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Contact [7]
3 years ago
7

darnells's car used 8 gallons of gasoline to travel 340 miles.After a mechanic worked on the car it used 7 gallons of gasoline t

o travel 350 miles. If the price of the gasoline was approximately $4.00 a gallon,to the nearest cent per mile,did it cost to run the car after the mechanic worked on it
Mathematics
1 answer:
NemiM [27]3 years ago
4 0
If it is $4.00 per gallon then we need to find the price of 7 gallons.
7 * 4.00 = 28
so it costs $28 to travel 350 miles.
no to find the cost per mile, we need to divide.
350 / 28 = 12.5
so the cost to run the car per mile is $12.50
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What is the LCM of 6 and 8
Oksi-84 [34.3K]
Hello!

LCM stands for "Least Common Denominator."

The LCM is the smallest common multiple of two numbers.

To find the LCM of 6 and 8, follow these easy steps.

1. Find the prime factorization of both numbers.

6 = 2 × 3

8 = 2 × 2 × 2

Next, multiply each factor the number of times we did above.

LCM = 2 × 2 × 2 × 3

LCM = 24

ANSWER:

The LCM of 6 and 8 is 24.

8 0
3 years ago
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Farid uses 8 fluid ounces of lemon juice in one batch of lemonade. How many batches can he
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Answer:

He can make 2 batches of lemonade with 1 pint of lemon juice.

Step-by-step explanation:

First convert 1 pint to ounces

1 pint of lemon juice = 16 fluid ounces

To get the number of batches  that can be made with 1 pint (16 fluid ounces) of lemon juice, we can simply use proportion;

Let x be the number of batches Farid can make with 1 pint(16 fluid ounces) of lemon juice

8 fluid ounces = 1 batch

16 fluid ounces = x

cross-multiply

8x = 16

Divide both-side of the equation by 8

8x/8 = 16/8

x= 2 batches.

Therefore, he can make 2 batches of lemonade with 1 pint of lemon juice.

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3 years ago
5. Write the expression in standard form: -2(4x) + 6(8x)
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3 years ago
a test has 20 multiple-choice questions with 5 choices each, followed by 35 true/false questions. if a student guesses on each q
Nuetrik [128]

Answer

There are 170 ways the student can answer the test.

Explanation

If there are 20 multiple-choice questions with 5 choices each, the student has 100 choices. The first question has 5 choices to pick from. The second has 5 as well. So does the third. Hopefully now you realize that you have to multiply the number of choices by the number of questions.

The same thing goes with the true/false questions. There are 2 choices for each true/false question, and there are 35 of those. 35×2 is 70. There are 70 ways to answer on the true/false questions.

Now combine the number of choices on the first part and the second part; 100+70 is 170.

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3 years ago
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g100num [7]

Answer:

1000

Step-by-step explanation:

100 times 10 = 1000

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