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Monica [59]
4 years ago
10

What is the next number in the sequence 1,2,3,5,8,13,21,?

Mathematics
1 answer:
soldier1979 [14.2K]4 years ago
5 0
The next number in the sequence is 34. as you add the previous two numbers to get the next.
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Evulate a^2 - b^2 if a=4 and b= -2
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Answer:

20

Step-by-step explanation:

4^2 = 16

-2^2 =-4

16 -(-4) =20

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Which of the following best defines a postulate
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A postulate is a true statement that does not require to be proved . Also called an axiom.
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The function f(n) represents an arithmetic sequence where the first term is 5 and each term increases by 5.What is f(8)?
tekilochka [14]

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40

Step-by-step explanation:

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Step-by-step explanation:

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What is the value of y in the solution to the system of equations? 1/3x + 1/4y = 1 2x-3y=-30​
Zepler [3.9K]

Answer:

<h2>y = 8</h2>

Step-by-step explanation:

\left\{\begin{array}{ccc}\dfrac{1}{3}x+\dfrac{1}{4}y=1&\text{multiply both sides by 12}\\2x-3y=-30\end{array}\right\\\left\{\begin{array}{ccc}12\!\!\!\!\!\diagup^4\cdot\dfrac{1}{3\!\!\!\!\diagup_1}x+12\!\!\!\!\!\diagup^3\cdot\dfrac{1}{4\!\!\!\!\diagup_1}y=12\cdot1\\2x-3y=-30\end{array}\right\\\left\{\begin{array}{ccc}4x+3y=12\\2x-3y=-30&\text{multiply both sides by (-2)}\end{array}\right\\\underline{+\left\{\begin{array}{ccc}4x+3y=12\\-4x+6y=60\end{array}\right}\qquad\text{add both sides of the equations}

.\qquad9y=72\qquad\text{divide both sides by 9}\\.\qquad y=8

6 0
4 years ago
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