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3 years ago

9

Please help with numbers 9 and 10!

1 answer:

photoshop1234 [79]3 years ago

4 0

Answer:

ooooooooooooooooof sorry i dont get it

Step-by-step explanation:

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What's 57.5 times 18.5?

Rudik [331]

Answer:

1063.75

Step-by-step explanation:

That’s your final answer brother :)

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3 years ago

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The mass of Saturn is 5.686 × 10^26 tonnes. The mass of Earth is 6.04 × 10²¹ tonnes. How many times heavier is Saturn than Earth

andrey2020 [161]

We simply divide the mass of Saturn with the mass of Earth.
5.686 x 10^26 / 6.04 x 10^21

The rule of significant figures when dividing numbers is that the least amount significant figures must be used in the quotient.

Therefore, Saturn is 9.41 x 10^4 times heavier than Earth.

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4 years ago

Jaime is 2 years older than Alejandra. In 5 years the sum of their ages will be 80. How old is Jaime now?

Dima020 [189]

Answer:

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3 years ago

Let f(x) = -4x - 2 and g(x) = 5x - 6. Find f*g and state its domain.

elixir [45]

Answer: The answer is (c) $-20x^2+14x-12;\textup{ all real numbers.}$

Step-by-step explanation: Given that there are two functions f and g, defined by

$f(x)=-4x-2,\\\\g(x)=5x-6.$

We are to find f*g and also its domain.

$(f*g)(x)\\\\=f(x)g(x)\\\\=(-4x-2)(5x-6)\\\\=-20x^2+24x-10x-12\\\\--20x^2+14x-12.$

Also, its domain will be all real numbers, since the function f*g is defined at all 'x' in real numbers.

Thus, the correct option is

$-20x^2+14x-12.$

6 0

3 years ago

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- 45 + 9 find the sum

olganol [36]

Answer:

-36

Step-by-step explanation:

Hope this helps!!!

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