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Mashcka [7]
3 years ago
12

PLZ HELP!! NEED QUICKLY!! Given: ∆ABC ≅ ∆DEF. Find DF and m∠B.

Mathematics
1 answer:
Sergeu [11.5K]3 years ago
4 0

Answer:

DF = 3

m<B = 28 degrees

Step-by-step explanation:

Hope that helps!

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The deck consists of 4 jacks, 26 black cards, and 13 hearts.

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There are \dbinom{26}4=14,950 ways of drawing 4 black cards.

There are \dbinom{13}4=715 ways of drawing 4 hearts.

There are \dbinom{52}4=270,725 ways of drawing any 4 cards.

The probabilities are then

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\dfrac{\binom44}{\binom{52}4}=\dfrac1{207,725}\approx0.00000369

b.

\dfrac{\binom{26}4}{\binom{52}4}=\dfrac{46}{833}\approx0.0552

c.

\dfrac{\binom{13}4}{\binom{52}4}=\dfrac{11}{4165}\approx0.00264

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A mother wants to invest $14,000.00 for her sons future education. She invests a portion of the money in a bank certificate of d
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What is an angle that crosses itself called?
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It is intersecting line!
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3 years ago
Beth is going to enclose a rectangular area in back of her house. the house wall will form one of the four sides of the fenced i
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The maximum possible area would have a length of 24 feet and width of 12 feet.

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more numbers and variables.

An independent variable is a variable that does not depend on other variables while a dependent variable is a variable that depends on other variables.

Let x represent the length and y represent the width, hence:

Since beth has 48 ft fencing and cover 3 sides, hence:

x + 2y = 48  

x = 48 - 2y     (1)

Also:

Area (A) = xy

A = (48 - 2y)y

A = 48y - 2y²

The maximum area is at A' = 0, hence:

A' = 48 - 4y

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y = 12 feet

x = 48 - 2(12) = 24

The maximum possible area would have a length of 24 feet and width of 12 feet.

Find out more on equation at: brainly.com/question/2972832

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1 year ago
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riadik2000 [5.3K]

Answer: 2

Step-by-step explanation:

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