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Alchen [17]
3 years ago
15

A recent census found that 52.4% of adults are female, 10.5% are divorced, and 6.1% are divorced females. For an adult selected

at
random, let F be the event that the person is female, and D be the event that the person is divorced.
Mathematics
1 answer:
worty [1.4K]3 years ago
8 0

Answer:

A recent census found that 52.2% of adults are female, 10.2% are divorced, 6.1% are divorced females. For and adult selected at random,

Step-by-step explanation:

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Find the distance between each pair of points. Round your answer to the nearest tenth, if necessary. Hint: Use the Pythagorean T
Paul [167]

The distance between two points on the plane is given by the formula below

\begin{gathered} A=(x_1,y_1),B=(x_2,y_2) \\ \Rightarrow d(A,B)=\sqrt[]{(x_1-x_2)^2+(y_1-y_2)^2} \end{gathered}

Therefore, in our case,

A=(-1,-3),B=(5,2)

Thus,

\begin{gathered} \Rightarrow d(A,B)=\sqrt[]{(-1-5)^2+(-3-2)^2}=\sqrt[]{6^2+5^2}=\sqrt[]{36+25}=\sqrt[]{61} \\ \Rightarrow d(A,B)=\sqrt[]{61} \end{gathered}

Therefore, the answer is sqrt(61)

In general,

-(-n)=n

Remember that

-n=(-1)\cdot n

Therefore,

\begin{gathered} a-(-n)=a+(-1)(-n)=a+(-1)(-1\cdot n)=a+(-1)^2\cdot n=a+1\cdot n=a+n \\ \Rightarrow a-(-n)=a+n \end{gathered}

6 0
2 years ago
The first inverse operation you would use to solve the equation 2+5x= -8 for x is subtraction. true or false?
jok3333 [9.3K]

Answer:

It would be True

Step-by-step explanation:

2+5x = -8

SUBTACT 2 on both sides and it would look like this:

5x = -8 - (2)

5X= -10

then DIVIDE 5 both side to get "X" ALONE,

x= -10/5

then divide -10 with 5

equal to:

x = -2

4 0
3 years ago
What is the first step in simplifying the expression 11x-2-3(1-7x)^2/(x+1) ? square the binomial multiply the binomial by 3 divi
Delicious77 [7]

Answer:

Square the binomial :)


Step-by-step explanation:


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4 years ago
if 2lbs of fertilizer will cover 252 square feet of lawn how many pounds would be needed to cover 1008 square feet?
Burka [1]

Answer:

252 \: sq \: feet = 2 \: lbs \\ 1008 \: sq \: feet = ( \frac{1008 \times 2}{252} ) \\  = 8 \: lbs

7 0
3 years ago
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ycow [4]

Step-by-step explanation:

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