If the sales tax on a $30 item is $1.80, what is the sales tax rate?

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Answer 1

Answer: 30t = 1.80
t = 0.06

0.06*100 = 6

6%

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Ms.groves has trays of paint for students in her art class.eachieve tray had 5 colors. One of the colors is purple. What fraction of the colors in 20 trays is purple
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last month Stephanie spent $57 on 4 allergy shots and 1 office visit .This month she spent $9 after 1 office visit and a refund for 2 allergy shots from her insurance company . How much does an office visit cost an allergy shot?
Sorry if the problem turned out bad, I had to use a scanner.
What's the missing term and missing coefficient of (6a - blank )5a= blank a^2 - 35a

How do yo solve linear equations

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Well, my math teacher told me to use the formula y=mx+b with +b being your y-intercept, mx being your constant or slope, and y= being your answer.EX: Sam is a babysitter who charges a fee of $15 and $5 per hour, how much would she get if she worked for 2 hours.+b would be 15 and m would be 5 and x is 2 and if you solve it would be $25.

At 30 degrees, Edgardo said the temperature was warm enough to go swimming. Did he mean to give the temperature in Fahrenheit or Celsius. Explain.

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30 Fahrenheit is just below the typical freezing temperature of water. 30 Celsius is just a few degrees below normal body temperature . . . nice for casual swimming. Edgardo might also have been referring to 30 degrees latitude.

Certainly in Celsius, because this temperature in Fahrenheit is a low temperature

Esteban has a big jar of change in his room. He has 600 coins total, and 240 of them are pennies. What percentage of the coins are pennies?

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Answer:

600 coins=40%

Which expression represents '' 6 more than x''

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x + 6

It is 6 units larger than x so it is equal to x plus 6 (x + 6)

It is 6 units greater than x so its equivalent to x + 6

Find k if (x-3) is a factor of $k^(2) x^(2) -kx-2$ .

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$w(x)=k^2x^2-kx-2\n\n(x-3)\ is\ a\ factor\ w(x)\ then\ w(3)=0.\n\nSubstitute:\n\nk^2\cdot3^2-k\cdot3-2=0\n9k^2-3k-2=0\n9k^2-6k+3k-2=0\n3k(3k-2)+1(3k-2)=0\n(3k-2)(3k+1)=0\iff3k-2=0\ \vee\ 3k+1=0\n3k=2\ \vee\ 3k=-1\n\n\underline{\underline{k=(2)/(3)\ \vee\ k=-(1)/(3)}}$

k can be (-1/3) or (2/3).
since (x-3) is a factor. if you put x=3 in the equation, it must be equal to zero. So the equation becomes (9k2 - 3k -2 = 0). if you solve this you will get k=(-1/3) and k=(2/3). You can substitute this k in the original equation and check, (x-3) is a factor.

Whats 6÷796 with remaimder

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The answer was : 0.00753768844 I did have to use a calculator for that and I hope that was ok. ;)

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In an experiment, the weight of several oranges were recorded in the table below. During the experiment, some of the oranges were weighed in grams and some were weighed in kilograms. Find the weights of the oranges weighed in grams in kilograms, and then find the weights of the oranges weighed in kilograms in grams.

Simplify negative 9 over 6 divided by 3 over negative 2.

How much must be deposited today into the following account in order to have $ 65,000 in 8 years for a down payment on a house? Assume no additional deposits are made.An account with annual compounding and an APR of 4%$nothing should be deposited today.(Do not round until the final answer. Then round to the nearest cent as needed.)

An oak tree is 1.5 x 10^3 centimeters tall which unit of measurement is most appropriate to measure this height