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juin [17]
4 years ago
9

Can someone plz help me on this I really need help

Mathematics
1 answer:
Usimov [2.4K]4 years ago
5 0

When dividing fractions these are the steps you will take:

1. The first number in the expression stays the same. If it is a whole number then you may just place a one in the denominator and keep the numerator as the whole number like so:

\frac{3}{1} ÷ \frac{3}{4}

2. Change the division sign into a multiplication sign

\frac{3}{1} × \frac{3}{4}

3. Take the reciprocal (switch the places of numerator and denominator) of the second number in the expression

\frac{3}{1} × \frac{4}{3}

4. Multiply across

\frac{3*4}{1*3}

\frac{12}{3}

^^^This can be further simplified:

4

Hope this helped!

~Just a girl in love with Shawn Mendes

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Strike441 [17]
<h2>Answer:</h2>

Option: C is the correct answer.

    C.   f(1)=4\\\\f(n)=5\cdot f(n-1)\ ;\ n\geq 2  

<h2>Step-by-step explanation:</h2>

Recursive Formula--

It is the formula which is used to represent the nth term of a sequence in terms of (n-1)th term of the sequence.

Here we are given a table of values by:

            n            f(n)

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i.e. when n=1 we have:

f(1)=4

Also,

f(2)=20\\\\i.e.\\\\f(2)=5\cdot 4\\\\i.e.\\\\f(2)=5\cdot f(1)

Also,

f(3)=100\\\\i.e.\\\\f(3)=5\cdot 20\\\\i.e.\\\\f(3)=5\cdot f(2)

Hence, the recursive formula is:

f(n)=5\cdot f(n-1)\ for\ n\geq 2

5 0
3 years ago
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Answer:

x = - 9, y = -1

Step-by-step explanation:

<em>Given:</em>

<em />\begin{bmatrix}x-2y=-7\\ -3x-2y=29\end{bmatrix}

Solve:

\mathrm{Substitute\:}x=-7+2y

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\mathrm{For\:}x=-7+2y

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\mathrm{Thus, Answer:x=-9,\:y=-1}

[RevyBreeze]

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Answer: 379.94
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The relantionship between the number of $12 dvds you buy and the total cost
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