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Alex
3 years ago
14

Someone help me please .

Mathematics
2 answers:
prohojiy [21]3 years ago
5 0
<h3>Answer: C) nonmetal</h3>

This element has 8 protons, so element is oxygen. I recommend looking at the periodic table of elements. At standard temperature and pressure (STP), oxygen is a gas, so that puts it in the nonmetal category.

Side note: Metalloids are a collection of elements where they share properties of metals and nonmetals (in a way they're on the fence).

Natali5045456 [20]3 years ago
3 0
The answer is C. Sorry if it’s wrong
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The polynomial function F(x)= 2x^2 +4 has a critical point at which of the
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It costs 3 tickets to play a game at the fair. If you spent 21 tickets on the game, which equation could you use to solve for th
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4 0
2 years ago
Given: ∠A and ∠B are complementary angles.
Eddi Din [679]

Answer:

 - For the statement -3x=24, the reason is: <em>Subtraction property of Equality</em>

- For the statement x=-8, the reason is: <em>Division property of Equality.</em>

- For the statement m\angle B=-6(-8)-39, the reason is: <em>Substitution property of Equality.</em>

Step-by-step explanation:

The missing pictures are attached.

We must remember that:

- The Subtraction property of Equality states that:

If\ a=b,\ then\ a+c=b+c

- The Division property of Equality states that:

If\ a=b,\ then\ \frac{a}{c}=\frac{b}{c}

- The Substitution property of Equality states that:

 If\ a=b,\ then\ b\ can\ replace\ a

Knowing this properties we can identify the missing reasons that correctly complete the proof.

 - For the statement -3x=24, the reason is:

Subtraction property of Equality

(Because it is obtained by subtracting  66 from both sides of -3x+66=90)

- For the statement x=-8, the reason is:

Division property of Equality

(Because it is obtained by dividing both sides of  -3x=24 by -3)

- For the statement m\angle B=-6(-8)-39, the reason is:

Substitution property of Equality

(Because it is obtained by substituting the value of "x" into   m\angle B=-6x-39)

7 0
3 years ago
Can somebody help me Graph y=-3/2X-3???
Igoryamba

Step-by-step explanation:

try desmos its a life saver

8 0
3 years ago
Finally, divide both sides of 15=5x by 5 what is the result???
Westkost [7]

Answer:

x = 3

Step-by-step explanation:

15 = 5x

15/5 = 5x/5

3 = x

x = 3

5 0
2 years ago
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