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hram777
1 month ago
6

A taxi charges a flat rate of $3.00, plus an additional $0.50 per mile. Carl will only take the taxi home if the cost is under $

10, otherwise he will take a bus. Carl is 15 miles from home. Explain how to write and solve an inequality to determine if Carl will take the taxi or a bus.
Mathematics
2 answers:
babunello [11.8K]1 month ago
8 0
Unfortunately, Carl cannot take the taxi, primarily due to financial constraints. To demonstrate this, we begin by forming an inequality to tackle the issue. Let x signify the mileage. The relevant inequality is 0.50x + 3 < 10. If we substitute x with 15, it becomes ($0.50 * 15) + $3 < $10. It’s crucial to use a less than sign (<) because Carl requires the fare to be below, not equal to, the limit. We calculate by multiplying 0.50 and 15, yielding $7.5. Substituting that value back into the inequality, we have $7.5 + $3 < $10. A simple addition reveals that Carl falls short by 50 cents, confirming his inability to afford the taxi fare, and thus he must take the bus.
PIT_PIT [12.4K]1 month ago
6 0
Define x as the distance in miles. This scenario can be expressed with the inequality 0.5x + 3 < 10, where x corresponds to the miles traveled. To solve this, begin by subtracting 3 from each side, followed by dividing everything by 0.5. The outcome indicates x < 14, meaning Carl can cover less than 14 miles, though he is 15 miles away from his destination; therefore, he will opt for a bus instead.
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Cheese costs $4.40 per pound. Find the cost per kilogram. (1kg = 2.2lb)
AnnZ [12381]

Answer:

The price amounts to $9.70 per kilogram.

Step-by-step explanation:

This can be resolved using the rule of three.

In a rule of three scenario, the first step involves determining how the values are related, whether directly or inversely.

A direct relationship implies that when one measure increases, the corresponding measure also increases. In this case, cross multiplication serves as the method for the rule of three.

Alternatively, an inverse relationship indicates that an increase in one measurement causes a decrease in the other. In this scenario, line multiplication applies.

Here, the relationship is between the weight of the cheese and its cost. As the weight rises, so does the expense, representing a direct proportion.

Solution:

According to the problem, cheese is priced at $4.40 per pound. Given that each kg equals 2.2 pounds, we can deduce how many kg correspond to one pound.

1 pound - x kg

2.2 pounds - 1 kg

2.2x = 1

x = \frac{1}{2.2}

x = 0.45 kg

Given that cheese costs $4.40 for a pound, and there are 0.45 kg in one pound, we calculate the cost for 1 kg.

$4.40 - 0.45 kg

$x - 1 kg

0.45x = 4.40

x = \frac{4.40}{0.45}

x = 9.70

The price is $9.70 per kilogram.

6 0
1 month ago
Holly bought 23 tickets to the baseball game. She got a group rate that gave her $4 off of the regular ticket price for each tic
Leona [12618]

Answer:

The standard ticket price was $12.

Step-by-step explanation:

Let’s denote P the normal ticket price, which would total

23P if she had purchased tickets for that amount.

However, since Holly received a $4 discount on each ticket, her cost for one ticket became

P-4

and with 23 tickets, her total cost was

23(P-4)

amounting to $184; thus, we conclude

23(P-4)=184

we will solve this equation as follows:

23(P-4)=184

23P-4(23)=184

23P-92=184

23P=276

\boxed{ P=12}

Therefore, the regular price amounted to $12.

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26 days ago
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To illustrate 1 hundredth (or 1%) on a grid consisting of 100 units, shade only 1 unit. In contrast, to illustrate 1 tenth (or 10%), you would shade 10 units. A visual representation of the grid would be helpful for further explanation.
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lawyer [12517]
According to the details provided in the question, m∠2 = 41°, m∠5 = 94°, and m∠10 = 109°. Since ∠2 is congruent to ∠9 (alternate interior angles), we establish that m∠2 = m∠9 = 41°. Utilizing the angle sum property, we have m∠8 + m∠9 + m∠10 = 180°, leading to m∠8 + 41 + 109 = 180°. Thus, m∠8 equates to 30°. From the triangle's angle sum, m∠2 + m∠7 + m∠8 = 180°, resulting in 41 + m∠7 + 30 = 180°. Consequently, m∠7 calculates to 109°. Also, m∠6 + m∠7 = 180°, so m∠6 comes to 71°. Given that m∠5 + m∠4 = 180°, we have m∠4 = 86°. Lastly, using the triangle angle sum theorem again, m∠4 + m∠3 + m∠9 = 180°, so m∠3 calculates to 53°. Thus, through the angle relationship, m∠1 + m∠2 + m∠3 = 180°, leading to m∠1 = 86°.
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