3 years ago

Help please due tomorrow

Mathematics

1 answer:

Nadusha1986 [10]3 years ago

7 0

Answer:

Can you put a fraction. It is 1/3

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Find two numbers such that the sum of their squares is 100. The square of the larger number is equal to the sum of the product o

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Answer with Step-by-step explanation:

Let x and y are two numbers

According to question

$x^2+y^2=100$ ....(1)

Suppose x is larger than y

$x^2=x(4y+8x)$

$x=4y+8x$

$x-8x=4y$

$-7x=4y$

$y=-\frac{7}{4}x$

Substitute the value of y

$x^2+(-\frac{7}{4}x)^2=100$

$x^2+\frac{49}{16}x^2=100$

$\frac{16x^2+49x^2}{16}=100$

$\frac{65}{16}x^2=100$

$x^2=\frac{16\times 100}{65}$

$x=\sqrt{\frac{1600}{65}}=\frac{40}{\sqrt{65}}=\frac{40}{65}\sqrt{65}=\frac{8}{13}\sqrt{65}$

$y=-\frac{7}{4}\times \frac{8}{13}\sqrt{65}=-\frac{14}{13}\sqrt{65}$

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erastovalidia [21]

Answer:

1053 m^3

Step-by-step explanation:

Pyramid top 1/3 * 9 * 9 * 12 = 324 m^3

Base 9 * 9 * 9 = 729 m^3

total 1053 m^3

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Which statement is true about polynomial 5s^6t^2 + 6st^9 - 8s^6t^2 - 6t^7 after it has been fully simplified?

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Answer: 3t²(2st⁷ - s⁶ - 2t⁵)

Step-by-step explanation:

5s⁶t² + 6st⁹ - 8s⁶t² - 6t⁷ 5s⁶t² and - 8s⁶t² are like terms which = -3s⁶t² when combined

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= 3t²(2st⁷ - s⁶ - 2t⁵)

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