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pashok25 [27]
3 years ago
7

Order of operations with integerscalculate:

="TexFormula1" title="4( - 12 + 6) \div 3" alt="4( - 12 + 6) \div 3" align="absmiddle" class="latex-formula">
​
Mathematics
1 answer:
iragen [17]3 years ago
4 0

Answer:

-8

Step-by-step explanation:

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A department store buys 300 shirts for a total cost of $7,200 and sells them for $30 each. Find the percent markup.
Novosadov [1.4K]

Answer:

80%

Step-by-step explanation:

because 7200 / 300 equals 24 and 24 / 30 equals .8 so its 80% and if you want to check the answer you take 30 * .8 OR 80% and it gives you 24

3 0
3 years ago
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James and Michael are the partners in a local business. They needed $480,000 to start the
larisa [96]

Answer:

James invested $160,000

Step-by-step explanation:

- In total, they needed $480,000 to start the business

- 1:2 ratio means one of them payed double the amount than the other

so the expression would be,

2x + x = 480,000

Let x represent how much they each need to invest

the expression can be simplified to,

3x = 480,000

now you need to get x alone, this would be done be dividing both sides by 3

\frac{3x}{3} = \frac{480,000}{3}\\x = 160,000

James invest $160,000

Michael invest $160,000 x 2 = $320,000

and if you add them together, you get the total amount

$320,000 + $160,000 = $480,000

Let me know if you have any questions !

7 0
2 years ago
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The solution of 3x+5=x+9 is ____​
vampirchik [111]

Answer:

x=2

Step-by-step explanation:

move x to the 3x side and move 5 to 9 side.

you get 2x=4

then you divide 2 from both sides and get 2

4 0
2 years ago
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PLEASE HELP ASAP!! WILL MARK BRAINLIEST!
pav-90 [236]
Part A:

 For this case we have that the relationship between time and radius is linear.
 We observe that for each day that passes, the radius increases two centimeters.
 Therefore, the linear function is:
 y = 2x
 Since the linear function is exact, the correlation coefficient is:
 r = 1
 Answer:
 
r = 1

 Part B:

 As the linear function is:
 y = 2x
 So for days 1 and 2 the slope of the graph is:
 m = 2
 It means that the radius increases 2 centimeters per day.
 Answer:
 
m = 2

 Part C:

 The data represents a correlation.
 This is because the data follows a linear trend.
 The radius always grows 2 centimeters for each day that passes.
 Answer:
 
Correlation.
7 0
3 years ago
Which is harder linear algebra or abstract algebra?
aliina [53]
They both relatively easy depending on how much time you put into understanding but. But if I have to pick which is harder I’d say linear.
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3 years ago
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