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ra1l [238]
3 years ago
7

an airplane model has a scale of 1 to 30. if the model has a length of 14 inches, what is the actual length of the airplane in f

eet?
Mathematics
1 answer:
Dmitry_Shevchenko [17]3 years ago
6 0

Answer:

420 inches

Step-by-step explanation:

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3 years ago
Whoever answers the questions correctly gets brainlist
andrew11 [14]

Answer:

2. B

3. B

4. 2(7k+5h)

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Step-by-step explanation:

2) "X decreased by the sum of 2x + 5" Decreased means to be lowered, so that means this problem has subtraction in it. It also says x is being decreased BY the sum of 2x + 5 so that means 2x + 5 needs to be solved, which calls for parentheses. B best fits the description.

3) It is B because if you distribute the 8 to 2a and 3b, you'll get 16a and 24b, which is the given expression.

4) The given expression is 10h + 14k and in the equivalent expression, you are given 5h. To get from 10 to 5, you must divide by 2. This tells you that 2 is being distributed, so you put 2 before the parentheses. Since you divided 10 by 2, you want to do the same to 14, which is 7. Therefore, it is 2(7k+5h).

5) You are given the hourly charge, which is $25. This means that they charge $25 per hour/for every hour. You want to find the cost for 13 hours, so you multiply the hourly charge by 13 hours. 25 x 13 = 325.

7 0
3 years ago
What is the completely factored form of this expression?
Eddi Din [679]

Answer:

B.

(3x + 4)(x − 7)

Step-by-step explanation:

If you multiply.

3x2-21x+4x-28

3X2-17x-28

8 0
3 years ago
A typical construction worker makes $120 in eight hour work day in Arizona. How much do they make per hour?
son4ous [18]

Answer:

$15

Step-by-step explanation:

Simply divide 120 by 8 to get your answer.

6 0
3 years ago
Read 2 more answers
24-x/x = 1/2 find x please i need help
Aliun [14]

Answer:

No Solution

Step-by-step explanation:

There are no values of  x  that make the equation true.

3 0
2 years ago
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