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Novosadov [1.4K]
2 years ago
10

Sophia went to see a play at the theater downtown. 8:30 PM. The first act was 55 minutes long. Intermission lasted for 20 minute

s, and the second act was an hour long. What time was it when the play finished?
Mathematics
1 answer:
Westkost [7]2 years ago
8 0
10:45 is when the play is done
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Factor the following polynomial completely.
stiv31 [10]

Answer:

10x^2 (x+2) (x+6)

Step-by-step explanation:

assuming you meant 120 not 1120

10x^4+ 80x^3 + 120x^2

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10x^2 (x^2 +8x+12)

what numbers multiply together to get 12 and add together to get 8

2*6 = 12   2+6 = 8

10x^2 (x+2) (x+6)

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3 years ago
M=
alex41 [277]
50. Slope- -1
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5 0
2 years ago
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suter [353]
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7 0
3 years ago
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A tennis player keeps track of the number of successful first serves he makes. During the first 8 service points of a game, only
Andru [333]

Answer:

He needs 7 more consecutive successful first serves to raise his first serve percentage to 60%.

Step-by-step explanation:

After n consecutive serves, his total number of serves is going to be n+8, since he has already served 8 times. In the best case, his number of successful first serves is n+2.

His percentage of succesful first serves is the division of the number of succesful first serves divided by the total number of serves. So

P = \frac{n+2}{n+8}

We want P = 0.60. So

0.6 = \frac{n+2}{n+8}

n+2 = 0.6*(n+8)

n + 2 = 0.6n + 4.8

n - 0.6n = 4.8 - 2

0.4n = 2.8

n = \frac{2.8}{0.4}

n = 7

He needs 7 more consecutive successful first serves to raise his first serve percentage to 60%.

5 0
3 years ago
Can someone help me with this pls (Algebra 2)
azamat

Answer:

5ab - 8a - 5b - 8

Step-by-step explanation:

each of these can be divided by 5

7 0
2 years ago
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