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Anna007 [38]
2 years ago
7

A jar contains only​ pennies, nickels,​ dimes, and quarters. There are 21 ​pennies, 26 ​dimes, and 15 quarters. The rest of the

coins are nickels. There are 76 coins in all. How many of the coins are not​ nickels? If n represents the number of nickels in the​ jar, what equation could you use to find​ n?
Mathematics
2 answers:
pshichka [43]2 years ago
8 0

Answer:

14

Step-by-step explanation:

21+26+15=62 72-62=14 :)

nekit [7.7K]2 years ago
7 0

Answer: The Answer is 62 coins

Step-by-step explanation:

If there are 76 coins in the jar in total,All you do is add all of the number of each coin there is except nickels and add it together. Then you take that amount away from the total number of coins to find out how many nickels are inside the jar.

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An angle measures 64.8° less than the measure of its complementary angle. What is the measure of each angle?
kirill115 [55]

Answer:

<u>77.4 degrees and 12.6 degrees</u>

Step-by-step explanation:

Let the angles be x and x - 64.8.

Therefore, on the basis of knowledge that complementary angles add up to 90 degrees :

x + x - 64.8 = 90

2x = 154.8

x =  <u>77.4 degrees</u>

x - 64.8 = 77.4 - 64.8 = <u>12.6 degrees</u>

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Which set of ordered pairs represents a function?
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Answer:

{(-1,0),(-8, 9), (7,0), (1,3)}

Step-by-step explanation:

number 3 is the only one with no colliding outputs.

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Find the sum of the first 12 terms of the sequence 512, 256, 128, … This is infinite series notation, the answer is NOT 896...
postnew [5]

Answer:

1023.75

Step-by-step explanation:

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