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bixtya [17]
3 years ago
10

Expanded form for 400,205

Mathematics
2 answers:
Doss [256]3 years ago
6 0
400,000 +200+5 this is the answer I hope I helped you from a 4th grader
Lemur [1.5K]3 years ago
5 0
Four hundred thousand two hundred five
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What is <br> 7c — 3 &lt; — 7с — 28
Helga [31]

Answer:

Step-by-step explanation:

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A student has 3 sticks of wood that measures 15 inches, 18 inches, and 30 inches. Can the student use these sticks to make a rig
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Step-by-step explanation:

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3 years ago
A rectangular box has the dimensions shown in the diagram. The volume of the box is given by the function V(x) = x3 – 4x, where
marta [7]

Answer:

Height =3

Step-by-step explanation:

Given

Length = x + 2

Width = x - 2

Height = x

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Required

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The volume is calculated as thus:

Volume = Length * Width * Height

This gives

15 = (x + 2) * (x - 2) * x

Apply difference of two squares

15 =(x^2 - 4 ) * x

15 = x^3 - 4x

Subtract 15 from both sides

x^3 - 4x - 15 = 0

Using a calculator to factorize, we have:

(x-3)(x^2+3x+5) = 0

Split

x - 3 = 0 or x^2 + 3x + 5 = 0

x = 3 or  x^2 + 3x + 5 = 0

x has complex roots for x^2 + 3x + 5 = 0

Hence:

x = 3

Recall that:

Height = x

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3 0
3 years ago
The formula for the circumference of a circle is C=2 nr. What is the radius of a circle with a
Vladimir [108]

Answer:

The formula for the circumference of a circle is C = 2πr, where r is the radius and C is the circumference. The equation solved for r is r =c/2π .

Step-by-step explanation: hope this helped!

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