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2 years ago

art supplies in washington DC cost 28 dollars if the sales tax is 6 percent what was the total cost of supplies

Mathematics

1 answer:

vova2212 [387]2 years ago

5 0

(28 : 100) *6 = 1.68 (tax)

28 + 1.68 = 29.68 (total cost)

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The difference between twice a number, x, and a smaller number, y, is 3. The sum of twice the number and the smaller number is –

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I think the answer is <u>y = 2 x minus 3 and y = negative 2 x minus 3 . </u>

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2 years ago

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3/24 in lowest terms

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3/4 =3/4

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2 years ago

How many solutions does the equation sin(4x)= 3/4?

MAVERICK [17]

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<span>Since sin is a periodic function, add the periodicity.
</span>
$4x=2\pi n+sin^-^1 ( \dfrac{3}{4} ) ,nEZ 

$

$4x=2\pi n-sin^-^1 ( \dfrac{3}{4} ) ,nEZ$

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2 years ago

Albert deposits $2785 in an account that earns 3.9% interest compounded monthly. this function models the amount in the account

Step2247 [10]

The amount for the given data is found as, $\rm a = 2825(1+\frac{3.9}{12} )^{12t}$ .The given expression is true.

<h3>What is the amount?</h3>

The complete repayment of money at the end of the period for which it was borrowed is referred to as the amount.

The given data in the problem is;

P is the annual payment=2827

r is the rate of interest = 3.9%

n is the time period=12

The formula for the amount is found as;

$\rm a = p(1+\frac{r}{n} )^{nt}$

Substitute the given value;

$\rm a = 2825(1+\frac{3.9}{12} )^{12t}$

Hence the given expression is true.

To learn more about the amount, refer to the link: brainly.com/question/12184047.

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1 year ago