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3 years ago

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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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

3 years ago