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4 years ago

What fraction of a kilometer is 150 cm?

Mathematics

2 answers:

NemiM [27]4 years ago

7 0

3/2000 is the answer

Ne4ueva [31]4 years ago

4 0

A kilometer is 100,000 centimeters.
150 out of 100,000 is 150/100,000.
That is equal to 15/10,000.
It's also equal to 3/2,000.
That is as simplified as you can get.
Side note: as a decimal it is 0.0015.
Hope this helps!

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Find the measure of each unknown angle.

tekilochka [14]

Answer:

= 56°

= 34°

Step-by-step explanation:

3x + 5 + 2x = 90°

3x + 2x + 5 = 90°

5x + 5 = 90°

5x = 90 - 5

5x = 85

x = 85/5

x = 17

3x + 5

= 3(17) + 5

= 51 + 5

= 56°

= 2(17)

= 34°

3 0

3 years ago

Can anyone give me the steps to get how many bananas will be in 7th row

LiRa [457]

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3 years ago

You have a cell phone plan that allows for unlimited calling and 1000 text messages for $21.25. Every text message for 1000 text

Kruka [31]

Answer:

A) 21.25 + 0.1m <= 60

B) 387

Step-by-step explanation:

I think the problem means to say that the first 1000 text messages are included in the $21.25 plan, and messages above the included 1000 cost $0.10 each.

Let m = number of text messages above 1000.

0.1m is the cost of the messages past the included 1000.

The cost of the plan ($21.25) plus the cost of the messages above 1000, must cost up to $60.

21.25 + 0.1m <= 60

0.1m <= 38.75

m <= 38.75/0.1

m <= 387.5

Answer: 387

7 0

3 years ago

The weight of an organ in adult males has a bell-shaped distribution with a mean of 330 grams and a standard deviation of 15 gr

wolverine [178]

Answer: a) (315,345) b) 99.7%, c) 0.14%, d) 97.36%

Step-by-step explanation:

Since we have given that

Mean = 330 grams

Standard deviation = 15 grams

(a) About 68% of organs will be between what weights? 

We will use 68-95-99.7 rule, it is empirical.

as we know that

$P(\mu-\sigma\leq X\leq \mu +\sigma)\approx 0.6827$

So,

$\mu -\sigma=330-15=315\\\\\mu+\sigma=330+15=345$

So,the 68% of the data falls within three standard deviation or will be between (315 grams and 345 grams)

(b) What percentage of organs weighs between 285 grams and 375 grams?

$\mu+3\sigma=330+3\times 15=330+45=375\\\\\mu-3\sigma=330-3\times 15=330-45=285$

so, 99.7 % of organs weighs between 285 grams and 315 grams, because the these two values are within one standard deviation of the mean.

(c) What percentage of organs weighs less than 285 grams or more than 375 grams? 

Since it is 3 standard deviation below the mean and 3 standard deviations above the mean.

so, it becomes

$1-0.9973=0.0027\\\\\dfrac{0.0027}{2}=0.00135\\\\So,0.00135\times 100=0.135\%=0.14\%$

Since 285 grams is 3 standard deviation below the mean(=330 grams) and 375 grams is 3 standard deviation above the mean(=330 grams).

So 0.14% data is lies below the 285 grams and 0.14% data is lies above the 375 grams.

(d) What percentage of organs weighs between 300 grams and 375 grams?

$\mu-2\sigma=330-2\times 15=330-30=300\\\\\mu+3\sigma=330+3\times 15=330+45=375$

So, 300 grams is 2 standard deviation below the mean i.e. 330 grams and 375 grams is 3 standard deviation above the mean i.e. 330 grams.

so, percentage of organs weighs would be

$100-2.5-0.14=97.36\%$

Hence, a) (315,345) b) 99.7%, c) 0.14%, d) 97.36%.

4 0

3 years ago

Read 2 more answers

Joe played golf with Sam on a special par 3 course.. They played nine holes. The

Scrat [10]

Answer:

Step-by-step explanation:

par= +1

boogie +2

bridie= -1

double boogie= +3

eagle= -2

1-2= -1
-1-3= -4
-4+8= +4

5 0

3 years ago