3 years ago

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

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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

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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

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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
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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

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

$t = 8.446$

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3 years ago