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3 years ago

Solve for e. 9e-5 = 7e-11

Mathematics

2 answers:

tia_tia [17]3 years ago

8 0

Answer: e = -3
Explanation:

9e - 5 = 7e - 11
9e - 7e = -11 + 5
2e = -6
e = -6/2
e = -3

Elodia [21]3 years ago

3 0

Answer:

e = -3

Step-by-step explanation:

9e - 5 = 7e - 11

2e - 5 = - 11

+5 +5

2 2

e = -3

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Consider the following sample set of scores. Assume these scores are from a discrete distribution. 21 29 32 38 38 45 50 64 72 10

ASHA 777 [7]

Answer:

Original data: 21 29 32 38 38 45 50 64 72 100

$\bar X = \frac{21+29+32+38+38+45+50+64+72+100}{10}=48.9$

Mode =38.

$Median = \frac{38+45}{2}=41.5$

Change 1: 2 29 32 38 38 45 50 64 72 100

$\bar X = \frac{2+29+32+38+38+45+50+64+72+100}{10}=47$

Mode =38.

$Median = \frac{38+45}{2}=41.5$

Change 2: 29 32 38 38 45 50 64 72 100

$\bar X = \frac{29+32+38+38+45+50+64+72+100}{9}=52$

Mode =38.

$Median = 45$

Step-by-step explanation:

Original data: 21 29 32 38 38 45 50 64 72 100

The mean is calculated with the following formula:

$\bar X = \frac{\sum_{i=1}^{10} X_i}{10}$

And if we replace we got:

$\bar X = \frac{21+29+32+38+38+45+50+64+72+100}{10}=48.9$

The mode is the most repeated value in the sample and on this case is Mode =38.

Since we have an even number of points the median is calculated as the average between the observations 5 and 6 from the dataset ordered.

$Median = \frac{38+45}{2}=41.5$

Change 1: 2 29 32 38 38 45 50 64 72 100

The mean is calculated with the following formula:

$\bar X = \frac{\sum_{i=1}^{10} X_i}{10}$

And if we replace we got:

$\bar X = \frac{2+29+32+38+38+45+50+64+72+100}{10}=47$

The mode is the most repeated value in the sample and on this case is Mode =38.

Since we have an even number of points the median is calculated as the average between the observations 5 and 6 from the dataset ordered.

$Median = \frac{38+45}{2}=41.5$

Change 2: 29 32 38 38 45 50 64 72 100

Now the sample size is 9 instead of 10

The mean is calculated with the following formula:

$\bar X = \frac{\sum_{i=1}^{9} X_i}{9}$

And if we replace we got:

$\bar X = \frac{29+32+38+38+45+50+64+72+100}{9}=52$

The mode is the most repeated value in the sample and on this case is Mode =38.

Since we have odd number of points the median is calculated from the 5 position of the dataset ordered.

$Median = 45$

7 0

4 years ago

Aunt May milks her Holstein cows twice a day. This morning she got 365 gallons of milk. This evening she got 380 gallons. She so

trasher [3.6K]

She has 133 gallons of milk left.
365+380=745.
In total for the day she had 745 gallons but sold 612
745-612= 133 gallons left

4 0

3 years ago

Regina deposit 3,500 in savings account

bazaltina [42]

Answer:

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Step-by-step explanation:

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3 years ago

Solve for b. ab + c = d b = a + c/d b = a/(c - d) b = (d - c)/a

erastova [34]

B = (d - c)/a

ab + c = d >> ab + c - c = d - c
ab = d - c >> (ab)/a = (d - c)/a
b = (d - c)/a

8 0

4 years ago

Read 2 more answers

Enter numbers to complete rows 0 through 6 of Pascal triangle

Svet_ta [14]

Answer:

1. Use Pascal's Triangle to expand the binomial.

(d – 3)6

d6 – 18d5 + 135d4 – 540d3 + 1,215d2 – 1,458d + 729

d6 + 18d5 + 135d4 + 540d3 + 1,215d2 + 1,458d + 729

d6 – 6d5 + 15d4 – 20d3 + 15d2 – 6d + 1

d6 + 6d5 + 15d4 + 20d3 + 15d2 + 6d + 1

2. Use the Binomial Theorem to expand the binomial. (3v + s)5

s5 – 5s4v + 10s3v2 – 10s2v3 + 5sv4 – v5

s5 + 15s4v + 90s3v2 + 270s2v3 + 405sv4 + 243v5

s5 + 45s4v + 270s3v2 + 810s2v3 + 1,215sv4 + 729v5

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Step-by-step explanation:

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3 years ago

Read 2 more answers