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borishaifa [10]
3 years ago
5

What would the total bill be of a painting that costs $20.50 with a tax rate of 6%?

Mathematics
1 answer:
ozzi3 years ago
3 0

Answer:

$21.73

Step-by-step explanation:

6% = 0.06

$20.50x0.06 = $1.23

$20.50 + $1.23 = $21.73

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Y + 2 =1/2(x – 3).<br><br> Please help ?!?
Sidana [21]

first, spread the parenthesis. y+2=1/2x-1.5

second, add 1.5 to both sides. y+3.5=1/2x

third, multiply by 2. 2y+7=x

if you are solving for y, do not do the third step, instead, subtract by 3.5. y=x-3.5

hope this helps!

ANSWER: x=2y+7 or y=x-3.5

6 0
3 years ago
You put $500 into an account and left it alone for three years earning simple interest. At the end of three years, you withdrew
OLga [1]

Answer:

that would mean 15$ a year

1.25$ a month

Step-by-step explanation:

hope it helped

5 0
3 years ago
Which equation represents a linear function?<br> Select two answers.
Deffense [45]
Equations that represents a linear function are Answers A and D
5 0
2 years ago
ravis gas tank is 1/2 full .after he buys 2 gallons of gas it is 2/3 full how many gallons can ravis tank hold?
aliya0001 [1]
So
1/2x+2=2/3x
convert to common fraction
1/2=3/6
2/3=4/6
3/6x+2=4/6x
subtract 3/6x from both sides
2=1/6x
multiply boh tisdes by 6
12=x
the tank can hold 12 gallon

8 0
3 years ago
A hypothesis test is to be performed for a population proportion. For the given sample data and null hypothesis, compute the val
liberstina [14]

Answer:

The correct option is a

Step-by-step explanation:

From the question we are told that

    The sample size is n =  415

    The sample proportion is  \r p  = 0.49

Now

     The null hypothesis is  H_o  :  p = 0.3

     The alternative hypothesis is H_a  :  p \ne 0.3

The test statistics is mathematically evaluated as

      t  =  \frac{\r p -  p  }{ \frac{\sqrt{ p (1- p )} }{n} }

substituting values

      t  =  \frac{0.49 -  0.3  }{ \sqrt{ \frac{0.3 (1- 0.3 ) }{415} }}

     t  = 8.446

     

8 0
3 years ago
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