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3 years ago

12

An t-shirt was originally priced at 45, but was placed on sale for 10% off the original price. If a sales tax of 8% was added on

to the sale price what did the t-shirt cost at the register, including the tax?

1 answer:

nasty-shy [4]3 years ago

4 0

The t - shirt costed 44.10.

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Enter a digit in each box to complete the division problem.

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There is no picture... what are the equations?

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If f(x)= 3x^3+4 find f(-3)

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The answer would be -77

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Verify the identity.<br> tan(θ) sin(θ) + cos(θ) = sec(θ)

MariettaO [177]

Step-by-step explanation:

first of all

$tan = \ \frac{ \sin}{ \cos }$

put above of equation

(sin/cos)(sin)+cos =sec

sin²/cos +cos=sec

take l.c.m

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as sin ²+cos²=1 so

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3 years ago

Find the explicit formula for the general nth term of the arithmetic sequence described below. Simplify your answer.

Alexandra [31]

$\boxed{a_{n}=-3+8(n-1)}$

<h2>Explanation:</h2>

The explicit formula for the general nth term of the arithmetic sequence is given by:

$a_{n}=a_{1}+d(n-1) \\ \\ \\ Where: \\ \\ a_{n}:nth \ term \\ \\ n:Number \ of \ terms \\ \\ a_{1}:First \ term \\ \\ d:common \ difference$

Here we know that:

$a_{1}=-3 \\ \\ a_{10}=69$

So, our goal is to find the common difference substituting into the formula:

$a_{10}=a_{1}+d(10-1) \\ \\ 69=-3+d(9) \\ \\ Solving \ for \ d: \\ \\ 9d=69+3 \\ \\ 9d=72 \\ \\ d=8$

Finally, we can write the explicit formula as:

$\boxed{a_{n}=-3+8(n-1)}$

<h2>Learn more:</h2>

Geometric series: brainly.com/question/1509142

#LearnWithBrainly

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In the figure below, if BE is the perpendicular bisector of AD, what is the value of x?

dedylja [7]

Both sides would be the same, so set them to equal ans solve for x.

3x+4 = 2x +7

Subtract 4 from each side:

3x = 2x +3

Subtract 2x from each side:

x = 3

The answer is X = 3.

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3 years ago