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yanalaym [24]
2 years ago
11

Simplify : 14z + 8y - 5 + 9y - 10z

Mathematics
2 answers:
Ugo [173]2 years ago
6 0

Answer:

17y+4z-5

Step-by-step explanation:

Mariulka [41]2 years ago
4 0

Answer:

4z + 17y - 5

Step-by-step explanation:

14z + 8y - 5 + 9y - 10z

4z + 8y - 5 + 9y

4z + 17y - 5

(Brainliest please?...)

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Read 2 more answers
Express the terms of the following geometric sequence recursively.
BabaBlast [244]

Answer:

The most correct option for the recursive expression of the geometric sequence is;

4. t₁ = 7 and tₙ = 2·tₙ₋₁, for n > 2

Step-by-step explanation:

The general form for the nth term of a geometric sequence, aₙ is given as follows;

aₙ = a₁·r⁽ⁿ⁻¹⁾

Where;

a₁ = The first term

r = The common ratio

n = The number of terms

The given geometric sequence is 7, 14, 28, 56, 112

The common ratio, r = 14/7 = 25/14 = 56/58 = 112/56 = 2

r = 2

Let, 't₁', represent the first term of the geometric sequence

Therefore, the nth term of the geometric sequence is presented as follows;

tₙ = t₁·r⁽ⁿ⁻¹⁾ = t₁·2⁽ⁿ⁻¹⁾

tₙ =  t₁·2⁽ⁿ⁻¹⁾ = 2·t₁2⁽ⁿ⁻²⁾ = 2·tₙ₋₁

∴ tₙ = 2·tₙ₋₁, for n ≥ 2

Therefore, we have;

t₁ = 7 and tₙ = 2·tₙ₋₁, for n ≥ 2.

4 0
3 years ago
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aev [14]
Suppose in 1992 Chris was x years old, his brother was then 2x years old.
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x+6=(4/3)x+4
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in 1992, Chris was 6, so in 2018 he will be 6+(2018-1992)=32 years old. 
7 0
3 years ago
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