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sveta [45]
2 years ago
9

Marina wants to buy a sound system that costs $540. The sales tax rate in her state is 8.25% how much sales tax must she pay?​

Mathematics
1 answer:
ANTONII [103]2 years ago
8 0

Answer:$44.55

Step-by-step explanation:

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The class of math is mapped on a coordinate grid with the origin being at the center point of the hall. Mary’s seat is located a
nignag [31]
To find the distance b/t 2 points you need to use the distance formula. that is

distance = square root of (x2-x1)^2 + (y2-y1)^2


to fill it in, it is

(it doesnt matter which point you start with, as long as its consistent)

x1 = 9
x2 = 5
y1 = -8
y2 = -10

square root of (5-9)^2 + (-10-8)^2

lets do algebra!

square root of (-4)^2 + (-18)^2

square root of 16 + 324

square root of 340


Distance = 18.4391 units.

I hope this helps!
7 0
2 years ago
Which expression is equivalent to (5^(3))^(2)
yarga [219]

Answer:

Step-by-step explanation:

(a^{m} )^{n} = a^{mn}

(5^{3} )^{2} = 5^{3*2} = 5^{6} = 15,625

3 0
2 years ago
How to write 7.5 as a fRACTION
alexdok [17]
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6 0
3 years ago
each face of cabinet 413S is in the shape of a rectangle. What is the volume of Model 413S in cubic feet? Dimension are 24 by 72
lbvjy [14]
To calculate a volume of a rectangle prism, a cabinet we only need to multiply the dimensions it has, those are height, width, deep:
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7 0
2 years ago
The measures of three angles of a triangle are given by (8x - 5), (2x)º, and (3x – 10). What is the measure of the largest angle
zhannawk [14.2K]

Answer: 115°

Step-by-step explanation:

We should note that the sum of the angles that are in a triangle is equal to 180°, therefore we will add the angles given and equate them to 180°. This will be:

(8x - 5) + (2x) + (3x - 10) = 180

8x - 5 + 2x + 3x - 10 = 180

Collect like terms

8x + 2x + 3x = 180 + 5 + 10

13x = 195

x = 195/13

x = 15

The angles are:

8x - 5 = 8(15) - 5 = 120 - 5 = 115°

2x = 2(15) = 30°

3x - 10 = 3(15) - 10 = 45 - 10 = 35°

Therefore, the largest angle is 115°

3 0
2 years ago
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