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2 years ago

<4 and <5 are suplementary angles. if m<4=76 degree then m<5=?

Mathematics

1 answer:

Yuri [45]2 years ago

5 0

Answer:

Step-by-step explanation:

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Problem 1: Given the following probabilities P(Ac) = 0.45, P(B) = 0.34, and P(B|A) = 0.23. Find the following probabilities:

-BARSIC- [3]

Answer:

P(A)=0.55

P(A and B)=P(A∩B)=0.1265

P(A or B)=P(A∪B)=0.7635

P(A|B)=0.3721

Step-by-step explanation:

P(A')=0.45

P(A)=1-0.45=0.55

P(B∩A)=?

P(B|A)=0.23

P(B|A)=(P(A∩B))/P(A)

0.23=(P(A∩B))/0.55

P(A∩B)=0.23×0.55=0.1265

P(A∪B)=P(A)+P(B)-P(A∩B)

=0.55+0.34-0.1265

=0.7635

P(A|B)=[P(A∩B)]/P(B)=0.1265/0.34 ≈0.3721

8 0

2 years ago

Mark on the lines whether the statement is correct about the graphs.

quester [9]

Answer:

1.= Correct

2.= False(Raul has a negative slope and Becky has a positive, it is not both positive so FALSE)

3.= Corect(They both cross on the x and y axis.)

Step-by-step explanation:

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2 years ago

Here is a picture of a ferris wheel. It has a diameter of 80 meters. On the picture, draw and label a diameter. What do I do????

Furkat [3]

Answer:

Draw a line directly through the center of the circle. That is the diameter.

Step-by-step explanation:

Hope this helps! Pls give brainliest!

5 0

2 years ago

Which is bigger 2.35 or 2.346 decimals

mafiozo [28]

Answer:

2.35

Step-by-step explanation:

bruh

8 0

2 years ago

Read 2 more answers

I need to make a matrix in reduced row echelon form

a_sh-v [17]

Let the three apartments be A, B & C

The rent of A is $x

The rent of B is $y

The rent of C is $z

So x + y + z = 1600 .......(1)

Now

Maintenance of A is 20% of x = 0.20x

Maintenance of B is 20% of y = 0.20y

Maintenance of C is 25% of z = 0.25z

0.20x + 0.20y + 0.25z = 345

Multiplying by 100 we get

20x + 20y + 25 z = 34500

Dividing by 5 we get

4x + 4y + 5z = 6900 .......(2)

Monthly fee of A is 10% of x = 0.10x

Monthly fee of B is 20% of y = 0.20 y

Monthly Fee of C is 10% of z = 0.10z

Now

0.10x + 0.20y + 0.10 z= 1820 - 1600

0.10x + 0.20y + 0.10z = 220

Multiplying by 100 we get

10x + 20y + 10z = 22000

Dividing by 10

x + 2y + z = 2200 ....(3)

Making a Matrix of equation (1), (2) & (3)

$\left[\begin{array}{ccc}1&1&1\\4&4&5\\1&2&1\end{array}\right] \left[\begin{array}{c}x\\y\\z\end{array}\right] =\left[\begin{array}{c}1600\\6900\\2200\end{array}\right]$

is the required matrix

7 0

3 years ago

Read 2 more answers

<4 and <5 are suplementary angles. if m<4=76 degree then m<5=?​

<4 and <5 are suplementary angles. if m<4=76 degree then m<5=?