3 years ago

Multiply 1 5/8 * 2 2/5

Mathematics

1 answer:

ElenaW [278]3 years ago

5 0

39/10
And/or
3 9/10
And/Or
3.9

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Answer:

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Step-by-step explanation:

3/7 5/12

36/84 35/84

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The line of symmetry of the parabola whose equation is y = ax^2 -4x + 3 is

alex41 [277]

Answer:

B. -1

Step-by-step explanation:

If we have a parabola whose equation is:

$y=ax^{2} +bx+c$

The line of symmetry is calculated as:

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Now, we have the equation $y=ax^{2}-4x+3$ and the line of symmetry is $x=-2$

Where:

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So, we can replace $b$ by -4 and $x$ by -2 and solve for $a$ using the following equation as:

$x=\frac{-b}{2a}\\-2=\frac{-(-4)}{2a}\\-2(2)a=4\\-4a=4\\a=-1$

It means that the equation of the parabola is equal to:

$y=-1x^{2}-4x+3$

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She ran 52.16 seconds per 400 meters, how fast was she running in meters per hour?

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What type of property is 7+b=b+7

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7 +b = b +7 is <span>Commutative Property</span>

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