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bazaltina [42]
3 years ago
8

Select all equations that have infinitely many solution ​

Mathematics
1 answer:
Reil [10]3 years ago
4 0

Answer:

1, 2

Step-by-step explanation:

1 and two end up being 0=0 solutions (infinite)

3 is 1 solution.

4 is no solutions.

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Solve the inequality.2/5 ≥ w -3/5 A. w ≤1/2 B. w ≤ 1 C. w ≥ 1 D. w ≤1/5
Sunny_sXe [5.5K]
We must solve   <span>2/5 ≥ w -3/5.  Note that w is already +, so leave it where it now is.  Add 3/5 to both sides of this inequality:

2/5 + 3/5 </span>≥ w  - 3/5 + 3/5

Then:  1 ≥ w, or w ≤ 1  (answer)
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Which measurements could create more than one triangle?
lapo4ka [179]

Answer:

A.

Step-by-step explanation:

The sum of angles of a triangle is 180. if you add 85+45+60 you get 190. That is more than 180.

8 0
2 years ago
The sum of ten times a number and 15 is added to 11 times the same number
grandymaker [24]
10xBx15+11xB is that what you are needing for the answer because you didn't really say what you where looking for.
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2 years ago
On a time quizzed please help
zhuklara [117]

Answer:

Element            Valence electrons

Nitrogen                         5

Silicon                            4

Oxygen                          6

Magnesium                    2

Explanation :

Valence electrons : Valence electrons are the electrons which is present on the outermost shell of the electron.

The given element is nitrogen that belongs to group 15 and the atomic number 7.

The number of electrons present on nitrogen element are 7.

The electronic configuration of nitrogen element is,

The number of valence electrons present on nitrogen element are, 5.

The given element is silicon that belongs to group 14 and the atomic number 14.

The number of electrons present on silicon element are 14.

The electronic configuration of silicon element is,

The number of valence electrons present on silicon element are, 4.

The given element is oxygen that belongs to group 16 and the atomic number 8.

The number of electrons present on oxygen element are 8.

The electronic configuration of oxygen element is,

The number of valence electrons present on oxygen element are, 6.

The given element is magnesium that belongs to group 2 and the atomic number 12.

The number of electrons present on magnesium element are 12.

The electronic configuration of magnesium element is,

The number of valence electrons present on magnesium element are, 2.

Step-by-step explanation:

4 0
2 years ago
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Answer:

what? that doesnt make sense

7 0
2 years ago
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