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Yuki888 [10]
3 years ago
8

Simplify (4^7/5^2)^3

Mathematics
2 answers:
zloy xaker [14]3 years ago
8 0

Answer:

281,474,976.7

Step-by-step explanation:

we have from statement:

(4^7/5^2)^3

we can write:

4^7=4*4*4*4*4*4*4

5^2=5*5

so we have:

(4*4*4*4*4*4*4/5*5)^3=(16,384/25)^3

(16,384/25)^3= (655.36)^3

(655.36)^3= 655.36*655.36*655.36=281,474,976.7

dolphi86 [110]3 years ago
4 0
You first multiply 7 by itself 4 times which is 2401. Then you divide by 25 because 5 to the power of 2 is 25. Then you multiply by itself 3 times which gives you 885,842.381
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Answer:

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3 years ago
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anastassius [24]
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3 years ago
With a detailed explanation from the internet<br> 1/(x-5)+3/(x+2)=4
irga5000 [103]

Answer:

\boxed{ \sf x=\dfrac{4\pm\sqrt{43}}{2}}

Explanation:

\rightarrow \sf \dfrac{1}{x-5}+\dfrac{3}{x+2}=4

<u>make the denominators same</u>

\rightarrow \sf \dfrac{1(x+2)}{(x-5)(x+2)}+\dfrac{3(x-5)}{(x+2)(x-5)}=4

<u>join the fractions together</u>

\rightarrow \sf \dfrac{x+2+3x-15}{(x-5)(x+2)}=4

<u>cross multiply</u>

\rightarrow \sf x+2+3x-15=4(x-5)(x+2)

<u>simplify</u>

\rightarrow \sf 4x-13=4x^2-12x-40

<u>group the variables</u>

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<u>use quadratic formula</u>

\rightarrow \sf x = \dfrac{-\left(-16\right)\pm \sqrt{\left(-16\right)^2-4\cdot \:4\left(-27\right)}}{2\cdot \:4}

<u>simplify the following</u>

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7 0
2 years ago
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Lisa [10]
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4 0
2 years ago
Roger made $25 profit on the stamp collection costing him $125. What was his profit as a percentage of the cost price?
SVETLANKA909090 [29]
STEP-BY-STEP SOLUTION:

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3 years ago
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