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3 years ago

How do solve this problem?

Mathematics

2 answers:

Ira Lisetskai [31]3 years ago

6 0

The perimeter in the out side rim of somthing.
This is the formula
Perimeter =2(l+w)

Sloan [31]3 years ago

4 0

Perimeter of the whole shabang should be (7*2)+(5*2)

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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:

$x=\frac{-b}{2a}$

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

Where:

$b=-4\\c=3$

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:

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

7 0

2 years ago

What would be the volume of a box that is 6 1/2 inches tall 5 inches across the bottom and top and 1 cm width.

ss7ja [257]

Answer:

Volume calculator helps you find the volume of common ... The volume calculator will calculate the volume of some of the most ... cubic inches, 1, 5.79 10-4, 2.1 10-5, 4.3 10-3, 3.7 10-3, 3.6 10-3, 10-4 ... Rectangular solid (volume of a box) = lwh , where l is the length, w is the width and h is the height (a ...

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

Order 7.007, 70.07, 70.700, 7.070 greatest to least.

lawyer [7]

70.700, 70.07, 7.070, 7.007.
1.050 -> 1.1
8.964 -> 8.96

6 0

2 years ago

Choose the constant term that completes perfect square trinomial <br> y^2+0.1y

Levart [38]

If this is correct the answer would be
y^2 + 0.1y + 0.0025