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3 years ago

Anne is planting a garden she is putting up a fence. The fence is 12.4 metres long and

2 answers:

7 0

Since the shape is not given, it's not easy to determine the actual perimeter. Regardless, it's important to keep in mind that the perimeter and area are independent of each other.

That said, assuming that this is a rectangle (since this amount of information is insufficient for any other 2D shape I can think of), it would simply be 2(12.4)+2(5.9), or 24.8+11.8, or 36.6.

Saying actual perimeter typically means just that: the ACTUAL perimeter of a specified shape, which is why it's odd that this problem does not include a shape.

The perimeter <em>efficiency</em>, for example, <span>compares the actual perimeter of a shape with the circumference of the circle that would be required to enclose the same area. Since a circle will enclose any given area with the least amount of perimeter, it is said to be 100% efficient as an area enclosure.
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Dmitrij [34]3 years ago

5 0

To find the perimeter you do length + width so you do 12.4 + 5.9 to get the perimeter.

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Identify the zeros of f(x)=(x-7)(x+4)(3x-2)

alexgriva [62]

To find the zero you must set each factor equal to zero and solve for for x like so...

Factor (x - 7)

x - 7 = 0

x = 7

Factor (x + 4)

x + 4 = 0

x = -4

Factor (3x - 2)

3x - 2 = 0

3x = 2

x = $\frac{2}{3}$

All the zeros are:

-4, $\frac{2}{3}$ , 7

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3 years ago

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3 years ago

Let f(x)= 100 / −10+ e^ −0.1x . What is f(−6) ?

bija089 [108]

The value of f(-6) is -12.2

Explanation:

Given that the function $f(x)=\frac{100}{-10+e^{-0.1\left(x\right)}}$

We need to determine the value of f(-6)

The value of f(-6) can be determined by substituting the value for $x=-6$ in the function and simplify the function.

Hence, let us substitute $x=-6$ in the function, we get,

$f(-6)=\frac{100}{-10+e^{-0.1\left(-6\right)}}$

Let us apply the rule $-\left(-a\right)=a$ , we get,

$f(-6)=\frac{100}{-10+e^{0.1\left(6\right)}}$

Multiplying the numbers, we get,

$f(-6)=\frac{100}{-10+e^{0.6}}$

The value of $e^{0.6}=1.822$

Substituting the value of $e^{0.6}=1.822$ , we get,

$f(-6)=\frac{100}{-10+1.822}$

Subtracting the denominator, we have,

$f(-6)=\frac{100}{-8.178}$

Dividing, we have,

$f(-6)=-12.228$

Rounding off to the nearest tenth, we have,

$f(-6)=-12.2$

Thus, the value of f(-6) is -12.2

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3 years ago

What are the answers

algol [13]

Unable to see the paper clearly

6 0

3 years ago

URGENT NOW: Use the graph below to fill in the blank with the correct number: f(−2) = _______ X, Y graph. Plotted points negativ

navik [9.2K]

The answer would be 2. As you can see on the point, you already have (-2,2) as a point. F(x) equals y in a sense. So when plugging in x into a function, you should get its respect y value. In the function graph, -2 yields 2. Therefore, your answer is 2.

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3 years ago