X = standard and y = high quality
2.4x + 4.8y = 2880
y = 2x
2.4x + 4.8(2x) = 2880
2.4x + 9.6x = 2880
12x = 2880
x = 2880/12
x = 240 <== there were 240 standard version downloads
y = 2x
y = 2(240)
y = 480...there were 480 high quality version downloads
Answer:
There is no linear association.
Step-by-step explanation:
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The square base area is 6 x 6 = 36. Then each triangle is the same base and height. Formula for area is 1/2(b)(h). So, each triangle is 1/2(6)(12)=36. So all sides are 36x5=180 units squared.
Answer:
7 times during the first 15 minutes
Step-by-step explanation:
Remember that

so

Decompose the numbers 18 and 42 in prime factors
we know that


Find the least common multiple (LCM)
The LCM is

we need to find all multiples of 126 that are less than or equal 900.

therefore
7 times during the first 15 minutes