3 years ago

New friends anyone?????????

Mathematics

2 answers:

nadya68 [22]3 years ago

8 0

Answer:

Step-by-step explanation:

Schach [20]3 years ago

5 0

Answer:

Step-by-step explanation:

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A single card is drawn from a standard 52-card deck. Let D be the event that the card drawn is a black card, and let F be the

Svetllana [295]

Answer:

$\dfrac{25}{26}$

Step-by-step explanation:

Let

D be the event that the card drawn is a black card
F be the event that the card drawn is a 10 card
F' be the event that the card drawn is not a 10 card

The probability

$Pr(D\cup F')=Pr(D)+Pr(F')-Pr(D\cap F')\\$

Note that

$Pr(D)=\dfrac{26}{52}=\dfrac{1}{2}\\ \\Pr(F)=\dfrac{4}{52}=\dfrac{1}{13}\\ \\Pr(F')=1-\dfrac{1}{13}=\dfrac{12}{13}\\ \\Pr(D\cap F')=\dfrac{24}{52}=\dfrac{6}{13}$

So,

$Pr(D\cup F')=\dfrac{1}{2}+\dfrac{12}{13}-\dfrac{6}{13}=\dfrac{25}{26}$

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3 years ago

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marusya05 [52]

Disregard the 9x+3y in the pic. The answer is 3/4x-13/12=y

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3 years ago

a shopper paid $2.52 for 4.5 pounds of potatoes, $7.75 for 2.5 pounds of broccoli, and $2.45 for 2.5 pounds of pears. what is th

Serggg [28]

Answer:

Divide the price by the amount of kgs

Unit price` $ per pound.

1 pound Potato = 2.52/4.5 = 0.56$

1 pound broccoli = 7.75/2.5 = 3.1$

1 pound pear = 2.45/2.5 = 0.98$

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3 years ago

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A city had population 67,255 on January 1,2000, and its population has been increasing by 2935 people each year since then. A li

bezimeni [28]

It is given in the question that

A city had population 67,255 on January 1,2000, and its population has been increasing by 2935 people each year since then.

Here initial population , b, is 67255, and the rate of increase of population is 2935 people each year. And that's the value of the slope .

Using slope intercept form, which is

$y=mx+b$

And substituting the values of m and b, we will get

$p(t)=2935t +67255$

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4 years ago

What is 124 * 324 I have to add more characters

Andrei [34K]

Answer:

40176

Step-by-step explanation:

124 * 324 = 40176

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3 years ago