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Anestetic [448]
3 years ago
8

What is the answer to the first one

Mathematics
1 answer:
Vaselesa [24]3 years ago
7 0
Answer:
(3x +1)(x+2)
Explanation:
Use the new AC method to factor trinomials
y=3x^2+7x+2=3 (x=p)(x+q)
Converted trinomial y'=x^2+7x+6=(x+p')(x+q')
Factor pair of (6)-(1,6).This sum is 7=b
Then p'=1 and q'=6.Back to y, p=1/3 and q=6/3=2
y=3 (x+1/3)(x+2)
=(3x+1)(x+2)
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bogdanovich [222]

Answer:

64 single-shot espressos

Step-by-step explanation:

Let's say that the cafe sold x single-shot espressos. The total number of espressos sold was 80, and 80% of that total 80 were single-shot. So, we have the equation:

x = 80% * 80

Remember that % just means "out of 100". So, 80% = 80/100:

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3 years ago
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Answer:

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2 years ago
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51

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Jolly measured the cake. Then she calculated that it has a circumference of 15cm. what is the cake's diameter? Use 3.14 for pi.
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Answer:

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