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3 years ago

Factor. 25x^12-36y^14

Mathematics

1 answer:

Ugo [173]3 years ago

4 0

The answer is: $(5x^{6}+6y^{7}) (5x^{6} - 6y^{7})$

To get answer: Factor $25x^{12} -36y^{14}$

$-36y^{14} +25x^{12}$

$= (6y^{7} +5x^{6})(-6y^{7}+5x^{6})$

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Of 20 test scores, four are less than or equal to 85. What is the percentile rank of a test score of 85

N76 [4]

Answer:

Bottom 20% percentile

Step-by-step explanation:

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3 years ago

You roll a six sided die. What is the probability of rolling a 4 or an odd number.

Sedbober [7]

The numbers on a 6 sided die are 1 to 6 inclusive. The odd numbers are 1,3,5

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4 years ago

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If y varies directly as x and inversely as z, and y = 32 whe x = 4 and z = 6, find y when x = 10 and z = 26

LuckyWell [14K]

The value of y is 18.46 when x=10 and z = 26

Step-by-step explanation:

The direct proportion is denoted as:

y∝x

And the inverse proportion will be denoted as:

y∝1/z

combining both

y∝ x/z

When the symbol of proportionality is removed, the proportionality constant is introduced

$y = k\frac{x}{z}$

Given

y = 32 when x=4 and z = 6

Putting the values

$32 = k * \frac{4}{6}\\k = 32 * \frac{6}{4}\\k = 8*6\\k = 48$

So the equation will become:

$y = 48* \frac{x}{z}$

Putting x=10 and z= 26

$y = 48 * \frac{10}{26}\\y = \frac{480}{26}\\y = 18.4615$

Hence,

The value of y is 18.46 when x=10 and z = 26

Keywords: Proportion, variation

Learn more about proportion at:

#LearnwithBrainly

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3 years ago

Find the quotient of 5+4i/6+8i , and express it in the simplest form

Sergio [31]

Remember: i² = -1

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4 years ago

Y+4−1=18 i need help plz

d1i1m1o1n [39]

Answer:

y=15

Step-by-step explanation:

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3 years ago

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