2 years ago

Plz helpppp will mark brainliesttttt

Mathematics

2 answers:

Marat540 [252]2 years ago

8 0

A is true because 20+6+20+6=52
B is true because 20+8+20+8=56
C is wrong
D is wrong
E is wrong

sweet-ann [11.9K]2 years ago

3 0

The true statements would be
A and B
Reason is that one side is 20ft long a rectangle has 2 sets of matching sides.
So we can say that 2 sides equal 20 feet each. Total being 40 feet
So we take each B and multiply them by 2 for the two sides it shall equal.
6*2=12
8*2=16
Add those numbers to the 40 and will give you the corresponding amount of fence is required.

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Alex lost $200 for the second round Alex lost $380 what has Alex loss after two rounds

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Step-by-step explanation:

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5 0

2 years ago

On average 83.1% of welds performed by a particular welder are defective. if, in one day, the welder creates three welds. what i

Nuetrik [128]

Let p be 0.831 denote the percentage of defective welds and q be 0.169 denote the percentage of non-defective welds.

Using the binomial distribution, we want all three to be defective.
$P(X = 3) = \binom{3}{3}(p)^{3}{q}^{3 - 3}$
$P(X = 3) = \binom{3}{3}(0.831)^{3}(1)$
$P(X = 3) = (0.831)^{3} \approx 0.573856191$