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diamong [38]
2 years ago
10

A square has an apothem measuring 2.5 cm and a perimeter of 20 cm. what is the area of the square, rounded to the nearest square

centimeter? 13 cm2 25 cm2 50 cm2 100 cm2
SAT
2 answers:
trasher [3.6K]2 years ago
7 0

Answer:

B

Explanation:

Elan Coil [88]2 years ago
3 0

Answer:

B. 25 cm2

Explanation:

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What is the denominator of the simplified expression? 2 n
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The expression \frac{2n}{6n + 4} * \frac{3n + 2}{3n - 2} is a product expression

The denominator of the simplified fraction is 3n -2

<h3>How to determine the denominator?</h3>

The expression is given as;

\frac{2n}{6n + 4} * \frac{3n + 2}{3n - 2}

Divide the first fraction by 2/2

\frac{n}{3n + 2} * \frac{3n + 2}{3n - 2}\\

Evaluate the above product

\frac{n}{3n - 2}

The above fraction is a simplified fraction of \frac{2n}{6n + 4} * \frac{3n + 2}{3n - 2}, and the denominator is 3n - 2

Hence, the denominator of the simplified fraction is 3n -2

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Suppose a company makes an investment and opens another factory
maks197457 [2]

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circle the correct terms for the reaction going from left to right. reactant a gains/loses and electron to become product B
Effectus [21]

The question requires one to indicate the correct terms for the reactant from left to right.

<h3>What is a reactant?</h3>

A reactant is a material that enters and changes during a chemical reaction.

1. Reactant A (Gains/Loses) and electron to become product B

To produce B, reactant A loses one electron. The loss of one electron from an atom causes the atom to be oxidized.

Reactant A gives an electron to NAD+ and is transformed to B+ in the given reaction there is an increase in the positive charge. As a result, reactant A is oxidized to produce B+.

2. NAD+ becomes reduced in the process of the reaction.

NAD+ receives the electron given to it by reactant A and is reduced to NADH. As a result, the positive charge of NAD+ decreases.

3. NADH is more reduced than NAD+

NAD+ receives an electron and becomes NADH. As a result, NADH is decreased more than NAD+

4. NAD+ is in the more oxidized state compared to NADH

NAD+ has a surplus of positive charge as opposed to NADH. NAD+ must receive one electron in order to produce NADH. As a result, as opposed to NADH, NAD+ is more oxidized.

5. Reactant A is the electron donor in this reaction.

Reactant A loses one electron, resulting in positively charged B+. This electron is taken up by NAD+, which reduces to NADH. As a result,  the electron donor is reactant A.

6. Reactant A is the reducing agent in this reaction.

A reducing agent is a molecule that can transfer electrons.

Such a molecule has the potential to decrease another molecule while also becoming oxidized. Reactant A is the reducing agent in the given reaction, donating an electron to NAD+.

Following the electron transfer, reactant A is oxidized to product B+, and NAD+ is reduced to NADH.

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mrs_skeptik [129]

Answer:

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