Calculate the perimeter of a rectangle which is 11 metres long and 4 metres wide

1 answer:

mote1985 [20]3 years ago

3 0

To calculate the perimeter of a rectangle what you would do is add the parallel sides together so 11+11=22 and then 4+4=8 so we would add 22+8=30

So your answer would be 30
(correct me if im wrong)

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A researcher was testing the number of popcorn kernels that popped out of a mini bag of 100 kernels after being cooked for the s

Lelechka [254]

Answer:

The percentage of the bag that should have popped 96 kernels or more is 2.1%.

Step-by-step explanation:

The random variable X can be defined as the number of popcorn kernels that popped out of a mini bag.

The mean is, μ = 72 and the standard deviation is, σ = 12.

Assume that the population of the number of popcorn kernels that popped out of a mini bag follows a Normal distribution.

Compute the probability that a bag popped 96 kernels or more as follows:

Apply continuity correction:

$P( X\geq 96)=P( X>96+0.50)$

$=P( X>96.50)\\=P(\frac{X-\mu}{\sigma}>\frac{96.50-72}{12})\\=P(Z>2.04)\\=1-P(Z$

*Use a z-table.

The probability that a bag popped 96 kernels or more is 0.021.

The percentage is, 0.021 × 100 = 2.1%.

Thus, the percentage of the bag that should have popped 96 kernels or more is 2.1%.

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3 years ago

F(x)=4x-3 G(x)=x^3+2x Find (f-g)(x)

dexar [7]

You gotta remember that $(f-g)(x)$ means $f(x) - g(x)$ .

So, in this case, f(x) is [4x - 3], g(x) is [x^3 + 2x].
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3 years ago

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spin [16.1K]

Answer:

i think it is 1.5

Step-by-step explanation

because 5 tenths is equal .5 and adding 1 unit which is adding on one which should equal 1.5

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3 years ago

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