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3 years ago

5

What is the correct answer?

1 answer:

Licemer1 [7]3 years ago

3 0

The answer is on the picture below

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The probability of choosing a 6 at random from a standard deck of playing cards is 1/13 what is the complement of the event of c

tekilochka [14]

To find the complement of an event you have to figure out what the probability is of not choosing a 6
since 1/13 is the probability that 6 is going to be choosen.
the other 12/13 is used for every other card accept for the 6:)
hope this is right
have a good one:)

merry Christmas:)

5 0

3 years ago

What value for C will make the expression a perfect square trinomial x2-7x+c

Tom [10]

Answer:

The value of c is 12.25

Step-by-step explanation:

we know that

A perfect square trinomial is of the form

$(x-a)^{2}=x^{2}-2ax+a^{2}$

In this problem we have

$x^{2}-7x+c$

so

equate the equations

$x^{2}-7x+c=x^{2}-2ax+a^{2}$

we have

the following equations

$-7x=-2ax$ -----> equation A

and

$c=a^{2}$ -----> equation B

<u>Solve the equation A</u>

$-7x=-2ax$

$7=2a$

$a=3.5$

<u>Solve the equation B</u>

$c=a^{2}$

$c=3.5^{2}=12.25$

therefore

$(x-3.5)^{2}=x^{2}-7x+12.25$

The value of c is 12.25

7 0

3 years ago

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Please Help! Given triangles ABC and DEF, which statement explains a way to determine if the two figures are similar?

forsale [732]

Answer:

A

Step-by-step explanation:

i took the test

5 0

3 years ago

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Can someone please help me with this :( asap

Rama09 [41]

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3 years ago

A person walks 2 3 of a mile in 2 9 of a hour. Which complex fraction when simplified will compute the unit rate of miles per ho

GaryK [48]

2/3 / 2/9
= 2/3 * 9/2
=18/6
=3

rate = 3 miles per hour

3 0

4 years ago

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