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crimeas [40]
3 years ago
11

Heather paid $1,493.30 for a computer. If the price paid includes a 9% sales tax, which of the following equations can be used t

o determine the price of the computer after tax?
(Let x represent the cost of the computer and y represent the total cost after tax.)
A. y = 1.09x
B. y = 0.91x
C. y = 1.9x
D. y = x + 9x
Mathematics
1 answer:
aliina [53]3 years ago
3 0
A because x is the original price, so you multiply by the tax (9%) which would convert to 1.09 which you would multiply to the x

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3 years ago
Find the distance between the two points in simplest radical form.
Jlenok [28]

Answer:

d=\sqrt{58}\approx7.6

Step-by-step explanation:

To find the distance between any two points, we can use the distance formula:

d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2

Our first point, A, is at (1, 1) and our second point, B, is at (-2, 8).

Let's let A(1, 1) be (x₁, y₁) and B(-2, 8) be (x₂, y₂). Substitute this into the distance formula:

d=\sqrt{(-2-1)^2+(8-1)^2

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d=\sqrt{(-3)^2+(7)^2

Square:

d=\sqrt{9+49}

Add:

d=\sqrt{58}

This cannot be simplified.

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6 0
3 years ago
A fish tank has 16 gallons, the length is 7 feet and the width is 2 feet.Find the hypotenuse length using the Pythagorean theore
ollegr [7]
The Pythagorean Theorem states that a² + b² = c², c being the hypotenuse.


Substitute known values into the equation.

7² + 2² = c²
49 + 4 = c²
c² = 53
c = √53
c = 7.28010989


Answer: The hypotenuse's length is 7.3 feet.
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4 years ago
What are the values of X and why
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<h2>#1 as in first answer</h2><h2></h2>

8 0
3 years ago
a town has a population of 16000 and grows at 2% every year. to the nearest tenth of a year, how long will it be until the popu
miss Akunina [59]
20100 = 16000 * (1.02)^ t

20100/16000 = 1.02^t

1.25625 = 1.02^t

log 1.25625 = t * log 1.02

t = log 1.25625 / log 1.02
= 11.5
8 0
3 years ago
Read 2 more answers
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