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3 years ago

Hidden valley motel 32 feet long

Mathematics

1 answer:

baherus [9]3 years ago

4 0

Did you forget to put in the rest of the question?

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What are the zeros of the quadratic function f(x) = 2x2 – 10x – 3?

Natasha2012 [34]

Answer:

$x=\frac{50+\sqrt{31}}{2},\frac{50-\sqrt{31}}{2}$ are zeroes of given quadratic equation.

Step-by-step explanation:

We have been a quadratic equation:

$2x^2-10x-3$

We need to find the zeroes of quadratic equation

We have a formula to find zeroes of a quadratic equation:

$x=\frac{b^2\pm\sqrt{D}}{2a}\text{where}D=\sqrt{b^2-4ac}$

General form of quadratic equation is $ax^2+bx+c$

On comparing general equation with b given equation we get

a=2,b=-10,c=-3

On substituting the values in formula we get

$D=\sqrt{(-10)^2-4(2)(-3)}$

$\Rightarrow D=\sqrt{100+24}=\sqrt{124}$

Now substituting D in $x=\frac{b^2\pm\sqrt{D}}{2a}$ we get

$x=\frac{(-10)^2\pm\sqrt{124}}{2\cdot 2}$

$x=\frac{100\pm\sqrt{124}}{4}$

$x=\frac{100\pm2\sqrt{31}}{4}$

$x=\frac{50\pm\sqrt{31}}{2}$

Therefore, $x=\frac{50+\sqrt{31}}{2},\frac{50-\sqrt{31}}{2}$

5 0

4 years ago

Read 2 more answers

Calculate the volume, in cubic centimeters, of a box which is 125 cm long, 37 cm wide, and 68 cm high. Report your answer with c

viva [34]

Answer:

$Volume = 314500cm^3$

Step-by-step explanation:

Given

$Length = 125cm$

$Width = 37cm$

$Height = 68cm$

Required

Determine the volume

Volume is calculated as:

$Volume = Length * Width * Height$

Substitute values for Length, Width and Height

$Volume = 125cm * 37cm * 68cm$

$Volume = 314500cm^3$

Hence, the volume of the box is $314500cm^3$

6 0

3 years ago

Find the area of the figure. T 13 ft 10 ft) 13 ft?

lara31 [8.8K]

13 ft is the right answer

3 0

4 years ago

What is 1349 in Roman numerals?

telo118 [61]

It's MCCCXLIX. I hope this helps ^-^

8 0

4 years ago

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In triangle ABC, the measure of angle A is 80°. Angle B is congruent to angle C. What is the measure of angle B in degrees? A. ∠

sleet_krkn [62]

Answer:

<B = 50

Step-by-step explanation:

<B = <C = 50

8 0

3 years ago