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Naddik [55]
3 years ago
5

Subtracting 3xy2 from 8xy2 gives the same result as the expression

Mathematics
1 answer:
denpristay [2]3 years ago
5 0
The last one 7xy^2 - 2xy^2.

They both give you 5xy^2
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Does anyone have any idea on how to do this? I have notes for it but i just don't understand how to get to the answer.. and if t
Igoryamba

yes, i know how to do it

3 0
3 years ago
Please help show that the following are TRUE.
mafiozo [28]

Answer:

  see below

Step-by-step explanation:

The formula for the sum of an infinite geometric series with first term a1 and common ratio r (where |r| < 1) is ...

  sum = a1/(1 -r)

Applying this to the given series, we get ...

a. sum = 5/(1 -3/4) = 5/(1/4) = 20

b. sum = d/(1 -1/t) = d/((t-1)/t) = dt/(t-1)

_____

The derivation of the above formula is in most texts on sequences and series. In general, you write an expression for the difference of the sum (S) and the product r·S. You find all terms of the series cancel except the first and last, and the last goes to zero in the limit, because r^∞ → 0 for |r| < 1. Hence you get ...

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7 0
3 years ago
How do you solve the math equation
GalinKa [24]
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3 years ago
Solve the quadratic equation.
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3 0
3 years ago
Read 2 more answers
How do i solve this inequality? Number 46
myrzilka [38]
6(x-2.5) ≥ 8-6(3.5+x)

A number is before a parenthesis. The first step is to multiply.

6(x-2.5) = 6x -15

8-6(3.5+x)
2(3.5+x)= 7+2x

6x-15≥7+2x

Now solve

6x-15≥7+2x
-2x -2x

(-2x+2x)= They cancel out

(6x-2x)= 4x

4x-15≥7
+15 +15

4x≥22
/4 /4

You get= x≥5.5
7 0
3 years ago
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