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tekilochka [14]
3 years ago
8

When x=1/2, what is the value of 8x-3/x

Mathematics
1 answer:
Viefleur [7K]3 years ago
6 0
8x - 3/x

x = 1/2

(8 • 1/2) - 3/0.5

4 - 1.5

2.5
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14.4 A Book and a Cake A book costs $45. Sales tax on the book is 7%. Write two different expressions that represent the final c
snow_tiger [21]

Answer: 1. $45*1.07 | $45(1.07) 2. (0.85)*32 represent the final price of the cake in dollars because (0.85) is the 15% off in decimals.

Step-by-step explanation:

1 if you multiply 45 by 1.07 it will be 48.15 and that's the final cost of the book, same with $45(1.07) is just another way to represent the multiplication.

2 As I said the 0.85 represent the 15% off, and when you multiply it will be less.

3 0
3 years ago
6x+8y=5 and 3x+4y=-2
Feliz [49]

ANSWER If you solve for x you get -4/3 y+5/6                                                                            If you solve for y you get -3/4x +5/8.

Step-by-step explanation

and then the second answer is    

If you solve for x you get-4/3y +-1/2

If you solve for y you get -3/4x +-1/2

3 0
3 years ago
Rouns thia number to the nearest thousand 1,995,298
alexdok [17]

1,995,000

The number after the thousands place is 2, which is less than 5 so the thousands place is rounded to 5,000 instead of 6,000.

7 0
3 years ago
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The perimeter of a rectangle is 96cm its shortest side has a length of 5cm state the length of the longest side​
Rainbow [258]

Answer:

43cm

Step-by-step explanation:

96-10 (5 x2 sides)=86

86/2 sides=43 longest side

4 0
3 years ago
Find the value of the expression 2xy^3 if x=3 and y=-2?
Nadusha1986 [10]
So this question basically asks what is 2 x 3 x -2³ and that equals 6 x -8 = -48
6 0
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