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goldfiish [28.3K]
3 years ago
15

1/2y+4(y-8)=0 use the zero property

Mathematics
1 answer:
ozzi3 years ago
5 0

Answer:

y=\frac{64}{9}

Step-by-step explanation:

The given expression is \frac{1}{2}y+4(y-8)=0

We  Multiply through by 2 to get:

2*\frac{1}{2}y+2*4(y-8)=0*2

This gives us:

y+8(y-8)=0

Expand the parenthesis using the distributive property

y+8y-64=0

We add 64 to both sides to create a zero pair:

y+8y-64+64=0+64

The zero pair evaluates to zero:

y+8y+0=0+64

By the identity property  of addition, we get

y+8y=64

SImplify:

9y=64

Divide both sides by 9

y=\frac{64}{9}

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Nezavi [6.7K]

Answer:

25/4 or 6.25

Step-by-step explanation:

Given that the general equation of  a quadratic equation is given as ax^2 + bx + c = 0, to complete the square, we subtract c from both sides of the equation and add the square of (b/2a) to both sides.Hence given x^2-5x-19=0, to complete the square, we add (-5/2)^2 to both sides following the illustration given.This is 25/4 or 6.24

3 0
3 years ago
Nora wants to put new glass in her window
Xelga [282]

Answer:

1632 inches squared

Step-by-step explanation:

Hi!

So the formula for area is length times width.

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4 years ago
Evaluate the function g(x) = –2x2 + 3x – 5 for the input values –2, 0, and 3.
Genrish500 [490]

Answer:

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Step-by-step explanation:

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2 years ago
How many one-ounce slices of cheese are in a pound?
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4 0
3 years ago
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Find size of angle x<br><br>pls.. <br><br><br>​
mina [271]

Answer:

x = 115

Step-by-step explanation:

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i.e,

=> 164 + 81 + x = 360

=> 245 + x = 360

=> x = 360 - 245

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6 0
3 years ago
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