3 years ago

The Question’s above.

Mathematics

1 answer:

Nastasia [14]3 years ago

3 0

Answer:

What questions above?

Step-by-step explanation:

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Does the equation open up or down?<br> Y = -3x2 +7x - 2

Helga [31]

Answer:

Opens downward, like a frowning face

Step-by-step explanation:

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3 years ago

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Prove the divisibility of the following numbers:

yan [13]

$8^{10}-8^9-8^8=8^8(8^2-8-1)=8^8(55)$

$81^7-27^9-9^{13}=3^{28}-3^{27}-3^{26}=3^{26}(3^2-3-1)=3^{26}(5)=3^{24}(45)$

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3 years ago

1. If 27.4578 is increased by 9.3456, what is the answer?

Dahasolnce [82]

Answer:

36.8034

not sure.....

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3 years ago

Travis bought a pair of shoes that originally cost $74.99 the shoes were on sale for 20% off and sales tax was 7% approximately

DedPeter [7]

The answer is astro world, because he sent people to see Juice World instead:

Step-by-step explanation:

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3 years ago

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Use the construction in proof of the Chinese reminder theorem to find all solutions to the system of congruence:

antoniya [11.8K]

Answer:

17,101,185, 269,.... is the solution.

i.e. x≡17 mod(84) is the solution

Step-by-step explanation:

Given that the system is

$x ≡ 2 ( mod 3 )x ≡ 1 ( mod 4 )x ≡ 3 ( mod 7 )$

Considering from the last as 7 is big,

possible solutions would be 10,17,24,...

Since this should also be 1(mod4) we get this as 1,5,9,...17, ...

Together possible solutions would be 17, 45,73,121,....

Now consider I equation and then possible solutions are

5,8,11,14,17,20,23,26,29,...,47,....75, ....

Hence solution is 17.

Next number satisfying this would be 101, 185, ...

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3 years ago