Factor completely 3x2 + y.
2 answers:
Answer: The factorised form would be (3x²+y) itself.
Step-by-step explanation:
Since we have given that
We need to find the factorisation of the above expression:
There are two terms:
1) 3x²
2) y
Factors of 3x² = 1,3,x,x
Factors of y = 1,y
As we can see that there is no common factor between them.
So, it can't be factorised any more .
So, the factorised form would be (3x²+y) itself.
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Answer:
y = 5cos(πx/4) +11
Step-by-step explanation:
The radius is 5 ft, so that will be the multiplier of the trig function.
The car starts at the top of the wheel, so the appropriate trig function is cosine, which is 1 (its maximum value) when its argument is zero.
The period is 8 seconds, so the argument of the cosine function will be 2π(x/8) = πx/4. This changes by 2π when x changes by 8.
The centerline of the wheel is the sum of the minimum and the radius, so is 6+5 = 11 ft. This is the offset of the scaled cosine function.
Putting that all together, you get
... y = 5cos(π/4x) + 11
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The answer selections don't seem to consistently identify the argument of the trig function properly. We assume that π/4(x) means (πx/4), where this product is the argument of the trig function.
Answer:
16 crates
Step-by-step explanation:
-This is a division problem.
-Let x be the number of crates that will fit in to the box car.
-To solve x, we divide the volume of the boxcar by the volume of one crate:
Hence, 16 crates will fit in the boxcar.