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Luda [366]
3 years ago
12

Solve. x + 4 = 10 help please i will give brainliest

Mathematics
2 answers:
kirza4 [7]3 years ago
5 0

Answer: x = 6

Step-by-step explanation:

spayn [35]3 years ago
4 0

Answer: the answer is x=6

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In 1983 the composition of pennies in the United States was changed due, in part, to the rising cost of copper. Pennies minted a
MA_775_DIABLO [31]

Answer:

<u>Solution for (a)</u>

Earlier Copper pennies are 22.

After 1983 pennies are 28.

Step-by-step explanation:

Pennies minted after 1983 weigh 2.50g

Earlier copper pennies weigh 3.11g

A roll of pennies contains 50 pennies.

A particular roll of pennies weighs 138.42g

Let the number of pennies minted after 1983 be x and;

Earlier copper pennies be 50 - x

2.50x + 3.11(50 - x) = 138.42

Opening the brackets gives;

2.5x + 155.5 - 3.11x = 138.42

Solving like terms together gives;

-0.61x = -17.08

Dividing through gives;

x = 28

So there are 28 after 1983 pennies and;

50 - 28 = 22 earlier pennies.


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3 years ago
What is the slope of the line graph below? (0,1)(-3,-1)
bogdanovich [222]

Answer:

The slope is 2/3

Step-by-step explanation:

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   = (1+1)/(0+3)

   = 2/3

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Answer:

The photo has the answers.

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22 is 33 1/3% of what number
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