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Bingel [31]
3 years ago
15

What is the explicit formula for this situation?

Mathematics
1 answer:
emmasim [6.3K]3 years ago
3 0

Answer:

D

Step-by-step explanation:

i did it with eliminating choices

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Find y<br>Solve the simultaneous <br>equations<br><br><br>3x + 2y = 27 3x - Y = 9<br>​
lutik1710 [3]

Answer:

y = 6

Step-by-step explanation:

To find y, we need to eliminate x in this system of equations:

3\cdot x + 2\cdot y = 27 (1)

3\cdot x - y = 9 (2)

From (1) and (2):

x = \frac{27-2\cdot y}{3}

x = \frac{9+y}{3}

Then, we equalize both expressions and solve for y:

\frac{27-2\cdot y}{3} = \frac{9+y}{3}

27-2\cdot y = 9 + y

3\cdot y = 18

y = 6

6 0
3 years ago
A blueprint of a sailboat has a sail in the shape of a
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Answer:

Step-by-step explanation:

T is at (1,2)

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4 0
3 years ago
Solve each equation for y<br><br> 2x+y=5<br><br> 2x-y+=5<br><br> x+2y=5
frosja888 [35]

Answer:

1. y=5-2x

2. -y=5-2x

3. \frac{5 - x}{2}

Step-by-step explanation:

1. 2x+y=5

y=5-2x

2. 2x-y=5

-y=5-2x

3. x+2y=5

2y=5-x

\frac{5 - x}{2}

<h2>please mark me brainliest</h2>
4 0
2 years ago
a red lamp flashes every 10 seconds ,a yellow lamp flashes every 24 seconds and a blue lamp flashes every 30 seconds.How many ti
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3 years ago
What is -11/4 plus -11/8
Valentin [98]

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-4.125

Step-by-step explanation:

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