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tigry1 [53]
1 year ago
12

There are 25 popular trees currently in the park. Park workers will plant morepopular trees today. When the workers are finished

there will be 80popular trees in the park. How many popular trees did the workers plant today?
Mathematics
1 answer:
Vlada [557]1 year ago
7 0

Current trees = 25

trees when workers are finished = 80

Subtract the number of current trees (25) to the number of trees that are when the workers are finished:

80-25 = 55

The workers planted 55 trees today

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What is the median of the following numbers? 10,6,4,4,6,4,1
saveliy_v [14]

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4

Step-by-step explanation:

If you set the numbers in order from least to greatest, you will find that 4 is the middle value(median)

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How do I solve y+5x=2;-1,0,1 ?
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3 years ago
A recipe uses 5 cups of flour for every 2 cups of sugar. How much sugar is used for 1 cup of flour? Exact answers only
Aloiza [94]

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7 0
3 years ago
Soooo Hard<br> Please someone help me
Alisiya [41]

\frac{1}{2} ( \frac{2}{3}  +  \frac{3}{4}) \\  =  \frac{1}{2}  ( \frac{2 \times 4}{3 \times 4}  +  \frac{3 \times 3}{4 \times 3} ) \\  =  \frac{1}{2} ( \frac{8}{12}  +  \frac{9}{12} ) \\  =  \frac{1}{2} ( \frac{8 + 9}{12} ) \\   = \frac{1}{2} ( \frac{17}{12} ) \\  =  \frac{1 \times 17}{2 \times 12}  \\  =  \frac{17}{24}
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8 0
3 years ago
10. The continuously compounded annual return on a stock is normally distributed with a mean of 20% and standard deviation of 30
ehidna [41]

Answer: We should expect its actual return in any particular year to be between<u> -40%</u> and<u> 80%</u>.

Step-by-step explanation:

Given : The continuously compounded annual return on a stock is normally distributed with a mean 20% and standard deviation of 30%.

From normal z-table, the z-value corresponds to 95.44 confidence is 2.

Therefore , the interval limits for 95.44 confidence level will be :

Lower limit = Mean -2(Standard deviation) = 20% -2(30%)= 20%-60%=-40%

Upper limit =  Mean +2(Standard deviation)=20% +2(30%)= 20%+60%=80%

Hence, we should expect its actual return in any particular year to be between<u> -40%</u> and<u> 80%</u>.

7 0
3 years ago
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