3 years ago

Please help me with this problem. Serious people

Mathematics

1 answer:

rjkz [21]3 years ago

5 0

A triangle is the anwser because it is made of many triangles

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Find the area of the composite figure (round to the nearest tenth). The area of the composite figure is

MatroZZZ [7]

The area of the composite figure is 50.8m

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3 years ago

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In the figure below, abc is a right triangle. a + b = 150 degrees, and c + d = 35 degrees

timurjin [86]

Um i would need more details
But i thing you would add those together

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3 years ago

A major car dealership has several stores in a big city. The owner wants to determine if there is a difference in the proportion

Gemiola [76]

Answer:

confidence interval = ( -0.38 , 0.08 )

Step-by-step explanation:

Given data :

n1 = 55 , n2 = 60 ,

Let P1 ( proportion of SUV sales at store A ) = 30 / 55 = 0.55

P2 ( sample proportion of SUV sales at store B ) = 42/60 = 0.70

The Z-value at 99% confidence Interval = 2.58

<u>Determine the 99% confidence interval for difference in proportion</u>

applying the formula below

( P1 - P2 ) ± Z ( $\sqrt{p1( 1-p1)/n1 + p2(1-p2)/n2}$

Input values above into equation

confidence interval = ( -0.38 , 0.08 )

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3 years ago

Plsssss helppppp i need to do this work in 10 min plss helpp

Over [174]

Answer:

3/2 or 1.5

Step-by-step explanation:

Change in y/ Change in x

3/2

1.5

You're welcome and don't forget to click <u>THANKS</u>

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3 years ago

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The probability that a region prone to hurricanes will be hit by a hurricane in any single year is 0.1 and independent of other

ludmilkaskok [199]

Answer:

0.40951

Step-by-step explanation:

P(none in five years) = 1 - 0.1 = 0.9

P(at least one) = 1 - P(none in five years)

= 1 - $0.9^{5}$

= 1 - 0.59049

= 0.40951

So the probability of a hurricane hit at least once in the next 5 years is 0.40951

8 0

3 years ago