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3 years ago

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How to determine if an outcome is unusual

1 answer:

lbvjy [14]3 years ago

3 0

The only way to determine whether or not an outcome is unusual or not is to compare it with previous or future outcomes.

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Zack, teri, and paco combined the foreign stamps from their collections for a stamp show. out of their collections. 3/10 of zack

babymother [125]

The complete question in the attached figure

Let
Z---------------- > number of zacks stamps collections  <span>for a stamp show
</span>T---------------- > number of teri's stamps collections  <span>for a stamp show
</span>P--------------- > number of pacos  stamps collections  for a stamp show
we know that
Z=(3/10)*30-----------> Z=9
T=(5/6)*18------------ > T=15
P=(3/8)*24------------->P=9

the answer is
number of zacks stamps collections  for a stamp show was 9
number of teri's stamps collections  for a stamp show was 15
number of pacos  stamps collections <span>for a stamp show </span>was 9
In their display were 33 stamps

4 0

3 years ago

Read 2 more answers

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

3 years ago

What is the first step in solving this equation? 3(2x+6)-4x 2(5x- 2) +6 Use the subtraction property of equality to subtract 6 f

LekaFEV [45]

Answer:

Use the distributive property on each side of the equation.

Explanation:

PEMDAS

5 0

3 years ago

Each base in this right prism-like figure is a semicircle with a radius of 7 cm.

zheka24 [161]

Answer:490pi

Step-by-step explanation:just trust me

5 0

3 years ago

while roping a fence post jane catches the post 5/6 of the time. time catches the post 3/4 of the time. who catches the post mor

White raven [17]

5/6 is equivalent to 20/24

3/4 is equivalent to 18/24

so 5/6 is bigger than 3/4 by 2/24

3 0

3 years ago