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irina1246 [14]
3 years ago
10

What is the sin inverse of (sine 9pi/7)?

Mathematics
1 answer:
Blababa [14]3 years ago
3 0
A calculator can help you with that.

In radians, arcsin(sin(9π) / 7) = 0.
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Three packages of pens and one box of paper cost $26. Two packages of pens and 7 boxes of paper cost $49. How much does one box
algol13

Answer:

5 dollars

Step-by-step explanation:

Let's call the price of a package of pens n, and the cost of a box of paper r.

3n+r=26

2n+7r=49

Multiply the first equation by 7:

21n+7r=182

Subtract the second equation from the first:

19n=133

Divide both sides by 19 to isolate n:

n=7

Plug this back in to find the value of a box of paper:

3(7)+r=26

21+r=26

r=5

Hope this helps!

5 0
3 years ago
Please show step by step
Leya [2.2K]
A1^(r)^(n-1)

a6= 1000^(-2)^5
1000^-16
1/1000^16

a6= 0

Answer= 0
4 0
2 years ago
Donald has a bunch of nickels and dimes in his piggy bank. There are 100 coins in the bank that make a total of $6.60 in change.
brilliants [131]

Answer:

78 nickels and 22 dimes

Step-by-step explanation:

Nickels = n, Dimes = d

<u>Number of coins = 100</u>

  • n + d = 100

<u>Total sum in the piggy bank = $6.60 </u>

  • 5n + 10d = 660

<u>Consider the first equation in the second:</u>

  • 5(100 -d) + 10d = 660
  • 500 - 5d + 10d = 660
  • 5d = 110
  • d = 110/5
  • d = 22
  • n = 100 - 22
  • n = 78

<u>Answer:</u> nickels 78 and dimes 22

8 0
3 years ago
Read 2 more answers
State the domain of the function. (5 points) 2 1 1 3 -6​
elena55 [62]

Answer:

-2, 1, 2, 3, 4

Step-by-step explanation:

The domain is the x values of the graph.

8 0
3 years ago
Would anyone mind helping me
oksian1 [2.3K]

Answer:

29

Step-by-step explanation:

0.11v=3.19

\frac{0.11x}{0.11} =\frac{3.19}{0.11}

Divide:

3.19÷0.11=29

v=29

3 0
2 years ago
Read 2 more answers
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