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Anastasy [175]
2 years ago
5

2x+y=10------1 using substitution method

Mathematics
1 answer:
Andrei [34K]2 years ago
8 0
Why is there a bunch of dash marks and then the number one...?
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Round the following numbers to the nearest
AlekseyPX

Answer:

3.6

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Step-by-step explanation:

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What is the value of the fourth term in a geometric sequence for which a1 =<br> 30 and r= 1/2
Tcecarenko [31]

Answer:

3¾

Step-by-step explanation:

Geometric sequence also known as geometric progression, can be said to be a sequence with a constant ratio between the terms.

Formula for geometric sequence:

a^n = a ( n-1 ) * r

Given:

First term, a1 = 30

ratio, r = ½

Required:

Find the fourth term

Where, the first term, a¹ = 30

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Third term: a³ = 15 * ½ = 7.5

Fourth term: a⁴ = 7.5 * ½ = 3.75 = 3¾

Therfore the fourth term of the geometric sequence is 3¾

6 0
3 years ago
Subtraction with Unequal Denominators 3/4 - 2/5=
Veseljchak [2.6K]

Answer:

7/20

Step-by-step explanation:

We need to find a common denominator in this equation, which would be 20. By changing the fractions to this denominator you would simply get 15-8 which equals 7

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Which of the following is equivalent to 7-1/7 2?<br><br>1. 1/343 2. 7 3. 1/49 4. 49<br>PLZ HURRY
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6.999253

Step-by-step explanation:

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