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Lana71 [14]
3 years ago
14

When multiplying or dividing a negitive and postive, your result will be​

Mathematics
1 answer:
astraxan [27]3 years ago
8 0
Your result will be Negative
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HELP NEEDED PLEASE!
tigry1 [53]

Answer:

the answer is about 62

Step-by-step explanation:

3 0
3 years ago
Use sigma notation to represent the sum of a geometric series with a first term of 3 and a common ratio of . A. B. C. D.
maksim [4K]

Answer:

\Sigma_{k=1}^{n}[3(\frac{10}{9} )^{k-1}]

Step-by-step explanation:

A geometric sequence is a list of numbers having a common ratio. Each term after the first is gotten by multiplying the previous one by the common ratio.

The first term is denoted by a and the common ratio is denoted by r.

A geometric sequence has the form:

a, ar, ar², ar³, . . .

The nth term of a geometric sequence is ar^{n-1}

Therefore the sum of the first n terms is:

\Sigma_{k=1}^{n}(ar^{k-1})

Given a geometric series with a first term of 3 and a common ratio of 10/9, the sum of the first n terms is:

\Sigma_{k=1}^{n}[3(\frac{10}{9} )^{k-1}]

5 0
3 years ago
What is the difference of the polynomials [m²n²-7]-(mn+4)
AleksAgata [21]
You can do addition and substraction operations with polynomials similarly as with simple real numbers.


First of all you have to open brackets and then you can add numbers (-7-4=-11). Then the result is following:
(m^2n^2-7)-(mn+4) =m^2n^2-7-mn-4=m^2n^2-mn-11
5 0
3 years ago
Please help!!! I NEED HELP!
Anna11 [10]

Answer:

the answer is 28

Step-by-step explanation:

i guessed ngl

5 0
3 years ago
Kelly is knitting a scarf for her brother. It took her 2/3 hour to knit 5/6 foot of the scarf. How fast is Kelly's knitting spee
juin [17]

Answer:

C. 4/5 feet per hour

Step-by-step explanation:

All you wanna do is to divide 2/3 and 5/6

then you'll have 4/5

Hoped this helps!

4 0
3 years ago
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