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salantis [7]
3 years ago
9

What is the solution to the equation sqrt n= sqrt 3n-3 +1?​

Mathematics
1 answer:
inna [77]3 years ago
3 0
The answer would be n = 1
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How do you solve this: $32 earrings marked up 80 percent
Taya2010 [7]
Formula for markup
sales price = original price × ( 1 + rate )

So in this case it would be...
sp = $32 × ( 1 + .80 ) 
         $32 × ( 1.80 )
sp = $57.60

formula for discount ( if you need it ) 
sales price = original price × ( 1 - rate )
Just remember that the rate is the percentage ( to convert to a percentage to a decimal just move the decimal two places to the left )
3 0
3 years ago
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A probability model for rolling a cube with faces numbered 1 through 6 is:
Strike441 [17]

Answer:

P(a)= Your desired outcome / The number of real outcomes.

Step-by-step explanation:

Ex. Probability model for rolling a 1 on a 6 sided die -  

1 (desired outcome) / 6 (Number of real outcomes)

Let me know if you need more help!

3 0
3 years ago
The sales tax for an item was $19.20 and it costs $480 before tax. Find the sales tax rate. Write your answer as a percentage
Zigmanuir [339]

Answer:

sales tax rate = 4%

Step-by-step explanation:

In this problem formula to express one term in percentage is used

To express x as percentage of y is given by (x/y*100) %

______________________________________________

Cost of item = $480

sales tax = $19.20

we have to find sales tax rate.

sales tax rate is percentage of cost price which will levied as tax .

thus, we have to find sales tax as percentage of cost price.

using the percentage cost as given above

sales tax as percentage = sales tax/ cost of item *100

sales tax as percentage = 19.20/480 *100 = 4%

Thus, sales tax rate is 4%.

It means that if cost price of item is $100 then $4 will be the sales tax for the item.

5 0
2 years ago
Anyone can help asap?
Varvara68 [4.7K]

Company A: 120 + 0.50x

Company B: 60 + 0.60x

Company A = Company B (solve for x)

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120 + 0.50x = 60 + 0.60x

120 - 60 = 0.60x - 0.50x

60 = 0.10x

600 = x

7 0
3 years ago
What is the length x of PQ
Bas_tet [7]

Answer:

11.2

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If the rectangulars are similar then we can use similarity ratio to calculate value of x

CD is similar to RS and AB is similar to QP

4/6.4 = 7/x cross multiply expressions

4x = 44.8 divide both sides by 4

x = 11.2

6 0
2 years ago
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