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1 year ago

10

Evaluate the expression, if x = 9, y = 3, and z = 5. z²(x - y)

1 answer:

EastWind [94]1 year ago

3 0

The answer is 150.
(5)^2(9-3)
25(6)
=150

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98-x2=0 solve this with the quadratic formula

Mars2501 [29]

Answer:

x∈{-7√2, 7√2}

Step-by-step explanation:

$98-x^2=0\\\\-x^2+98=0\\\\a=-1\,,\ \ b=0\,,\ \ c=98\\\\x_1=\dfrac{-0-\sqrt{0^2-4\cdot(-1)\cdot98}}{2\cdot(-1)}=\dfrac{-\sqrt{4\cdot49\cdot2}}{-2}=\dfrac{-2\cdot7\sqrt{2}}{-2}=7\sqrt2\\\\x_2=\dfrac{-0+\sqrt{0^2-4\cdot(-1)\cdot98}}{2\cdot(-1)}=\dfrac{2\cdot7\sqrt{2}}{-2}=-7\sqrt2$

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2 years ago

How to simplify y14/y10

Lostsunrise [7]

Answer:

Divide them by the same number

Step-by-step explanation:

14/2=7

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2 years ago

Solve the equation 36w = 16w + 24

Umnica [9.8K]

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3 years ago

Read 2 more answers

If I have (7x+3) degrees and (8x+1) degrees what would that equal

Sidana [21]

Answer:

180

Step-by-step explanation:

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3 years ago

Perform the indicated operation to write given polynomial in standard form: (x+ 2)(2x^2 − 5x+7)

Elan Coil [88]

Answer:

So the expression in standard form will be $2x^3-x^2-3x-14$

Step-by-step explanation:

We have given expression $(x+2)(2x^-5x+7)$

We have to write this expression in standard form

For writing in standard form first we have to multiply the expression

So after multiplication number $(x+2)(2x^2-5x+7)=2x^3-5x^2+7x+4x^2-10x-14=2x^3-x^2-3x-14$

So the expression in standard form will be $2x^3-x^2-3x-14$

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3 years ago