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frutty [35]
2 years ago
15

HELP Pre-algebra Not understanding :/

Mathematics
1 answer:
Contact [7]2 years ago
7 0
The answer will end up being c
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The tail of a kite is 1.5 feet plus twice the length of the kite. Together, the kite and tail are 15.5 ft long. Find the length
Dimas [21]

Answer:

The answer would be D because 1.5 plus twice the length of the kite would be 2k. 1.5+2k

Hope this helps

4 0
3 years ago
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Fill in the blank to factor to write an equivalent expression to 36a - 16.<br><br> (blank)(9a - 4)
scZoUnD [109]
The answer should be 4.
8 0
2 years ago
Kevin and Randy Muise have a jar containing 80 ​coins, all of which are either quarters or nickels. The total value of the coins
SCORPION-xisa [38]

Answer:

  • 39 quarters and 41 nickels

Step-by-step explanation:

Let the number of quarters be x and nickels be y.

<u>Given:</u>

  • Quarter is 25 cents
  • Nickel is 5 cents
  • Number of coins is 80
  • Total amount is $11.80 = 1180 cents

<u>We have equations:</u>

  • x + y = 80
  • 25x + 5y = 1180

<u>Solve the system by elimination, subtract 5 times the first equation from the second one:</u>

  • 25x + 5y - 5x - 5y = 1180 - 80*5
  • 20x = 780
  • x = 780/20
  • x = 39

<u>Find the value of y:</u>

  • 39 + y = 80
  • y = 80 - 39y = 41

<u>Verify:</u>

  • 25*39 + 5*41 = 975 + 205 = 1180
7 0
2 years ago
Simplify the following expression.<br> log(9x^5) + 5 log (1/x)
Darya [45]

Answer:

log9

Step-by-step explanation:

hello :

note :  a>0 and b>0

1) log(ab) = loga+logb

2) loga^n = nloga.....n in N

log(9x^5) + 5 log (1/x) = log(9x^5) +  log (1/x)^5 = log((9x^5) (1/x)^5)

                                 = log(9x^5)/(x^5)) = log9  because : (1/x)^5 = 1/x^5

6 0
3 years ago
Solve the equation.<br> x² =96<br><br> A 4/6<br><br> B 16/6<br><br> C 9<br><br> D 9,-9
alexgriva [62]

Answer:

x = ± 4\sqrt{6}

Step-by-step explanation:

Given

x² = 96 ( take the square root of both sides )

x = ± \sqrt{96} = ±  \sqrt{16(6)} = \sqrt{16} × \sqrt{6} = ± 4\sqrt{6}

3 0
3 years ago
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