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Ivan
3 years ago
12

Length = 4 + x Width = x Height = x2 + 1 What is the base area of Box 3?

Mathematics
2 answers:
Simora [160]3 years ago
8 0

Answer:

Base area of box = x^2 +4

Step-by-step explanation:

Length = 4+x

Width = x

Height = x^2 + 1

Base area of a rectangular box is a rectangle

Area of a rectangle (base area)= length times width

Length = 4+x

Width = x

Base area = (4+x) \cdot x

Multiply x inside the parenthesis

Base area of box = 4x +x^2

astraxan [27]3 years ago
3 0

Answer:

Box 3:      

Length = 4 + x

Width = x

Height = x2 + 1

The polynomial that represents the volume of Box 3 has a degree of  4

What is the base area of Box 3?  1 x2 +  4 x

What is the volume of Box 3?

B. x4 + 4x3 + x2 + 4x

Step-by-step explanation:

On Edgenuity

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2 years ago
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Answer:

x = ± \sqrt{20}

Step-by-step explanation:

Given

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x = ± \sqrt{20}

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3 years ago
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3 years ago
I need to find the derivative. I’m not very good at this so I am answer asap would be sosososo helpful
Bingel [31]

Answer:

See below.

Step-by-step explanation:

First, notice that this is a composition of functions. For instance, let's let f(x)=\sqrt{x} and g(x)=7x^2+4x+1. Then, the given equation is essentially f(g(x))=\sqrt{7x^2+4x+1}. Thus, we can use the chain rule.

Recall the chain rule: \frac{d}{dx}[f(g(x))]=f'(g(x))\cdot g'(x). So, let's find the derivative of each function:

f(x)=\sqrt{x}=x^\frac{1}{2}

We can use the Power Rule here:

f'(x)=(x^\frac{1}{2})'=\frac{1}{2}(x^{-\frac{1}{2}  })=\frac{1}{2\sqrt{x}}

Now:

g(x)=7x^2+4x+1

Again, use the Power Rule and Sum Rule

g'(x)=(7x^2+4x+1)'=(7x^2)'+(4x)'+(1)'=14x+4

Now, we can put them together:

y'=f'(g(x))\cdot g'(x)=\frac{1}{2\sqrt{g(x)}} \cdot (14x+4)

y'=\frac{14x+4}{2\sqrt{7x^2+4x+1} } =\frac{7x+2}{\sqrt{7x^2+4x+1} }

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3 years ago
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natka813 [3]

Answer:

Correct choice is B

Step-by-step explanation:

Let a, b, c and d be the trapezoid's sides lengths.

The perimeter of the trapezoid is the sum of all sides lengths, thus,

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If each side length is increased by a factor 7, then new sides have lengths 7a, 7b, 7c and 7d. The perimeter of new trapezoid is

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Use the distributive property for this expression:

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3 years ago
Read 2 more answers
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