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olga_2 [115]
3 years ago
9

PLEASE HELPP THE LAST OKE WAS BLURRY BUT I NEED HELP ASAPP

Mathematics
2 answers:
allochka39001 [22]3 years ago
8 0

Answer:

last option

Step-by-step explanation:

Otrada [13]3 years ago
4 0
Sale price = 1,799 x 85/100
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HELP!!<br> Which table is a probability distribution table?
fomenos

Answer:

Table 1 is the only table which represents PROBABILITY DISTRIBUTION table.

Step-by-step explanation:

In any given probability distribution:

1) The probability of each event should be strictly POSITIVE.

2) Sum of all events in a a distribution should be 1.

Now, here

A) All of the values of probability (0.11, 0..5, 0.49,0.35)  are positive.

Also, 0.11 +  0.5 +  0.49 + 0.35  = 1

So, the given table is a PROBABILITY DISTRIBUTION.

B)The table is NOT a PROBABILITY DISTRIBUTION as here

P(Blue) =  -1, which is negative.

C)The table is NOT a PROBABILITY DISTRIBUTION as here

P(Green) =  -0.49, which is negative.

D)The table is NOT a PROBABILITY DISTRIBUTION as here

P(Purple) =  -0.1, which is negative.

Hence, table 1 is the only table which represents  PROBABILITY DISTRIBUTION table.

3 0
3 years ago
Find the value of a and b if root3-1/root3+1+ root3+1/root3-1=a+root3 b​
Digiron [165]

Answer:

a=4 and b = 0

Step-by-step explanation:

Given : \dfrac{\sqrt 3 -1}{\sqrt 3+1}+\dfrac{\sqrt 3+1}{\sqrt 3-1}=a+\sqrt 3 b

To find, The value of a and b

Solution,

Solving LHS of the given equation,

\dfrac{(\sqrt 3-1)^2+(\sqrt3+1)^2}{(\sqrt 3+1)(\sqrt 3-1)}=a+\sqrt 3 b

Since,

(a-b)^2=a^2+b^2-2ab\\\\(a+b)^2=a^2+b^2+2ab\\\\(a-b)(a+b)=a^2+b^2

So,

\dfrac{3+1-2\sqrt 3+3+1+2\sqrt 3}{3-1}=a+\sqrt 3 b\\\\4=a+\sqrt 3 b

or

4+0=a+\sqrt 3 b

On comparing we get :

a = 4 and b = 0

4 0
4 years ago
What is the y-intercept of the line shown?
Vaselesa [24]

Answer:

-1

Step-by-step explanation:

you find where the line crosses the y-intercept

8 0
3 years ago
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Simplify the expression. (–5 – c)(–1) A.5 + c B.–5 + c C.5 – c D.–5 – c
Marina86 [1]
-1(-5 - c) = 5 + c <==
6 0
4 years ago
Read 2 more answers
Solve the equation 9x + 3y -2x
DiKsa [7]
Hope this helps 

Good luck mate :P

4 0
4 years ago
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