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ArbitrLikvidat [17]
2 years ago
8

How would u rewrite 4/5 and 1 2/3

Mathematics
1 answer:
ExtremeBDS [4]2 years ago
6 0

Step-by-step explanation:

division fractions that's how u will rewrite them

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abdul bought 3 cds that were each the same price. including sales tax, he paid a total of $47.40. of that total, $2.70 was tax.
satela [25.4K]

Answer: the price of each CD before tax is $14.9

Step-by-step explanation:

Let x represent the price of each CD before tax.

Abdul bought 3 CDs that were each the same price. It means that the total cost of the 3 CDs before tax is $3x.

Including sales tax, he paid a total of $47.40. Of that total, $2.70 was tax. It means that

3x + 2.7 = 47.4

3x = 47.4 - 2.7

3x = 44.7

x = 44.7/3

x = 14.9

the price of each CD before tax is $14.9

3 0
2 years ago
Evaluate –9x - 8<br> When x = -4
Paha777 [63]

Answer: 28

Step-by-step explanation:

Given -9x - 8

if x=-4

Then  -9(-4) - 8

negative 9 times negative 4 is positive 36.

36-8=28

6 0
2 years ago
Read 2 more answers
Use the general solution to solve 5 – 6x = 8х + 17.
GaryK [48]

Answer:

-6/7

Step-by-step explanation:

5 – 6x = 8x + 17  

<=> 5 - 17 = 8x + 6x

<=> -12 = 14x

<=> x = -6/7

7 0
3 years ago
Jane was asked to find the factors of 8. Here is her work:
alexdok [17]
Jane did not show factors of 8, she showed multiples of 8. Factors of 8 would be 1, 2, 4, and 8
3 0
3 years ago
Which of the following is NOT a valid definition of a derivative?
NeTakaya

Answer:

C. f'(x) = lim(h→0) [(f(x+h) − f(x)) / h]

Step-by-step explanation:

The first derivative is the slope between two points as the distance between those points approaches 0.  Slope is Δy/Δx.  Choice D is a valid way to write the first derivative.  It is the slope between the points (x, f(x)) and (x+h, f(x+h)).  Choice C is not a valid definition.

8 0
3 years ago
Read 2 more answers
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