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Hoochie [10]
2 years ago
11

Given an = 3n-5, what is the common difference?

Mathematics
1 answer:
belka [17]2 years ago
5 0

Answer:

3

Step-by-step explanation:

A common difference is found in arithmetic sequences. The simplified formula for arithmetic sequences, which is what is used here, is a_{n}=dn-a_{0}. Where d is the common difference and a_{0} is the zeroth term. So, in the given equation 3 must be the common difference.

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Answer:

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3 years ago
Convert 11.42424242 … to a rational expression in the form of , where b ≠ 0.
statuscvo [17]

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4 0
3 years ago
Karen's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Karen $5.80 per pound, and type
Elina [12.6K]

Answer:

76

Step-by-step explanation:

A + B = 127

5.80A + 4.25B = 657.55

Solve with substitution.

5.80A + 4.25(127 − A) = 657.55

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8 0
2 years ago
Help me please with numbers 1-8 I'm stuck!!
siniylev [52]
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5 0
3 years ago
WHAT IS 3/8 DIVIDED BY 1/2
serious [3.7K]

Answer: 3/4

Step-by-step explanation: Dividing by a fraction is the same as multiplying by its reciprocal. In other words, we can change the divison sign to multiplication and flip the second fraction.

So here, 3/8 divided by 1/2 can be rewritten as 3/8 × 2/1.

Now we are simply multiplying fractions so we multiply across the numerators and we multiply across the denominators.

So we have 3 × 2 which is 6 and 8 × 1 which is 8. Since 6/8 is not in lowest terms, we divide the numerator and the denominator by the greatest common factor of 6 and 8 which is 2 and we get the equivalent fraction 3/4.

Therefore, 3/8 divided by 1/2 is 3/4.

7 0
3 years ago
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