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nexus9112 [7]
2 years ago
8

what is the relative frequency of a customer 40 years or older getting information from the internet? A.) 0.182 B.)0.222 C.)0.25

D.)0.4
Mathematics
2 answers:
Vlad1618 [11]2 years ago
6 0

Answer:

Step-by-step explanation:

first the formula for frequency is f=1/t

some then the answer is f= 1/40

                                          f= 0.025

MariettaO [177]2 years ago
6 0
The correct answer is C
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How many outer atoms and lone pairs are present in a molecule with a square pyramidal shape?
arlik [135]

Answer:

5 Outer and 1 lone pair

Step-by-step explanation:

A square pyramidal shape results when one of the bonds of an octahedron structure is occupied by a lone pair.

Hence there are 5 bonded atoms and one lone pair. The hybridization about the central atom is sp^{3} d^2.

One of the most common example is Xenon tetraflouride. XeF_4. Looking at its structure we can see that it has 5 pairs of outer atoms and one lone pair. With its coordination number 5. The shape of the orbitals is octahedral.

4 0
3 years ago
Angle c is congruent to which angles?
ahrayia [7]

Answer:

D. 2 and 4

Step-by-step explanation:

Alternate angles (c and 2) are equal and corresponding angles (c and 4) are also equal.

Hope this helps!

3 0
3 years ago
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Llana [10]

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7 0
3 years ago
The Walnut Cove Ruritan Club sells hot dogs and drinks from a concession stand at the annual 4th of July parade. Carl bought 4 h
timofeeve [1]

Let, cost of 1 hot dog and 1 drink is x and y respectively.

Carl bought 4 hot dogs and 6 drinks and paid $23.80.

4x + 6y = 23.80  ....1)

Susan purchased 4 hot dogs and 2 drinks and was charged $15.40.

4x + 2y = 15.40  ....2)

Subtracting equation 2 by 1, we get :

(4x + 6y) - (4x + 2y) = 23.80 - 15.40

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y = $2.1

4x + 6×2.1 = 23.80

4x = 23.80 - 12.2

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Therefore, the  cost of 1 hot dog and what is the cost of 1 drink is $2.9 and $2.1 respectively.

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3 0
3 years ago
Simplify this expression. (2-5√6)*3√2
gregori [183]

Answer: 6√2 - 30√3

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(2-5√6) x 3√2

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3 0
3 years ago
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