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Step2247 [10]
3 years ago
9

A metal bar weighs 20 ounces. 93% of the bar is silver.how many ounces of silver are in the bar.

Mathematics
1 answer:
olga55 [171]3 years ago
7 0

Answer:

18.6 ounces

Step-by-step explanation:

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A guy wire runs from the top of a cell tower to a metal stake in the ground. Marques places a 11-foot tall pole to support the g
astra-53 [7]

The Pythagorean theorem computed shows that the length of the guy wire, to the nearest foot, is 207 ft.

<h3>How to solve the length?</h3>

Here, we have two similar right triangles, ΔABE and ΔCDE.

CD = 11 ft

DE = 2 ft

BD = 35 ft

First, find AB:

AB/11 = (35 + 2)/2

AB/11 = 37/2

Cross multiply

AB = (37 × 11)/2

AB = 203.5 ft

Then, apply Pythagorean Theorem to find AE:

AE = √(AB² + BE²)

AE = √(203.5² + 37²)

AE = 207 ft

Therefore, the length of the guy wire is 207 ft.

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brainly.com/question/654982

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Answer: 41

Step-by-step explanation:

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6 0
2 years ago
1.
Anna11 [10]

Answer:

y/x

Step-by-step explanation:

If x is proportional to y, then:

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This can be rearranged to give:

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Answer:

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Step-by-step explanation:

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Total value = 50 × 5 = $250

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Total value = 10 × 7 = $70

Number of notes of $5 = 3

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Total value of all notes with John = 250 + 40 + 70 + 15

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Since, $1.29 = £1

Therefore, $1 = £\frac{1}{1.29}

Therefore, $375 = £ \frac{375}{1.29}

                           = £290.70  

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3 years ago
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