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horrorfan [7]
3 years ago
10

A jeweler has five rings, each weighing 18g, made of 20% silver and 80% gold. He decides to melt down the rings and add enough s

ilver to reduce the gold content to 60%. How much silver should he add?
Mathematics
1 answer:
Stella [2.4K]3 years ago
3 0

Answer:20% more silver

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How can find the estimate of the sum of the two fractions​
vodka [1.7K]

Answer:

To make a high estimate for the sum of two fractions, find the commnon denominator and add them.

Step-by-step explanation:

To make a high estimate for the sum of two fractions in a word problem, rhe following steps are required.

Let the two fractions be represented as and

To perfrom the operation +

Step 1 : Check if the denominators of the fraction are same. If so then, then add the numerators directly by keeping the same denominator.

Step 2: If the denominators are different, then find the common denominator between the fractions and multiply them accordingly. Then perform the addition operation.

6 0
3 years ago
(20 x 40) x 14 = ?
fredd [130]

To solve this problem, we must use the order of operations outlined by PEMDAS, which tells us that we should simplify or compute parentheses first, then exponents, multiplication, division, addition, and finally subtraction.

Using this method, we have to perform the multiplication inside the parentheses first.

(20 * 40) * 14

800 * 14

Finally, we must perform the final operation to simplify this expression, which is multiplication.

800 * 14 = 11200

Therefore, your final answer is 11200.

Hope this helps!

3 0
3 years ago
Read 2 more answers
It takes Mr. Martin 12 minutes to drive his bus route without stopping to pick up any passengers. For each passenger stop, he es
PtichkaEL [24]
14 = 0.5p + 12 <== ur equation
8 0
3 years ago
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Rewrite the following linear equation in slope intercept form.<br> Y-5=3(x+1)
jarptica [38.1K]

Y=3x+8

Step-by-step explanation:

The slope is 3

Slope Intercept form is Y=Mx=b

5 0
3 years ago
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Tanx cosx = 0
shtirl [24]
You're almost finished.

(sin/cos) times cos = 0

Look at the left side.  You could write it as (sin x cos) / cos = 0
and simply divide numerator and denominator by the cosine (cancel it).

Then what do you have left ? . . .  <u>sin(x) = 0</u>       Do I need to finish this for you ?
5 0
3 years ago
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