3 years ago

A company sells DVDs. If you buy 3 DVDs the cost is $23.85, and if you buy 5 DVDs the cost is $34.75. Which is the better deal?

1 answer:

7 0

Answer

the 5 DVDs would be the better deal

Step-by-step explanation:

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Andrew [12]

Answer:

Start by laying out 7 tiles, and then adding 3. Whatever that number of tiles is equals x.

x = 10

10 - 3 = 7

7 0

2 years ago

dsp73

Answer:

$S_{13}$ = 403

Step-by-step explanation:

the sum to n terms of an arithmetic series is

$S_{n}$ = $\frac{n}{2}$ (a + l) ← a is the first term and l the last term

here a = - 5 and l = 67 , then

$S_{13}$ = $\frac{13}{2}$ (- 5 + 67) = 6.5 × 62 = 403

3 0

2 years ago

Mice21 [21]

$|a|= \left\{\begin{array}{ccc}a&if&a\geq0\\-a&if&a \ \textless \ 0\end{array}\right\\\\f(x)=3|x-2|\\\\f(5.9)=3|5.9-2|=3|3.9|=3\cdot3.9=11.7$

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3 years ago

Rama09 [41]

45 and 45 because they are equal and add up to 90 degrees

4 0

2 years ago

Umnica [9.8K]

13 hundreds= 130 tens= 1300 ones

8 0

3 years ago