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Pachacha [2.7K]

3 years ago

8

Margie and four of her friends are eating lunch at a restaurant. The total bill is $52.50 before tax and tip. Part A: Margie has

a coupon good for $10 off their total purchase. If sales tax of 6% is collected on the discounted amount, what is the total cost after tax?

1 answer:

maksim [4K]3 years ago

7 0

The answer is $45.65.

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I dont completely know but it might be 3

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If you are going somewhere that is 60 miles away and you're going 40 miles per hour the whole time how long will it take you to

Masja [62]

Velocity * time = distance

40 (miles / hour) * t (hours) = 60 (miles)

Take note how the units work. miles/hour * hours = miles. This is an indication that a formula we picked is correct.

Now, looking at our formula (and neglecting units at this point)

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3 years ago

What divided by 9 is -11?

Black_prince [1.1K]

Answer:

-99 divided by 9 is -11

Step-by-step explanation:

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3 years ago

Y = 100 (1- 1/2) ^t<br><br> decay or growth

charle [14.2K]

Answer:

Decay

Step-by-step explanation:

We are given an equation $y=100(1-0.5)^t$

We need to say about decay or growth of exponential function.

Exponential function: $y=a\cdot b^x$

Where,

a is initial value of exponential function.
b is decay or growth of function

For decay: 0<b<1

For growth: b>1

Now we rewrite the equation into this form

$y=100(1-0.5)^t$

Changes to

$y=100(0.5)^t$

Here, b=0.5 < 1

Therefore, The given function would be decay.

Thus, $y=100(1-0.5)^t$ is deacy.

8 0

3 years ago