3 years ago

NEED HELP ASAP

Mathematics

1 answer:

Annette [7]3 years ago

8 0

Answer: It would be approximately 2000 ft.

Step-by-step explanation:

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Rhett is solving the quadratic equation 0= x2 – 2x – 3 using the quadratic formula. Which shows the correct substitution of the

Artemon [7]

Answer:

StartFraction 2 plus or minus StartRoot (negative 2) squared minus 4(1)(negative 3) EndRoot Over 2(1) EndFraction

Step-by-step explanation:

General quadratic equation: ax^2 + bx + c

where a is the coefficient of the quadratic term, b is the coefficient of the linear term and c is the independent term. Here the equation is: x^2 – 2x – 3, so a = 1, b = -2 and c = -3

Quadratic formula:

$x = \frac{-b \pm \sqrt{b^2-4(a)(c)}}{2(a)}$

Replacing

$x = \frac{2 \pm \sqrt{(-2)^2-4(1)(-3)}}{2(1)}$

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Gradient, m= $\frac{change in y}{change in x}$
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m= $\frac{17}{9} *-40$
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3 years ago

Are the ratios 6:4 and 4:6 equivalent?

lakkis [162]

Answer :

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Scale factors help with b

mafiozo [28]

12.5 meters is the width i think

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A liquid-filled glass pyramid is being erected as part of a museum attraction. The pyramid is designed to be 15 feet tall with a

maw [93]

First we calculate surface of base.

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3 years ago

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