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Korolek [52]
3 years ago
12

Combine like terms to create an equivalent expression: 4z-(-3z)

Mathematics
2 answers:
nordsb [41]3 years ago
3 0
The answer is:  " 7z " .
____________________________________________________

<u>Note</u>:  " 4z - (-3z)  = ? " ; 

Note that "subtracting a negative" is the same thing as "adding a positive" ;

→  " 4z - (-3z)  = 4z + 3z = 7z .
____________________________________________________
The answer is:  " 7z " .
____________________________________________________
charle [14.2K]3 years ago
3 0

7z. 2 negs make a pos. But two wrongs do not make a right.

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When to use Sine and Cosine and Tan Laws
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3 years ago
A sequence is defined recursively by the formula f(n 1) = f(n) 3 . the first term of the sequence is –4. what is the next term i
ch4aika [34]

The sequence whose <em>first</em> term is - 4 and defined recursively by the formula f(n + 1) = f(n) + 3 have the element - 1 as the <em>next</em> term. (Correct choice: B)

<h3>How to determine an element of a sequence</h3>

In mathematics, sequences are sets whose elements observe at least a condition, which is represented by a <em>recursion</em> formula in this question:

f(n + 1) = f(n) + 3

Thus, the following term of the sequence is:

f(2) = f(1) + 3

f(2) = - 4 + 3

f(2) = - 1

The sequence whose <em>first</em> term is - 4 and defined recursively by the formula f(n + 1) = f(n) + 3 have the element - 1 as the <em>next</em> term. (Correct choice: B)

<h3>Remark</h3>

The statement is poorly formatted and reports typing mistakes. Correct statement is:

<em>A sequence is defined recursively by the formula f(n + 1) = f(n) + 3. The first term of the sequence is - 4. What is the next term in the sequence? </em><em>a)</em><em> - 7, </em><em>b)</em><em> - 1, </em><em>c)</em><em> 1, </em><em>d)</em><em> 7</em>

To learn more on sequences: brainly.com/question/21961097

#SPJ1

4 0
2 years ago
Ice Cold Creamery will give a free ice cream maker to anyone who spends at least $100 on buckets of ice cream and frozen yogurt.
kotykmax [81]

Given:

Free ice cream maker to anyone who spends at least $100 on buckets of ice cream and frozen yogurt.

Each bucket of ice cream costs $7.28

Each bucket of frozen yogurt costs $8.21.

To find:

The inequality represents number of ice cream and frozen yogurt that she may buy in addition to get a free ice cream maker.

Solution:

Let i be the number of buckets of ice cream and y be the number of buckets of frozen yogurt.

According to the question, total amount spend on both must be greater than or equal to $100 to get a free ice cream maker.

7.28i+8.21y\geq 100

8.21y\geq 100-7.28i

Divide both sides by 8.21.

y\geq \dfrac{100-7.28i}{8.21}

Therefore, the required inequality is y\geq \dfrac{100-7.28i}{8.21}.

8 0
3 years ago
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Answer:

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Step-by-step explanation:

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