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Lyrx [107]
2 years ago
14

Answer tis please thanks

Mathematics
2 answers:
harkovskaia [24]2 years ago
8 0

Answer:

12

Step-by-step explanation:

Darya [45]2 years ago
4 0
Mascot g because he had the most votes?
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A metallurgist has one alloy containing 34% copper another containing 48% copper. How many pounds of each alloy must he use to m
Zielflug [23.3K]

Answer:

<h2>36.14 pounds of 34% copper alloy and 9.86 pounds of 48% copper alloy</h2>

Step-by-step explanation:

        First alloy contains 34% copper and the second alloy contains 48% alloy.

We wish to make 46 pounds of a third alloy containing 37% copper.

       Let the weight of first alloy used be x in pounds and the weight of second alloy used be y in pounds.

       Total weight = 46\text{ }pounds=x+y        -(i)

      Total weight of copper = 37\%\text{ of 46 pounds = }34\%\text{ of }x\text{ pounds + }48\%\text{ of }y\text{ pounds }

       \dfrac{37\times 46}{100}=\dfrac{34x}{100}+\dfrac{48y}{100}\\\\ 34x+48y=1702        -(ii)

       Subtracting 34 times first equation from second equation,

34x+48y-34x-34y=1702-34\times46\\14y=138\\y=9.857\text{ }pounds \\x=36.143\text{ }pounds

∴ 36.14 pounds of first alloy and 9.86 pounds of second alloy were used.

5 0
3 years ago
Please answer this for me
Nezavi [6.7K]

\sqrt{3Answer:

Step-by-step explanation:

take 45 degree as reference angle

using sin rule

sin 45=opposite/hypotenuse

1/\sqrt{2=x/26

x=26/\sqrt{2

x=13\sqrt{2

x=18.4

4 0
2 years ago
What is the rate of change of the function? <br> -3<br> -1/3 <br> 1/3<br> 3
sweet-ann [11.9K]

Answer: the rate change is 1/3

Step-by-step explanation: because its going up 1/3 not down.


3 0
3 years ago
Read 2 more answers
Please help!!!!!!!!
Arisa [49]

It should be C., is that what the graph looks like?

6 0
3 years ago
42x + 12 * 18 = 468<br><br> What does x equal
3241004551 [841]
X equals 6

How? Well first I multiplied 12 x 18 which is 216.

Then I subtracted 468 - 216 that equals 252.

Because I know that 2 x 6 equals a 12.....x had to be a 6.

So I multiplied 42 x 6 and it equaled 252.

So x is 6

3 0
3 years ago
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