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Ksivusya [100]
2 years ago
14

A pencil costs $0.50. Write a variable expression for the cost of x pencils.

Mathematics
1 answer:
Otrada [13]2 years ago
4 0
The correct answer is C
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The cost is $6.75 for 1 item. Find the cost of 8 items
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Answer:

$54

Step-by-step explanation:

Multiply the cost by the number of items

6.75x8=54

The cost is $54

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8 because 24 divided by 3 is eight 
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Which expression is equivalent to 18s+9t+36
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18(s+t/2+2)

18(s+t/2+2)

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Two teams A and B play a series of games until one team wins four games. We assume that the games are played independently and t
crimeas [40]

Answer:

4pq(p³+q³)

Step-by-step explanation:

Exactly 5 game would be when 4 wins and 1 loss of a particular person

loss has to be one of the first 4 games

A wins: qp⁴ + pqp³ + p²qp² + p³qp

= qp⁴ + qp⁴ + qp⁴ + qp⁴ = 4qp⁴

B wins: pq⁴ + qpq³ + q²pq² + q³pq

= pq⁴ + pq⁴ + pq⁴ + pq⁴ = 4pq⁴

A wins or B wins:

4pq⁴ + 4qp⁴ = 4pq(q³+p³)

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3 years ago
14. In a game, Theodore received a handful of coins (pennies, nickels, dimes, and quarters) as a prize. When he got home, he fou
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Answer:

Step-by-step explanation:

.

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