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dolphi86 [110]
3 years ago
10

A jeweler has 5 rings, each weighing 18 g, made of an alloy of 15% silver and 85% gold. She decides to melt down the rings and a

dd enough silver to reduce the gold content to 75%. How much silver should she add?
Mathematics
1 answer:
GaryK [48]3 years ago
7 0
Subtract number of %<span />
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Nezavi [6.7K]

Answer:

13.5

Step-by-step explanation:

\sin 64\degree = \frac{AC}{AB}\\\\AC = AB \sin 64\degree \\\\AC = 13.481910694\\\\AC \approx 13.5

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3 years ago
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Which number is not the same type of number as the others in the list? 5.85, 63.4, 8.52624, 27.5
Darya [45]

8.52624 is not the same as 5.85, 63.4 , and 27.5.

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Find the slope of the line through the points (3,7) and (5,19)
Sedbober [7]

Answer:

<u>1</u><u>2</u>

2

Step-by-step explanation:

(3,7)(5,19)

(x,y)(x,y)

<u>y2</u><u>(</u><u>1</u><u>9</u><u>)</u><u>-</u><u> </u><u>y1</u><u>(</u><u>7</u><u>)</u>

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formula. <u>y2-y1</u>

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3 years ago
PLS HELP MEEEEEE! THIS IS DUE TODAY!
Mila [183]

Answer:

He has saved %7 of what he needs for the bike

Step-by-step explanation:

21: 300 x 100 =

(21 x 100): 300 =

2100: 300 = 7

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Please explain how to get answer in sq units of parallelogram ABCD
Lostsunrise [7]
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Assuming you are asking how to find the area of parallelogram ABCD:

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