4 years ago

B.B.ghdedfggggnmngffdgbh

Mathematics

1 answer:

Artyom0805 [142]4 years ago

5 0

Just expand it, high-schooler, and what does <span>B.B.ghdedfggggnmngffdgbh mean

</span>

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Please help me I will give you the briain thing and extra points. (image below) 7/13

Vitek1552 [10]

Answer:

it is B because the numbers are repeating on the y axis

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3 years ago

Antoine stands on a balcony and throws a ball to his dog, who is at ground level.

sdas [7]

Answer: The ball will hit the ground 4 seconds after being thrown.

Step-by-step explanation:

By definition, the ball hits the grounds when the height is zero.

Then, knowing that the Quadratic function that models that situation is:

$h(x)=-2x^2+4x+16$

You can make it equal to zero:

$0=-2x^2+4x+16$

Now you can use the Quadratic formula:

$x=\frac{-b\±\sqrt{b^2-4ac} }{2a}$

In this case you can identify that:

$a=-2\\b=4\\c=16$

Therefore, knowing these values, you can substitute them into the Quadratic formula and then evaluate, in order to find the solution:

$x=\frac{-4\±\sqrt{4^2-4(-2)(16)} }{2(-2)}\\\\x_1=4\\x_2=-2$

Choose the positive solution.

Then, the ball will hit the ground 4 seconds after being thrown.

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3 years ago

Which inequality represents all the solutions of 10(3x+2)>7(2x-4)

Murljashka [212]

10(3x+2)>7(2x-4)

Use the distributive property:

30x + 20 > 14x -28

Subtract 14x from both sides:

16x + 20 > -28

Subtract 20 from both sides:

16x > -48

Divide both sides by 16:

x > -3

The inequality is X > -3

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3 years ago

What inequality symbol would you use for the following phrase? John needs at least $100 to purchase all the Christmas gifts.

Hatshy [7]

Greater than to equal to

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3 years ago

16, 30, 44, 58, __, ...

Strike441 [17]

Seventy two(72), eighty six(86)

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3 years ago