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DIA [1.3K]
4 years ago
10

Which statement describes the solution to the equation a+5(2a−1)+3=11a−2 ?

Mathematics
2 answers:
tigry1 [53]4 years ago
7 0
A+5(2a-1)+3=11a-2
First thing to do is distribute
5*2a=10a
5*-1=-5
a+10a-5=11a-2
Add the similar numbers together
11a-5=11a-2
Then subtract 
11a-11a
-5=-2
This equation has no solutions
If it had infinity solutions then both numbers on each side would equal the same, ex: -5=-5 
Kaylis [27]4 years ago
7 0
1st distribute

a + 10a - 5 + 3 = 11a -2

Then combine like terms

11a-2 = 11a-2

0=0

Infinite solutions
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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
emmainna [20.7K]
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
5 0
4 years ago
Which equation is a point slope form equation for line AB ?
kolezko [41]
I think the answer is A
5 0
3 years ago
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3. Armani has $7.00 in her purse consisting of nickels, dimes, and quarters. The total
True [87]

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Step-by-step explanation:

3 0
3 years ago
Which ordered pair is the solution to the system of equations? {x+3y=-12, y= 1/3x-6?
Julli [10]

For this, I'll be using the substitution method. Since y = 1/3x - 6, replace the y variable in the first equation with 1/3x - 6 and solve for x:

x+3(\frac{1}{3}x-6)=-12\\ x+x-18=-12\\ 2x-18=-12\\ 2x=6\\ x=3

Now that we have the value of x, plug it into either equation to solve for y:

3+3y=-12\\ 3y=-15\\ y=-5\\ \\ y=\frac{1}{3}*3-6\\ y=1-6\\ y=-5

<h3><u>In short, the solution to this equation is (3,-5).</u></h3>
5 0
3 years ago
PLEASE HELP!! // True Or False ?
Nataliya [291]

Answer:

1. TRUE

2. False

3. TRUE

4. False

5. TRUE

6. False

Step-by-step explanation:

1. 6859^(1/3) = 19 = ∛(19^3)

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2. 2197^(1/3) = 13 ≠ 9·2

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3. 8000^(1/3) = 20 = 10·2

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4. 9261^(1/3) = 21 ≠ 13

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5. 3375^(1/3) = 15 = 5·3

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6. 5832^(1/3) = 18 ≠ 3·7

7 0
3 years ago
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