3 years ago

Which of the following sets are not well-defined?

Mathematics

1 answer:

Julli [10]3 years ago

3 0

Set of all counting number

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What is the solution of the system of equations? Y=-3x+8 Y=-5x+2

olganol [36]

Answer:

x=-3 y=17 (-3;17)

Step-by-step explanation:

-3x+8-y=0

-5x+2-y=0

-2x-6=0

So: x=-3

While....by substituting: y=17

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3 years ago

Find the value of x:

cluponka [151]

5x - 20 = 8x - 65
-20 = 3x - 65
3x = 45
x = 15

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What is the greatest number that can be divided evenly into 78 and 104 without leaving a remainder?

irga5000 [103]

Answer:

26 can be divides evenly into 78 and 104 without leaving a remainder

Step-by-step explanation:

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3 years ago

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2/5x = -3/15 + 1/x x=0 x=15 x=5 x=3

Taya2010 [7]

Answer:

x = 3

Step-by-step explanation:

$\dfrac{2}{5x}=-\dfrac{3}{15}+\dfrac{1}{x}\\\\\dfrac{1}{5}=\dfrac{5-2}{5x}\qquad\text{add $\frac{3}{15}-\frac{2}{5x}$}\\\\x=3\qquad\text{multiply by 5x}$

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3 years ago

The volume of the figure below is 120 cubic inches. Solve for x

rosijanka [135]

Answer:

Step-by-step explanation:

Volume of triangular prism=120in³

Area of triangle ×length =120in³

1/2×6×x×4=120in³

12x=120

X=120/12=10in

8 0

2 years ago