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podryga [215]
3 years ago
14

A basketball team played 15 games and won 80% of them. If the team expects to play 30 games in all, how many more games must it

win to finish the season with a 90% winning percentage?
Mathematics
1 answer:
emmainna [20.7K]3 years ago
5 0
So 80% of 15 games won equal 12 games won and 3 lost. This is because 15/10 = 1.5 and 1.5 x 8 =12.
For 30, you do the exact same thing but with 90% instead. 30/10 = 3. 3 x 9 = 27.
So they need to have won 27 games to get a 90% winning percentage out of 30 games.
But since the question asks how many MORE games they need to play, it'll be 27-12 = 15.
So they need to win 15 more games to get a 90% winning percentage
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Answer is 8

Work Shown:

f(x) = sqrt(5*x + 4)

f(12) = sqrt(5*12 + 4) ... replace every x with 12

f(12) = sqrt(60 + 4)

f(12) = sqrt( 64 )

f(12) = 8

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What is the standard form of the equation y=3/4x-6
umka21 [38]
Answer :

y=3/4x-6

explanation:

it is already in standard form.
6 0
2 years ago
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Nonamiya [84]

22  True  For all real Numbers A and B,  A  -   B   =    -B   +  A

23  True   For all real Numbers  P, Q, and R, P  -  Q  - R  =  P - R  - Q

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26) Examples:

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5 0
3 years ago
A perpetuity pays $50 per year and interest rates are 9 percent. How much would its value change if interest rates decreased to
PtichkaEL [24]

Answer:

We conclude that its value change for 277.8$.

Step-by-step explanation:

We know that a perpetuity pays $50 per year and interest rates are 9 percent.  We calculate how much would its value change if interest rates decreased to 6 percent. We know that

9%=0.09

6%=0.06

We get

\frac{50}{0.09}=555.5

\frac{50}{0.06}=833.3

Therefore, we get 833.3-555.5=277.8

We conclude that its value change for 277.8$.

4 0
3 years ago
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