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Alex_Xolod [135]
4 years ago
12

5.6÷7=8 is it a reasonable quotient

Mathematics
1 answer:
Licemer1 [7]4 years ago
6 0

5x6=30

30/7=4.393939349958

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5 0
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HELP!!
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A cookie recipe required 1 1/3 cups of sugar. If Mrs. Lee has 7 cups of sugar, how many recipes of cookies can she bake? Need an
Vitek1552 [10]
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3 0
3 years ago
What is the expression for f(x) when we rewrite <br> (5⁻⁴ˣ⁺⁷)÷(125x) as 5^f(x)
alexandr402 [8]

Answer: The answer is f(x) = -7x + 7.


Step-by-step explanation:  We are give a relation as follows :

5^{-4x+7}\div 125^x=5^{f(x)}.

From here, we need to find the expression for f(x).

Here, we will be using the following properties of exponents :

(i)~\dfrac{a^x}{a^y}=a^{x-y}.\\\\(ii)~a^x=a^y~\Rightarrow x=y.

We have

5^{-4x+7}\div 125^x=5^{f(x)}\\\\\Rightarrow5^{-4x+7}\div 5^{3x}=5^{f(x)}\\\\\\\Rightarrow \dfrac{5^{-4x+7}}{5^{3x}}=5^{f(x)}\\\\\\\Rightarrow 5^{-4x+7-3x}=5^{f(x)}}\\\\\Rightarrow 5^{-7x+7}=5^{f(x)}\\\\\Rightarrow -7x+7=f(x).

Thus, the required expression is f(x) = -7x + 7.




8 0
3 years ago
A sum of money becomes 8/5 of itself in 5 years at a certain rate of simple interest. Find the rate of interest???​
pogonyaev
The rate of intrest is 5 because i said so
3 0
3 years ago
Read 2 more answers
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