2 years ago

Find the area of the figure below. You may assume all sides are perpendicular.

Mathematics

1 answer:

kirza4 [7]2 years ago

5 0

Answer:

I think the answers is 27, just add all of those squares.

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Twelve students have equally likely chance of being selected in a drawing at school. Eight are girls and four are boys. What is

lubasha [3.4K]

There are 4 boys and 12 students in total. It would be 4/12, but if it was to be simplified, it would be 1/3. The probability of a boy being selected is 1/3.

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3 years ago

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Brett golfs for the forestville knights high school team. When he practices his putting, he can make a 10-foot putt 80% of the t

balu736 [363]

The formula to calculate standard deviation from probability is \sqrt(n*p*(1-p)). n is the sample size, and 200 in this case (number of putts for practice). p is 80% or 0.8, the probability that he can make it. So the standard deviation is \sqrt(200*0.8*(1-0.8)=\sqrt(200*0.8*0.2)=\sqrt(16)=4.

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3 years ago

What is f[g(3)] for the following function? <br> f(x) = 4x2 − 3<br><br> g(x) = 5x − 2

lukranit [14]

Answer:

673

Explanation:

f(x) = 4(x)² − 3

g(x) = 5(x) − 2

solve:

f[g(3)]

f(5(3) − 2)

f(13)

4(13)² − 3

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2 years ago

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A fence is being built around a rectangular garden. The length of the garden is 35 feet, and the total fencing used to enclose t

liraira [26]

The garden's width is 45. We know this because
$35 \times 2$
(length)
$35 \times 2 + 2x = 160 \\$
35x2 is 70 and you need to neutralize that by taking away 70 from both sides.
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$2x = 90$
Now divide by 2 on both sides to neutralize the 2 times x.
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meaning that leaves us with
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3 years ago

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What is 3,200,000,000,000 in scientific notation

sashaice [31]

$3 200 000 000 000= 3.2 \cdot 10^{12}$

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3 years ago