the vertical support.

The remaining wood she used for horizontal support.

The amount of wood used for horizontal support can be computed by the subtracting the amount of wood used for base of the project and vertical support form 1.

Compute the amount of wood used for horizontal support as follows:

Horizontal\ support=1-Base\ of\ project-Vertical\ support\\= 1 - \frac{1}{3}-\frac{1}{4}\\  =\frac{12-4-3}{12} \\=\frac{5}{12}

Thus, the fraction of wood used for horizontal support is \frac{5}{12}.

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