3 years ago

Please help me guys

Mathematics

1 answer:

Mariana [72]3 years ago

5 0

Answer:

Example 11 answer = 12

Step-by-step explanation:

40, 36, 32, 28

is an arithmetic sequence.

The first term (a) is 40

The common difference (d) is -4

The formula for finding the nth term ( $X_{n}$ in an arithmetic sequence is;

$X_{n}$ = a + d(n - 1)

$X_{8}$ = 40 + -4(8 - 1)

$X_{8}$ = 40 - 28 = 12

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3 years ago

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$10-\frac{3x-1}{2} =\frac{6x+3}{11}$

$10 = \frac{6x+3}{11} + \frac{3x-1}{2}$

$10 = (\frac{6x+3}{11} \times \frac{2}{2} ) + (\frac{3x-1}{2} \times \frac{11}{11} )$

$10 = ( \frac{2(6x + 3)}{22} ) + ( \frac{11(3x - 1)}{22} )$

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7 0

2 years ago

Please help me guys ​

Please help me guys