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vaieri [72.5K]
3 years ago
8

Evaluate the expression when b=-3 and x = 2 . 6x-b

Mathematics
1 answer:
Rudik [331]3 years ago
6 0

Answer:

15

Step-by-step explanation:

You have to insert the values for b and x into the formula.

6(2) - (-3)

Then you simplify.

12+3

15

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A rectangular block of metal is 0.24 m long, 0.19 m wide and 0.15 m high. If the metal block is melted to form a cube, find the
DanielleElmas [232]
<h3>Answer: approximately 0.19 meters long</h3>

The more accurate value is 0.18982439916059 but this value isn't exact

========================================================

Explanation:

The volume of this rectangular block is 0.24*0.19*0.15 = 0.00684 cubic meters.

If we had a cube of this volume, then it has some side length x such that x^3 = 0.00684

Apply the cube root to both sides. This is the same as raising both sides to the 1/3 power

x^3 = 0.00684\\\\x = \sqrt[3]{0.00684}\\\\x = (0.00684)^{1/3}\\\\x \approx 0.18982439916059\\\\x \approx 0.19\\\\

The side length of the cube is approximately 0.19 meters long

7 0
3 years ago
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Sry if i’m wrong but i’m pretty sure he can spend $200 since you alr take out 30.
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3 years ago
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finlep [7]

Answer: Y= 2/3x + 9

Explanation: The equation is in slope-intercept form, y=mx+b. Since it is parallel to the equation, it has the same slope (2/3x) and since b is the x intercept, b is 9.

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Answer:

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Step-by-step explanation:

3(x-5)=9

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3x-15+15=9+15

3x=24

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Step-by-step explanation:

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