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2 years ago

If rice costs $1.50 per kilogram, determine the cost of a pound of rice.

Mathematics

1 answer:

Darina [25.2K]2 years ago

5 0

Answer:

$3.3075

Step-by-step explanation:

1 kilogram = 2.205 pounds

So we will multiply the $1.50 by 2.205 to get the cost per pound of rice

1.50 * 2.205 = $3.3075

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True or false when the x intercept of a graph occurs when the x=0

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True, hope this helps you.

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1 year ago

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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3 years ago

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PLEASE HELP!!!!!!

quester [9]

B

First you have to change 2 1/2 into 5/2

To multiply fractions use the method
Keep Change Flip

5/2 x 3/1 =15/2

Which simplifies to 7 1/2

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2 years ago

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Parallelogram A B C D is shown. The length of A B is (9 x minus 14) inches and the length of D C is (3 x + 4) inches. In paralle

Ne4ueva [31]

Answer:

Hello, Friend! ^^

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_______________________________________________________

Hope this helps! ^^ :3

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2 years ago

Bart bought a digital camera with a list price of $219 from an online store offering a 6 percent discount. He needs to pay $7.50

vovangra [49]

$213.36 is the total

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2 years ago

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If rice costs ​$1.50 per​ kilogram, determine the cost of a pound of rice.

If rice costs $1.50 per kilogram, determine the cost of a pound of rice.