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3 years ago

32.443 rounded to the nearest hundredth

Mathematics

2 answers:

Naddik [55]3 years ago

5 0

The answer would be 32.44 because the 3 is smaller than 5, therefore closer to 40 than 50.

Roman55 [17]3 years ago

5 0

The digit place to the right of the hundredths digit is the thousandths place. The digit in that place is less than 5, so that digit and all to its right can be dropped. Your rounded number is

... 32.44

_____

Had the thousanths place digit been 5 or greater, you would have increased the hundredths-place digit by 1 before dropping digits to its right.

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Machine A covers 5/8 square feet in 1/4 hours or machine B covers 2/3 square feet in 1/5 hour.

pishuonlain [190]

Answer:

maybe machine B?

Step-by-step explanation:

convert denominators

8 and 3 will now be 24

A: 5/8=15/24ft squared in 15 mins

B: 2/3=16/24ft squared in 12 mins

its b probably

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3 years ago

Which is the best estimate for the width of your index finger

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4 years ago

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5m^{2}\sqrt{25m^{8}+15m^{6}+5m^{2}}

xxTIMURxx [149]

You can square the whole problem to cancel out the square root. Might make things easier.

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4 years ago

A researcher wishes to conduct a study of the color preferences of new car buyers. Suppose that 50% of this population prefers t

ehidna [41]

Answer:

The probability that more than a third of the buyers would prefer brown is 0.8491.

Step-by-step explanation:

This is binomial problem with n=15 and p=0.50.

The binomial formula of probaility is:

P(X=x)= $\frac{n!}{x!(n-x)!} p^{x} (1-p)^{n-x}$

More than a third of the buyers: 15÷3=5

We have to find P(x>5).

P(x>5) = 1 - P(x≤5) = 1 - P(x=0) - P(x=1) - P(x=2) - P(x=3) - P(x=4) - P(x=5)

P(x=0)= $\frac{15!}{0!15!} (0.5)^{0} (1-0.5)^{15}$ =0.00003

P(x=1)= $\frac{15!}{1!14!} (0.5)^{1} (1-0.5)^{14}$ =0.00046

P(x=2)= $\frac{15!}{2!13!} (0.5)^{2} (1-0.5)^{13}$ =0.00320

P(x=3)= $\frac{15!}{3!12!} (0.5)^{3} (1-0.5)^{12}$ =0.01389

P(x=4)= $\frac{15!}{4!11!} (0.5)^{4} (1-0.5)^{11}$ =0.04165

P(x=5)= $\frac{15!}{5!10!} (0.5)^{5} (1-0.5)^{10}$ =0.09164

P(x>5) = 1 - P(x≤5)= 1- 0.00003 - 0.00046 - 0.00320 - 0.01389 - 0.04165 - 0.09164 = 0.8491

4 0

3 years ago

QveST [7]

Answer: 9 L

Step-by-step explanation:

Given

The dimension of the rectangular container is $40\times 30\times 25\ cm^3$

It is filled with $\frac{3}{5}$ of the height

Water present in the container

$\Rightarrow 40\times 30\times 25\times \dfrac{3}{5}\\\\\Rightarrow 18000\ cm^3$

Also, $1\ L=1000\ cm^3$

$\therefore 18,000\ cm^3=18\ L$

Now, half of the water is poured out

So, half is left

$\Rightarrow \dfrac{18}{2}=9\ L$

Thus, 9 L of water is left in the container

5 0

3 years ago