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3 years ago

What is 9+10? is it 21?

Mathematics

2 answers:

AleksandrR [38]3 years ago

8 0

Answer:

I know the joke your trying to pull of :>

Step-by-step explanation:

But if u really need help it's 19

VladimirAG [237]3 years ago

6 0

10+9=19

instead of 21

Hope you liked

<h2>Thank You </h2>

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Galina-37 [17]

Answer: C) 150°

Step-by-step explanation: all the angles are the same

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2 years ago

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A function f defined by f(x) = x² + px + q is such that f(3) = 6 and f¹(3) = 0. Find the value of q.

CaHeK987 [17]

Answer:

q = 15

Step-by-step explanation:

Given

f(x) = x² + px + q , then

f(3) = 3² + 3p + q = 6 , that is

9 + 3p + q = 6 ( subtract 9 from both sides )

3p + q = - 3 → (1)

---------------------------------------

f'(x) = 2x + p , then

f'(3) = 2(3) + p = 0, that is

6 + p = 0 ( subtract 6 from both sides )

p = - 6

Substitute p = - 6 into (1)

3(- 6) + q = - 3

- 18 + q = - 3 ( add 18 to both sides )

q = 15

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2 years ago

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allochka39001 [22]

Answer: 29.2

Step-by-step explanation:

The lengths of the two longer legs are both $\sqrt{8^2 + 4^2}=\sqrt{80}$

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2 years ago

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√10 Multiple √15 is equal to

Paul [167]

$\\ \sf\longmapsto \sqrt{10}\times \sqrt{15}$

$\\ \sf\longmapsto \sqrt{10\times 15}$

$\\ \sf\longmapsto \sqrt{2\times 5\times 3\times 5}$

$\\ \sf\longmapsto \sqrt{5\times 5\times 6}$

$\\ \sf\longmapsto 5\sqrt{6}$

None of the above should be 4th option

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2 years ago

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