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andrew-mc [135]
3 years ago
8

Triangle ABC is a right triangle with lengths shown.

Mathematics
1 answer:
VARVARA [1.3K]3 years ago
4 0
<h3>Answer:</h3>

0.225

<h3>Step-by-step explanation:</h3>

The mnemonic SOH CAH TOA reminds you of the definition of the tangent of an angle.

... Tan = Opposite/Adjacent

The side opposite angle C is AB. The side adjacent to angle C is BC. Then ...

... tan(C) = AB/BC = 18/80 = 0.225

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Step-by-step explanation:

For each point just divide the miles by the hour

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Lizzie has 30 coins that total $4.80. All of her coins are dimes, D, and quarters, Q. Algebraically determine how many of each t
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<em><u>Solution:</u></em>

Let "d" be the number of dimes

Let "q" be the number of quarters

We know that,

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value of 1 quarter = $ 0.25

Given that LIzzie has 30 coins

number of dimes + number of quarters = 30

d + q = 30 ---- eqn 1

Also given that the coins total $ 4.80

number of dimes x  value of 1 dime + number of quarters x  value of 1 quarter = 4.80

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Let us solve eqn 1 and eqn 2

From eqn 1,

d = 30 - q ---- eqn 3

Substitute eqn 3 in eqn 2

0.1(30 - q) + 0.25q = 4.8

3 - 0.1q + 0.25q = 4.8

0.15q = 1.8

<h3>q = 12</h3>

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d = 30 - 12

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3 years ago
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Answer:

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Step-by-step explanation:

Divide each number by 5.

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