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3 years ago

Which ones is the LCD (Least Common Denominator) out of these three number: 3, 4, and 20?

2 answers:

7 0

I learnt it as lowest common denominator, and the question needs to be in the form, "which of these three numbers (3,4,20) is the lowest common denominator of *insert number here*"

Need to know which number you are asking the LCD for?

Verizon [17]3 years ago

4 0

The least common denominator is 1.

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.) Find the sum of the first n terms of the geometric sequence for the values of a1and r.

Vinvika [58]

Sn = a(r^n - 1)/(r - 1)
S4 = 228(4.8^4 - 1)/(4.8 - 1) = 228(530.8416 - 1)/3.8 = 228(529.8416)/3.8 = 120,803.8848 / 3.8 = 31,790.496

3 0

3 years ago

9/10+2/5= ONLY THE ANSWER

KengaRu [80]

Hello there.

9/10+2/5= ONLY THE ANSWER

1 3/10

4 0

3 years ago

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1. Homer has an idea for a new donut shop. He wants to design the donut shop so that the rectangular

Tju [1.3M]

Solving a system of equations, it is found that since the quadratic equation has two positive roots, they can be the values of the length and the width, and the design is possible.

The perimeter of a rectangle of length l and width w is given by:

$P = 2(l + w)$

The area is:

$A = lw$

In this problem, perimeter of 63.5 m, hence:

$2l + 2w = 63.5$

$2l = 63.5 - 2w$

$l = 31.75 - w$

Area of 225 m², hence:

$lw = 225$

$(31.75 - w)(w) = 225$

$w^2 - 31.75w + 225 = 0$

Which is a quadratic equation with coefficients $a = 1, b = -31.75, c = 225$ .

Then:

$\Delta = b^2 - 4ac = (-31.75)^2 - 4(1)(225) = 108.0625$

$w_1 = \frac{-b + \sqrt{\Delta}}{2a} = \frac{31.75 + \sqrt{108.0625}}{2} = 21.1$

$w_2 = \frac{-b - \sqrt{\Delta}}{2a} = \frac{31.75 - \sqrt{108.0625}}{2} = 10.68$

Since the quadratic equation has two positive roots, they can be the values of the length and the width, and the design is possible.

A similar problem is given at brainly.com/question/10489198

6 0

2 years ago

Write an expression for the verbal phrase The product of the square of h and eight

Blababa [14]

We want to write an expression for "the product of the square of h and eight".

The square of h = h².
The product of "the square of h" and eight = (h²)*8 = 8h².

Answer: 8h²

3 0

3 years ago

Convert 12 ounces to pounds use the conversion 16 ounces = 1 pound

zalisa [80]

Answer: 3/4 pound

Step-by-step explanation:

You do 12/16, which is simplified to 3/4.

3 0

3 years ago

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