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jolli1 [7]
3 years ago
10

Which of the following are prime numbers 7,2,7,9

Mathematics
1 answer:
svetlana [45]3 years ago
3 0
7 and 2 are prime numbers
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The answer is Strong Positive
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I dont quite understand this.. Check the picture and help
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What is the solution to question number 33?
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If the width of the garden is w, then the maximum area available is a square, giving you w² as the dimensions. So:
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7 0
3 years ago
3. Solve 2log4y - log4 (5y - 12) = 1/2<br>​
Ilia_Sergeevich [38]

Answer:

y =  4  or y = 6

Step-by-step explanation:

2log4y - log4 (5y - 12) = 1/2

​2log_4(y) - log_4(5y-12) = log_4(2)           apply law of logarithms

log_4(y^2) + log_4(1/(5y-12)) = log_4(/2)    apply law of logarithms

log_4(y^2/(5y-12)) = log_4(2)                     remove logarithm

y^2/(5y-12) = 2                                            cross multiply

y^2 = 10y-24                                                  rearrange and factor

y^2 - 10y + 24 = 0

(y-4)(y-6) = 0

y= 4 or y=6

4 0
3 years ago
Sammy bought 3 T-shirts for $15.75 each and pairs of jeans for $28.79 each. If the sales tax on his purchases totaled $5.24, how
abruzzese [7]

Answer: $49.78


Step-by-step explanation: $15.75 + $28.79 + $5.24 = $49.78


7 0
3 years ago
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