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Arisa [49]
3 years ago
12

Evalute - 4x when x=9

Mathematics
1 answer:
Paladinen [302]3 years ago
6 0

Answer:

If x=9 then you have to multiply -4 *9. -4*9= -36. Good luck!

Step-by-step explanation:

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The Mississippi River flows at a rate of 2 miles per hour. If Eduardo floats
madam [21]

Answer:

11 1/3 miles

Step-by-step explanation:

5 0
3 years ago
Emily was offered a job after college earning a salary of $35,000. She will get a raise
Svetlanka [38]

Answer:

Step-by-step explanation:

Salary offered to Emily after college = $35000

Rise in her salary = $2000 every year

Let she works for x years in the company,

Salary rise in her salary = $2000x

Total salary after x years = $(35000 + 2000x)

The independent variable x represents NUMBER OF YEARS and dependent variable is the TOTAL SALARY,because the SALARY depends on the NUMBER OF YEARS WORKED.

A function these variables is C(x) = 35000 + 2000x

So, C(4) = 35000 + 2000(4) = 43000, meaning 4 years later Emily will earn a salary $43000.

3 0
3 years ago
Find cos x if sin x cot x = 0.5
vova2212 [387]

Answer:

cos x = 0.5

Step-by-step explanation:

cot x  = (cos x) / (sin x)

sin x (cot x) = 0.5

cos x = 0.5

7 0
3 years ago
Mrs. Smith left a 15% tip for a dinner that cost $62.40. About how much tip did Mrs. Smith leave?​
Veronika [31]

<u>Given </u><u>:</u><u>-</u><u> </u>

  • Mrs. Smith left a 15% tip for a dinner that cost $62.40.

<u>To </u><u>find</u><u> </u><u>:</u><u>-</u><u> </u>

  • About how much tip did Mrs. Smith leave?

<u>Solution</u><u> </u><u>:</u><u>-</u><u> </u>

The tip is 15% of $62.40 .

<u>•</u><u> </u><u>Calculating</u><u> </u><u>1</u><u>5</u><u>%</u><u> </u><u>of </u><u>$</u><u>6</u><u>2</u><u>.</u><u>4</u><u>0</u><u> </u>

  • $ 62.40 * 15%
  • $ 62.40 * 15/100
  • $ 9.36
4 0
3 years ago
Read 2 more answers
May I also have help with this question
KATRIN_1 [288]
The independent variable (the one they want) is the # of hours worked, since that determines the price.

All the other answers contain information not included in the problem
5 0
4 years ago
Read 2 more answers
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