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3 years ago

Find the area of the parallelogram

Mathematics

2 answers:

dimulka [17.4K]3 years ago

8 0

Answer:

6 cm squared

Step-by-step explanation:

Parallelogram: Base*Height=Area

Base: 3

Height: 2

3*2=6 cm squared

ryzh [129]3 years ago

6 0

Answer:

Step-by-step explanation:

Its 8 because when you find the area it is just Base times height so when you do that you will get 8 for your answer.

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25 POINTS PLZ ANSWER FAST!!!!!!!!!!!!!!!!!!

andrew-mc [135]

Answer:

V = 1/3 ( 35)*12

Step-by-step explanation:

The volume is given by

V = 1/3 Bh

Where B is the area of the base

V = 1/3 ( 35)*12

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3 years ago

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Taya2010 [7]

Answer:

25 rides

Step-by-step explanation:

has $28.50

15.75 + 0.50r $\leq$ 28.50

Subtract 15.75

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3 years ago

If line ab is parallel to line cd and the slope of line AB = -3/5, what is the slope of CD?

Greeley [361]

Answer:

-3/5

Step-by-step explanation:

Parallel lines have the same slope. If ab has a slope of -3/5 and is parallel to cd, the cd has a slope of -3/5

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guapka [62]

Answer:

A. 2, 3, and 4

B: 4

Step-by-step explanation:

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3 years ago

A study was conducted to measure the effectiveness of hypnotism in reducing pain. The measurements are centimeters on a pain sca

blondinia [14]

The confidence interval for mean of the "before-after" differences is $\fbox{(-0.4037,1.8037)}$

Further explanation:

Find the difference between the before pain and the after pain.

Difference = before-after

Kindly refer to the Table for the difference of between the before and after pain.

Sum of difference = $5.6$

Total number of observation = $8$

Mean of difference = $0.7$

Sample standard deviation $s$ = $1.3201$

Level of significance = $5\%$

Formula for confidence interval = $\left( \bar{X} \pm t_{n-1, \frac{\alpha}{2}\%} \frac{s}{\sqrt{n}} \right)$

confidence interval = $\left( 0.7 \pm t_{8-1, \frac{5}{2}\%} \frac{1.3201}{\sqrt{8}} \right)$

confidence interval = $\left( 0.7 \pm t_{7, \frac{5}{2}\%} \frac{1.3201}{\sqrt{8}} \right)$

From the t-table.

The value of $t_{7, \frac{5}{2}\%$ = $2.365$

Confidence interval = $( 0.7 \pm 2.365}\times \frac{1.3201}{\sqrt{8}}) \right)$

Confidence interval = $\left( 0.7 - 2.365}\times \0.4667,0.7 + 2.365}\times \0.4667) \right$

Confidence interval = $(0.7-1.1037,0.7+1.1037)$

Confidence interval = $\fbox{(-0.4037,1.8037)}$

The $95\%$ confidence interval tells us about that $95\%$ chances of the true mean or population mean lies in the interval.

Yes, the hypnotism appear to be effective in reducing pain as confidence interval include includes the positive deviation from the mean.

Learn More:

1. Learn more about equation of circle brainly.com/question/1506955

2. Learn more about line segments brainly.com/question/909890

Answer Details:

Grade: College Statistics

Subject: Mathematics

Chapter: Confidence Interval

Keywords:

Probability, Statistics, Speed dating, Females rating, Confidence interval, t-test, Level of significance , Normal distribution, Central Limit Theorem, t-table, Population mean, Sample mean, Standard deviation, Symmetric, Variance.

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3 years ago

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