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sveta [45]
3 years ago
9

Find the area of a rectangle with a length of (4x)^3/2 and a width of 12x^3/4

Mathematics
1 answer:
mojhsa [17]3 years ago
4 0

\bf Area = length\cdot width\implies A = (4x)^{\frac{3}{2}}\cdot 12x^{\frac{3}{4}}\implies A=4^{\frac{3}{2}}x^{\frac{3}{2}}\cdot 12x^{\frac{3}{4}} \\\\\\ A=(2^2)^{\frac{3}{2}}x^{\frac{3}{2}}\cdot 12x^{\frac{3}{4}}\implies A=2^3x^{\frac{3}{2}}\cdot 12x^{\frac{3}{4}}\implies A=8x^{\frac{3}{2}}\cdot 12x^{\frac{3}{4}} \\\\\\ A=(8\cdot 12)x^{\frac{3}{2}}\cdot x^{\frac{3}{4}}\implies A=96x^{\frac{3}{2}+\frac{3}{4}}\implies A=96x^{\frac{6+3}{4}}\implies A=96x^{\frac{9}{4}}

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Answer:

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Step-by-step explanation:

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2 years ago
Wich expression is equivelint-3/4 divided by -8/12
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Answer:

-1 1/8

Step-by-step explanation:

-3/4 / -8/12

= -3/4 * -12/8

= -3*12 / -4*8

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3 years ago
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Lisa [10]

Answer:

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Step-by-step explanation:

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4 0
3 years ago
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Allie has two cars- a truck and a sedan. Last week, she used 3 gallons of gas in the truck and 5 gallons of gas in the sedan and
gavmur [86]

Answer:

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Step-by-step explanation:

try to write the text in mathematical format as a system of equations

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\left \{ {{3t+5s=181} \atop {7t+6s=275}} \right.

first equation can be written as

t= (181-5s)/3

we can use it in the second equation and rewrite it as

7[(181-5s)/3]+6s = 275

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we use this value of s in the first equation

3t + 5*26=181      3t=181-130   t= 51/3 = 17 truck has an average of 17 miles/gallon

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3 years ago
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alex41 [277]

Answer:

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Step-by-step explanation:

f(x)=g(x)

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subtract 2

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divide by 3

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4 0
3 years ago
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