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Alik [6]
3 years ago
12

10._____NaBr+____CaF2 -> ____NaF+____CaBr2

Mathematics
1 answer:
fomenos3 years ago
5 0

Answer:

2NaBr + CaF2 --> 2NaF + CaBr2 gives you:

2Na                        2Na

2Br                         2F

1Ca                         1Ca

2F                           2Br

This is balanced.

Step-by-step explanation:

2,1,2,1.

In a balanced chemical equation, the number of particular atoms on the right side of the equation is equal to the number of that atom on the left side of the equation.

As in the left side of the equation, there are 2 F atom and 1 Br. While on the right side there are 1 F and 2 Br. S for the balancing, we will put coefficient to the equation.

And the equation will be:

2NaBr + CaF2 → 2NaF + CaBr2

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The geometric sequence shown can be represented by the function y = (1/2) ^ n where the domain of the function is
meriva

Answer:

<em>Correct Answer: D</em>

Step-by-step explanation:

<em>Geometric Sequence </em>

We can find each term of a geometric sequence if we have the general formula by replacing n for any integer number in the given domain. n must be an integer because it's the position where the term is located. For example, a_2 is the term located in position 2, so n cannot be irrational or decimal. The sequence provided is

\displaystyle y=\left( \frac{1}{2} \right )^n

The variable n starts from 0 and has no limit, so the domain is a set of integers

\{0,1,2,3,4...\}

\boxed{\text{Correct Answer: D}}

3 0
4 years ago
Which formula can be used to sum the first n terms of a geometric sequence?
Taya2010 [7]

<u>Answer:</u>

The correct answer option is B. S _ n = a _ 1 [ \frac { 1 - r ^ n } { 1 - r } ].

<u>Step-by-step explanation:</u>

The following is the formula that is used to find the sum of a geometric progession:

S _ n = a _ 1 [ \frac { 1 - r ^ n } { 1 - r } ]

where S_n is the sum, a_1 is the first term, r is the common ratio while n is the number of terms.

6 0
3 years ago
Read 2 more answers
Six percent of 32 is what number
Alisiya [41]

Answer:

the answer is 48/25 in fraction form and 1.92 in decimal form.

8 0
3 years ago
What does 1.5 times more than that mean? Like for an example, Ken ate x grams of almonds, and Han ate 1.5 times more than that?
fgiga [73]
Its like eating one portion and a half. So, you eat a portion, and then you eat a portion half of what you just ate. Hence why 3 times 1.5 is 4.5, because 3+1.5 equals 4.5
3 0
3 years ago
Previ
denpristay [2]

The length of the line segment with endpoints at (0, 3) and  (-6, -5) is 10 units

<h3>What is an equation?</h3>

An equation shows the relationship between two or more numbers and variables.

The distance between two points A(x₁, y₁) and B(x₂, y₂) on the coordinate plane is:

AB=\sqrt{(y_2-y_1)^2+(x_2-x_1)^2}

The line segment have endpoints at (0, 3) and  (-6, -5). Hence:

Length = √[(-5-3)² + (-6 - 0)²] = √(8² + 6²) = √100 = 10

The length of the line segment is 10 units

Find out more on equation at: brainly.com/question/2972832

#SPJ1

6 0
1 year ago
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