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Angelina_Jolie [31]
3 years ago
14

Which answer represents the series in sigma notation?​

Mathematics
1 answer:
Lerok [7]3 years ago
4 0

Step-by-step explanation:

if you want I will prove

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Suppose that documentation lists the average sales price of a single-family home in the metropolitan Dallas/Ft. Worth/Irving, Te
Julli [10]

Answer:

"0.0373" seems to be the appropriate solution.

Step-by-step explanation:

The given values are:

n₁ = 43

n₂ = 35

\bar{x_1}=217800

\bar{x_2}=204700

\sigma_1=30300

\sigma_2=33800

Now,

The test statistic will be:

⇒  Z=\frac{\bar{x_1}-\bar{x_2}}\sqrt{\frac{\sigma_1^2}{n_1} +\frac{\sigma_2^2}{n_2} }

On substituting the given values in the above formula, we get

⇒      =\frac{217800-204400}{\sqrt{\frac{(30300)^2}{43} +\frac{(33800)^2}{35} } }

⇒      =\frac{217800-204400}{\sqrt{\frac{918090000}{43} +\frac{1142440000}{35} } }

⇒      =\frac{13400}{7347.93}

⇒      =1.7828

then,

P-value will be:

=  P(Z>1.7828)

=  0.0373

8 0
2 years ago
90 units needed 8units per case
lisov135 [29]

Answer: 90/8=11.25

Step-by-step explanation:

8 0
3 years ago
Which graph has a slope of –3 and passes through the point (–2, –5)?
kap26 [50]
You need to show us the pictures of the graph I think
5 0
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For what reason would we use the distance formula to determine the type of quadrilateral?
Whitepunk [10]

Answer:

Sides/diagonals are congruent

Step-by-step explanation:

If the distance formula is used to determine the type of quadrilateral, then we are interested in knowing whether the opposite sides are congruent or adjacent sides are congruent.

We can also use the length of diagonals to determine which type of quadrilateral.

For instance the square has all sides equal.

The diagonals of the rectangle are congruent.

6 0
3 years ago
There are 12 pizzas on a table for a birthday party.
Rom4ik [11]

Answer:

120 slices

Step-by-step explanation:

We are given that each slice is 1 over 10 of a pizza, so there are 10 slices per pizza (because the denominator represents the total amount of pieces). Since there are 12 pizzas, 12 x 10 = a total of 120 slices.

6 0
2 years ago
Read 2 more answers
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