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r-ruslan [8.4K]
2 years ago
14

Greg thinks of a number, multiplies it by 3, subtracts 5 and then multiplies by 2. His answer is 26. What number did Greg think

of?​
Mathematics
1 answer:
soldi70 [24.7K]2 years ago
8 0

Answer:

x

3x

3x-5

2(3x-5)

so

2(3x-5)=26

3x-5=13

3x=18

x=6

he thought of 6

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Equation of the line passing through (7,5) and (1, 2)​
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Answer:

y = \frac{1}{2}x + \frac{3}{2}

Step-by-step explanation:

Assuming this is a linear equation in the form of y = mx + b, we can first solve for the slope using \frac{y_2 - y_1}{x_2 - x_1}, for these points, the slope would be \frac{1}{2}. Now we plug in the points to get the equation:

plugging in (7,5), we get 5 = \frac{1}{2} ×7 + b

and solving for b, we get b = \frac{3}{2}

therefore, the equation of the line passing through (7,5) and (1,2) is y = \frac{1}{2}x + \frac{3}{2}.

hope this helps!

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2 years ago
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The answer is circled in yellow.

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What is the volume of the rectangular prism?<br> 5 cm<br> 8 cm<br> 1 cm<br> cm3
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Step-by-step explanation:

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3 years ago
The point (4,-2) is the vertex of the graph of a quadratic function. The points (8,6) and (2,0) also fall on the graph of the fu
Elina [12.6K]

Answer:

Step-by-step explanation:

y = ax² + bx + c

~~~~~~~

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a(4²) + b(4) + c = - 2

a(8²) + b(8) + c = 6

a(2²) + b(2) + c = 0

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64a + 8b + c = 6 ............... <em>(2)</em>

4a + 2b + c = 0 ................. <em>(3)</em>

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Part B: (0,6)

Part C: (6, 0)

Part D: [ 4, ∞ )

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3 years ago
David made a class banner out of a large rectangular piece of paper. He cut a
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Answer:

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Step-by-step explanation:

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So the area of the banner is 112 in² − 12 in² = 100 in².

6 0
3 years ago
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