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3 years ago

Need some help with this. hope someone can.help

Mathematics

2 answers:

Ierofanga [76]3 years ago

8 0

The formula for the volume of a cylinder of radius r and height h is:

V = pi*r^2*h.

In this case,

V = pi*(40 cm)^2*(130 cm)

= pi(1600 cm^2)(130 cm) = 208000*pi cm^3

If we use 3.14 for pi, then the volume is V = 653120 cm^3

GrogVix [38]3 years ago

3 0

$\pi = 3.14\\r=40cm\\h=1.3m=130cm\\V=\pi r^{2}h\\V=(3.14)(40^{2})(130)\\V=(3.14)(1600)(130)\\V=653120cm^{3}$

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When factoring a polynomial in the form ax2 + bx + c, where a, b, and c are positive real numbers, should the signs in the binom

gtnhenbr [62]

When factoring a polynomial in the form ax2 + bx + c, where a, b, and c are positive real numbers, the signs in the binomials should be both positive

<h3>What are quadratic equations?</h3>

Quadratic equations are second-order polynomial equations and they have the form y = ax^2 + bx + c or y = a(x - h)^2 + k

<h3>How to determine the true statement?</h3>

The form of the polynomial is given as:

ax2 + bx + c

Where a, b, and c are positive real numbers.

Since a, b, and c are positive real numbers. then the form of the expansion would be:

ax2 + bx + c = (dx + e)(fx + g)

<h3>Example to verify the claim</h3>

Take for instance, we have the following quadratic equation

x^2 + 6x + 8

Expand the equation

x^2 + 6x + 8 = x^2 + 4x + 2x + 8

Factorize the equation

x^2 + 6x + 8 = (x + 2)(x + 4)

Hence, the signs in the binomials should be both positive