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4 years ago

6

Pls help me I need the best grade on this

2 answers:

Sergio039 [100]4 years ago

6 0

Answer:

The expression, simplified is 125 + 17n.

Step-by-step explanation:

We already know that in day one $30 is paid for transportation. Day two had $95 paid in that same area. Simply add the 2 for a total of $125 throughout the trip in transportation. The planetarium has $10 tickets and the geology museum has $7 tickets. Add the 2 costs for a $17 total ticket cost for every member. Using that information, we can make a simplified expression: 125 + 17n.

ira [324]4 years ago

4 0

Answer:

$30+$10+$95+$7

Step-by-step explanation:

It asks for an expression (Equation) not an answer. The question wants you to show HOW to get the answer, NOT to write the equation AND solve it.

Hope this helps! ( • ω • )✧

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What is the formula for the following geometric sequence? -5, -10, -20, -40, ... an = -5 · 2n - 1 an = -5 · (-2)n - 1 an = -2 ·

vazorg [7]

$-5 * 2^{n-1}$

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3 years ago

Yahoo creates a test to classify emails as spam or not spam based on the contained words. This test accurately identifies spam (

Amiraneli [1.4K]

Answer and Step-by-step explanation:

The computation is shown below:

Let us assume that

Spam Email be S

And, test spam positive be T

Given that

P(S) = 0.3

$P(\frac{T}{S}) = 0.95$

$P(\frac{T}{S^c}) = 0.05$

Now based on the above information, the probabilities are as follows

i. P(Spam Email) is

= P(S)

= 0.3

$P(S^c) = 1 - P(S)$

= 1 - 0.3

= 0.7

ii. $P(\frac{S}{T}) = \frac{P(S\cap\ T}{P(T)}$

$= \frac{P(\frac{T}{S}) . P(S) }{P(\frac{T}{S}) . P(S) + P(\frac{T}{S^c}) . P(S^c) }$

$= \frac{0.95 \times 0.3}{0.95 \times 0.3 + 0.05 \times 0.7}$

= 0.8906

iii. $P(\frac{S}{T^c}) = \frac{P(S\cap\ T^c}{P(T^c)}$

$= \frac{P(\frac{T^c}{S}) . P(S) }{P(\frac{T^c}{S}) . P(S) + P(\frac{T^c}{S^c}) . P(S^c) }$

$= \frac{(1 - 0.95)\times 0.3}{ (1 -0.95)0.95 \times 0.3 + (1 - 0.05) \times 0.7}$

= 0.0221

We simply applied the above formulas so that the each part could come

8 0

3 years ago

22/9 divided by 8, please hurry test is timed!

OverLord2011 [107]

Answer:

0.30(5)

the 5 is repeating

Step-by-step explanation:

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3 0

3 years ago

Read 2 more answers

The Marriott family bought a new apartment three years ago for $65,000. The apartment is now worth $86,515. Assuming a steady ra

kirill [66]

The answer is $<span>7171.66.</span>

7 0

3 years ago

aron lei is making identical balloon arrangements for a party. He has 32 maroon balloons and 24 white balloons, he wants each ar

alexandr402 [8]

Answer:

The greatest number of arrangements that he can make if every balloon is used is 8.

Step-by-step explanation:

The greatest number of arrangements will be the greatest common factor between 24 and 32.

GCF of 24 and 32:

We keep factoring both numbers by prime factors, while they can both be divided by the same number. So

24 - 32|2

12 - 16|2

6 - 8|2

3 - 4

There is no factor for which we can divide both 3 and 4. So the GCF is 2*2*2 = 8.

This means that the greatest number of arrangements that he can make if every balloon is used is 8.

5 0

3 years ago