3 years ago

Lindy bought a DVD for $19.90. Sales tax is 6%. What is the total cost of her purchase? (show work)

Mathematics

2 answers:

Colt1911 [192]3 years ago

7 0

Answer:

go on weegy your answer should pop up on there

Step-by-step explanation:

lord [1]3 years ago

5 0

Answer:

Step-by-step explanation:

19.90 + 0.06(19.90) =

19.90 + 1.19 =

21.09 <===

what ur doing here is taking the price of the DVD (19.90) and adding 6% of 19.90 which is 1.19, back to the original price for a total of 21.09

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A, B, and C are collinear points, where B is between A and C. Find x if AB = x, BC = x + 6, and AC = 24. Then find the measures

Alekssandra [29.7K]

Answer:

AB = 9, BC = 15

Step-by-step explanation:

Since, A, B, and C are collinear points, where B is between A and C. i. e. A - B - C

$\therefore AC = AB + BC\\\therefore 24 = x + x + 6\\\therefore 24 = 2x + 6\\\therefore 24 - 6 = 2x \\\therefore 18 = 2x \\ \therefore \: \frac{18}{2} = x \\ \therefore \: x = 9$

$\therefore AC = AB + BC\\\therefore 24 = x + x + 6\\\therefore 24 = 2x + 6\\\therefore 24 - 6 = 2x \\\therefore 18 = 2x \\ \therefore \: \frac{18}{2} = x \\ \therefore \: x = 9 \\ \because \: AB = x \\ \huge \red{ \therefore AB = 9} \\ \\ \because \:BC = x + 6 \\ \therefore \: BC = 9 + 6 \\ \huge \purple{ \therefore \: BC = 15}$