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AVprozaik [17]
3 years ago
5

The sum of three consecutive terms x, y and z of an arithmetic progression is 45. If y=1/2(x+z), find the value of y.​

Mathematics
1 answer:
Len [333]3 years ago
3 0

Answer:

y = 15

Step-by-step explanation:

x + y + z = 45 → (1)

Given

y = \frac{1}{2}(x + z)

Multiply both sides by 2 to clear the fraction

2y = x + z ← substitute into (1)

2y + y = 45

3y = 45 ( divide both sides by 3 )

y = 15

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3 years ago
7th grade math help me please :(.
Anettt [7]
6a: 11x+9
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8 0
3 years ago
. Toby invested £4500 for 2 years in a savings account. He was paid 4% per annum COMPOUND
Anton [14]

Answer:

£4867.2

Step-by-step explanation:

Given data

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The compound interest expression

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4 0
2 years ago
Solve the equation: n + 32 = 60.
Digiron [165]
N + 32 = 60

First, so basically, we are trying to find a number that can add up with 32 to equal 60. The easiest route to solve this is to simply take 32 and subtract it from 60.
n = 60 - 32

Second, once we subtract, we will be given the answer and know what 'n' is. Subtract 60 - 32 to get your answer. 60 - 32 = 28
n = 28

Third, know that we know that the answer to 'n' is 28, we can check it by adding 28 + 32. Your answer should be 60, and 28 is the correct answer.

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