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SCORPION-xisa [38]

3 years ago

7

Jose has 7 packs of baseball cards. He gives 5 cards from each pack to his friends and has 56 cards left. Write and solve an equ

ation to find how many cards were originally in each pack.

1 answer:

11Alexandr11 [23.1K]3 years ago

3 0

Answer:

13

Step-by-step explanation:

7 packs x 5 cards in each pack given away = 35

there were 56 cards left

56 + 35 = 91 total cards

91 / 7 = 13 cards in each pack

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Do the three points lie on one line?

padilas [110]

Answer:

Yes. No graph paper.

Step-by-step explanation:

Let's say the 3 points are A, B, C.

If A, B and C lie on one line then $m_{AB} = m_{BC} = m_{AC}$

$m_{AB} = \frac{y_{B}-y_{A} }{x_{B}-x_{A}} = \frac{2-6}{3-5} = \frac{-4}{-2} = 2\\m_{BC} = \frac{y_{C}-y_{B} }{x_{C}-x_{B}} = \frac{8-2}{6-3} = \frac{6}{3} = 2\\\\m_{AC} = \frac{y_{C}-y_{A} }{x_{C}-x_{A}} = \frac{8-6}{6-5} = \frac{2}{1} = 2\\\\$

Hence, they lie on one line.

You don't need to use a graph paper to prove it.

4 0

2 years ago

6 more than the difference of b and 5

kirza4 [7]

The answer would be b-5+6

8 0

3 years ago

The team scored 71 points in the last game. Alice, Bianca,Camila,and Dasha each scored 14 points. The remaining 3 girls on the t

poizon [28]

Answer:

5 points

Step-by-step explanation:

Alice, Bianca, Camila, and Dasha each scored 14 points. 14 x 4 = 56

56 + 15 = 71

3 x 5 = 15

The three remaining girls scored 5 points each.

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3 years ago

Vhich expression is equivalent to 6(3x + 4)?

mrs_skeptik [129]

The answer is 18x+24

7 0

3 years ago

7x-4y=-7 5x+y=22 please show work

Keith_Richards [23]

What exactly are you finding

3 0

3 years ago