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Alchen [17]
2 years ago
7

Is ) 32 + 16y and 8(4 + 2y) Equivalent? if so how is it

Mathematics
2 answers:
Mashcka [7]2 years ago
6 0
Both equations are equivalent.
steposvetlana [31]2 years ago
3 0

Answer: Yes it is

Step-by-step explanation:

You can expand 8(4+2y). 8 times 4 is equal to 32, and 8 times 2y is equal to 16y. So it is the same as 32+16y.

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Pls help me, im adding integers 40 points!!!!!!!!!
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Answer:

1. 6

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Step-by-step explanation:

3 0
3 years ago
The expression 9x2 - 5x - 7 has ___ terms and a constant of ___.
lukranit [14]
Here r ur terms : (9x^2) , (-5x) , (-7)......so there r 3 terms
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4 0
3 years ago
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A sinusoid with amplitude 7 has a maximum value of 23. <br><br> What is its minimum value?
saveliy_v [14]

Answer:

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Step-by-step explanation:

4 0
3 years ago
A solid is 5 cm tall ,3 cm wide and 2cm thick what is it's density
Lostsunrise [7]
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3 0
3 years ago
A metallurgist has one alloy containing 32% copper and another containing 65% copper. How many pounds of each alloy must he use
kompoz [17]

Answer:

<h2>30.67 pounds of 32% copper alloy and 10.33 pounds of 65% copper alloy</h2>

Step-by-step explanation:

        First alloy contains 32% copper and the second alloy contains 65% alloy.

We wish to make 44 pounds of a third alloy containing 42% 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 = 44\text{ }pounds=x+y        -(i)

      Total weight of copper = 42\%\text{ of 44 pounds = }32\%\text{ of }x\text{ pounds + }65\%\text{ of }y\text{ pounds }

       \dfrac{42\times 44}{100}=\dfrac{32x}{100}+\dfrac{65y}{100}\\\\ 32x+65y=1848        -(ii)

       Subtracting 32 times first equation from second equation,

32x+65y-32x-32y=1848-32\times44\\33y=440\\y=13.333\text{ }pounds \\x=30.667\text{ }pounds

∴ 30.67 pounds of first alloy and 13.33 pounds of second alloy were used.

4 0
3 years ago
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