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ladessa [460]
3 years ago
15

Multiple choice (you can choose more than one)

Mathematics
1 answer:
sertanlavr [38]3 years ago
4 0

Answer:

A and D

Step-by-step explanation:

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Which expressions represent rational numbers? Select all the apply.
RUDIKE [14]

Answer:

the answers are A, B, C, and F

Step-by-step explanation:

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8 0
3 years ago
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If f(x)=x+4 and g(x)=x^2-1, what is g(f(x))?
pickupchik [31]

g(f(x)) means plug in f(x) for every "x" in g(x).

g(f(x))=(x+4)^2-1=x^2+8x+16-1=x^2+8x+15

answer: x^2+8x+15

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3 years ago
300 students in a high school freshman class are surveyed about what kinds of pets they have. Of the 300 students, 200 have a do
Ad libitum [116K]

Answer:

C) ½

Step-by-step explanation:

P(C and D) = 150/300

= ½

5 0
3 years ago
What is the distance between the points (-2,4) and (6,-4), rounded to the nearest tenth
jarptica [38.1K]

9514 1404 393

Answer:

  11.3 units

Step-by-step explanation:

The distance can be found using the distance formula:

  d = √((x2 -x1)² +(y2 -y1)²)

  d = √((6 -(-2))² +(-4-4)²) = √(8² +(-8)²) = √(64·2)

  d = 8√2 ≈ 11.3

The distance is approximately 11.3 units.

5 0
3 years ago
Given the two half-reactions, what must be done in the next step before the reaction can be balanced? First: upper A u superscri
kenny6666 [7]

In the first reaction, Gold (Au) gets 3 electrons and became Gold. In the second reaction, Iodine (I) loses 2 electrons and became Iodine.

<h3>What are cations and anions?</h3>

When the atom loses the election then it is called a cation and when it gains the electron is called an anion.

Two reactions are given.

First reaction;

Au³⁺ + 3e⁻ ⇒ Au

In the first reaction, Gold (Au) gets 3 electrons and became Gold.

Second reaction;

2I⁻ ⇒ I₂ + 2e⁻

In the second reaction, Iodine (I) loses 2 electrons and became Iodine.

More about the cation and the anion link is given below.

brainly.com/question/1659592

8 0
2 years ago
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