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mafiozo [28]
3 years ago
8

Simplify the expression 8x² + x - 5 + (2x² - 9x + 13) *

Mathematics
1 answer:
Elena-2011 [213]3 years ago
7 0

Answer: 10x^2-8x+8

I have explained detaled answers below in the link.

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What is the probability of rolling a pair of dice and getting a sum that is not 8?
storchak [24]

Answer:

1/7

Step-by-step explanation:

You have a 8 sided die and yo roll it you also have 7 other sides so its 1/7

6 0
2 years ago
your baseball team has won 6 games and lost 4 games. if the team does not lose any more games, how many games must the team win
puteri [66]

Answer:

<em></em>

<em>The team must win 2 games to have a win : loss ratio o 2.</em>

Step-by-step explanation:

  • <u>Ratio win : loss, r</u>:

       r = total wins / total losses

       

  • <u>Total wins, Tw</u>:

        Call n the number of new wins:

        Tw =number of wins until so far + number of new win = 6 + n

  • <u>Total losses, Tl</u>:

        Tl = number of losses so far + number of new losses = 4 + 0 = 4

  • <u>Target ratio</u>:

        r = 2 ⇒ Tw / Tl = (6 + n) / 4 = 2

Solve for n:

  • (6 + n ) = 4 × 2
  • 6 + n = 8
  • n = 8 - 6
  • n = 2

Hence,<em> the team must win 6 more games.</em>

  • <u>Verification</u>: (6 + 2 ) / 4 = 8 / 4 = 2, which is the target ratio.

8 0
3 years ago
Evaluate the function f(x)= x^2 + 2x + 8 at the given values of the independent variable and
tresset_1 [31]
Question a:
f(6) = (6)² + 2(6) + 8

f(6) = 36 + 12 + 8

f(6) = 56

Question b:
f(x+4) = (x+4)² + 2(x+4) + 8

f(x+4) = x² + 8x + 16 + 2x + 8 + 8

f(x+4) = x² + 10x + 32

Question c:
f(-x) = (-x)² + 2(-x) + 8

f(-x) = x - 2x + 8
8 0
2 years ago
I need help fast can someone please help
Leya [2.2K]
The answer is A . Linear
7 0
3 years ago
Read 2 more answers
Help x3<br><br> 4 1/4 + __________ = 7 1/2
yulyashka [42]

Answer:

4 1/4 + 3 1/4 = 7 1/2

Step-by-step explanation:

To make 1/4 to 1/2 You would need 1/4, because 2/4 make 1/2

7-4= 3 so therefore you would have 3 1/4

7 0
3 years ago
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