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3 years ago

Round 150,893 to the nearest thousand.

Mathematics

1 answer:

Kaylis [27]3 years ago

7 0

Answer:

151,000

Step-by-step explanation:

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HELP ME PLEASE!!!!!!!!!!!GIVING BRAINLIEST!!!!!!

poizon [28]

B. y = $\frac{1}{2}$ x + 1

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3 years ago

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Dx+hy=j what does x=

DerKrebs [107]

$dx+hy=j\\\\dx=j-hy\ /:d\ \ \ \ and\ \ \ \ d \neq 0\\\\x= \frac{j-hy}{d}$

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3 years ago

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2. The path of a high diver is given by y = + (2x2 – 9x – 56), where y is the height of the diver

timofeeve [1]

Answer:

The diver will be 8 feet from the end of the board when he hits the water.

Step-by-step explanation:

The diver hits the water when y = 0.

To find the distance, we have to find the values of x when y = 0.

Solving a quadratic equation:

Given a second order polynomial expressed by the following equation:

$ax^{2} + bx + c, a\neq0$ .

This polynomial has roots $x_{1}, x_{2}$ such that $ax^{2} + bx + c = (x - x_{1})*(x - x_{2})$ , given by the following formulas:

$x_{1} = \frac{-b + \sqrt{\bigtriangleup}}{2*a}$

$x_{2} = \frac{-b - \sqrt{\bigtriangleup}}{2*a}$

$\bigtriangleup = b^{2} - 4ac$

In this problem, we have that:

$y = 2x^{2} - 9x - 56$

$2x^{2} - 9x - 56 = 0$

$a = 2, b = -9, c = -56$

Then

$\bigtriangleup = b^{2} - 4ac = (-9)^{2} - 4*2(-56) = 529$

$x_{1} = \frac{-(-9) + \sqrt{529}}{2*2} = 8$

$x_{2} = \frac{-(-9) - \sqrt{529}}{2*2} = -3.5$

It is a horizontal distance, so the answer is a positive value.

The diver will be 8 feet from the end of the board when he hits the water.

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3 years ago

Mrs.Smith buys 4 packs of stickers with 12 stickers in each pack. She already has 8 stickers. Which equation shows how to calcul

Ugo [173]

Answer: Should be 56 Stickers

Step-by-step explanation:

4*12 =48 + 8 = 56 but since I dont have the pictures dont really have proof that im right

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3 years ago

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Equation P: y + z = 4

Eduardwww [97]

$y+z=4\\
3y+7z=15\\

-3y-3z=-12\\
3y+7z=-12\\
4z=-24\\
z=-6$

Multiply the top equation by -3 and added to the second one.

By Elimination.

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3 years ago