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sergeinik [125]
3 years ago
10

15. The cost of an article including 15% for taxes is

Mathematics
2 answers:
dexar [7]3 years ago
7 0

Answer:

$120

Step-by-step explanation:

Set the cost of the article pre-tax as x.

<em>x + 0.15x = 138</em>

<em>1.15x = 138</em>

<em>x = 138/1.15</em>

<em>x = </em><u><em>$120</em></u>

<u><em /></u>

Answer: the cost of the article without  taxes is <u>$120</u>.

fgiga [73]3 years ago
3 0
Yesfgggggdfjhfdd. Ffckk teci hfc
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PLZ HELP ME ASAP<br> algebra 2 word problem
Ostrovityanka [42]

Give each month a number:

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February = 1

March = 2

April = 3

Now set X to 3 in the equation ad solve for t.

t = -30cos(x/6) +60

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t = 33.672 degrees. ( Round as necessary)

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8 0
3 years ago
(-5,-7),(0,-5),(5,-3) Determine the intercepts of the line that passes through the following points.
creativ13 [48]

Answer:

  • x-intercept (12.5, 0)
  • y-intercept (0, -5)

Step-by-step explanation:

The slope of the line is ...

... (change in y)/(change in x) = (-3 -(-5))/(5 - 0) = 2/5

The y-intercept is given: (0, -5).

The slope-intercept form of the equation can be written from this information as ...

... y = (2/5)x - 5

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7 0
4 years ago
Which ratio is equivalent to 9 : 180?
Irina18 [472]

Answer:B

Step-by-step explanation:

9 : 180 = 1 : 20

5: 200 = 1:40

12:240 = 1 : 20

10 : 400 = 1 : 40

8 : 560 = 1 : 70

give brainliest

4 0
3 years ago
Read 2 more answers
Step by step Instructions
spin [16.1K]
Yo need to complete the “PEMDAS” step by step left to right .
P:parentheses
E: exponents
M: multiplication
D: division
A: addition
S: subtraction

I hope I have helped you . Complete those steps left from right and you should get it .
6 0
4 years ago
Read 2 more answers
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Alecsey [184]
Okay so let me show u with the work:

U divide pay by hour = pay/hour

22.5/5 = 4.5

21.00/3.5 = 6

6 > 4.5

6-4.5 = 1.5

So the answer will be b.) $1.50
7 0
3 years ago
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