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qaws [65]
3 years ago
15

X and y interpects of f(x)=x^2-49

Mathematics
1 answer:
Oxana [17]3 years ago
5 0
Y intercept is when x = 0
X intercept is when y = 0

Y intercept is 0^2 - 49 = ?
-49

X intercept you would have to factor. You’d get (x-7)(x+7) meaning the graph touches o at the x values 7 and -7
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Division of two quantities is expressed as the ____ of those two quantities.
andreev551 [17]


Division of two quantities is expressed as the  quotient of those two quantities.

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There are two different ways to find the quotient of two numbers.  One of them is through Fractions. The quotient of a fraction is the number obtained when the fraction is simplified. The other way to find a quotient is  by employing the long division method where the quotient  value is positioned above the divisor and dividend.
 


6 0
3 years ago
After sales tax, an $81 cell phone costs $84.24. What is the sales tax percentage?​
Igoryamba

Answer:

4% sales tax

Step-by-step explanation:

Take the original costs and subtract it from the price after sales tax.

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Divide 3.24 by 81

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4 0
2 years ago
Pls help me plssss help asap
Anestetic [448]

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8 0
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Can someone help me with this question please?
blagie [28]

Answer:

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Step-by-step explanation:

<h3>a)</h3>

The equation you want to solve is the model with the given values filled in.

  D(h) = 3.57√h . . . . model

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<h3>b)</h3>

We solve this equation by dividing by the coefficient of the root, then squaring both sides.

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Dustin would need to have an elevation of 723.11 meters above sea level to see 96 km to the horizon.

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