3 years ago

Please help Thank you

Mathematics

1 answer:

Kaylis [27]3 years ago

6 0

Answer:

I don't know sorry :)

Step-by-step explanation:

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The owner of a shop buys a bed at the price of Rp 1,700,000.00. Then he sells the bed at the price of Rp

Arte-miy333 [17]

Answer:

b. 20%

Step-by-step explanation:

The difference between 2,040,000.00 and 1,700,000.00 is 340,000

By process of elimination of the possible answers, 20% of 1,700,000.00 is 340,000; which shows that there was a 20% increase in profit.

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Larry gave the clerk $10 for purchase of a $3.25 note book and a $2.58 set of markers.How much q change should he receive

Xelga [282]

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

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Elanso [62]

Answer:

where is the figure?

Step-by-step explanation:

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3 years ago

Plz help...do both plz

Gemiola [76]

The answer for number 4 is 13 and number 6 is 121 and the last problem for number 7 is 112

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