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Ede4ka [16]
2 years ago
9

30 pens cost $12.50. how much is 75 pens cost

Mathematics
1 answer:
Mice21 [21]2 years ago
5 0

Answer:$31.25

Step-by-step explanation:

$12.50/30=$.42each*75=$31.25

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Does anyone know some questions? it’s for my math help class
vampirchik [111]
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6 0
3 years ago
HELP PLEASE !!!!!!!!!!!!!
kvasek [131]

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Step-by-step explanation:

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2 years ago
What is the value of y in the sequence below<br> 2, У, 18,-54, 162
Maslowich

Answer:

<em>y=-6</em>

Step-by-step explanation:

<em>Geometric Sequences</em>

Any given sequence is said to be geometric if each term a_n can be obtained as the previous term a_{n-1} by a constant value called the common ratio.

a_n=a_{n-1}.r

or equivalently

a_n=a_1.r^{n-1}

Looking closely at the sequence 2, y, 18,-54, 162 we can try to find out if it's a geometric sequence or not. We compute the possible common ratios

\displaystyle \frac{162}{-54},\ \frac{-54}{18} and we see they both result -3. If we use r=-3 and try to find the second term (y), then

y=2*(-3)=-6

Now we compute the third term: (-6)(-3)=18

Since we got the third term as given in the original sequence.

So y=-6

3 0
2 years ago
Captain Daniel has a ship, the H.M.S Crimson Lynx. The ship is two furlongs from the dread pirate Stephanie and her merciless ba
Neko [114]

Answer:

Zero(0)

Step-by-step explanation:

From the given information, we are to determine the probability that both ships are hit given that the pirate shoots first.

There are two scenarios

Since the pirate is to shoot first

  1. If the pirate misses, the Captain's ship is not hit. Therefore there's no chance of both ships getting hit.
  2. If the pirate hits, we are told that if his ship has been hit, Captain Daniel will always miss. Therefore there is also no chance of both ships getting hit.

P(both ships to be hit given that pirate shoots first) =0

6 0
3 years ago
Why is decrease an math a integer and an operation
sergeinik [125]
Decrease means minus or '-'
it is an operation because it opperates or does something to the numbers. it is like a verb

an integer is the thing being operated on.  it is like the noun
6 0
3 years ago
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