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bonufazy [111]
3 years ago
11

One sixth of a number?​

Mathematics
1 answer:
rodikova [14]3 years ago
5 0
One-sixth of a number is four
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Can you guys help please im so confused
marissa [1.9K]

Answer:

a) see below

b) 40x20 meters

Step-by-step explanation:

Write down what you know:

- The area of the enclosure is length*width, so

A = x \cdot y

- The length of the fencing is 80 meters, so

2y + x = 80

Now we have to combine these two equations above, and get rid of y in the process.

First rewrite the second as:

y = 40 - \frac12 x

Then substitute for y in the first:

A = x (40 - \frac12 x) = 40x - \frac12x^2

b) To maximize A, find the zero of the first derivative:

A'(x) = 40 - x = 0 \implies x=40

So y = (80-40)/2 = 20 meters.

8 0
2 years ago
Is student is reading a book about 370 words per minute convert this rate to words per hour
Helen [10]
Answer:
22,200 words per hour
step-by-step explanation:
60 minutes per hour
370 words per minute
370(60)
22,200
8 0
3 years ago
Read 2 more answers
PLS HELP ME I ONLY HAVE 5 MINUTES PLS
Viefleur [7K]

Answer: 71 ft

i hope its the right answeer, do well

3 0
2 years ago
Convert 6.7 minutes to seconds.
Diano4ka-milaya [45]

Answer:

402 seconds

Step-by-step explanation:

3 0
3 years ago
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Please help stuck on question
vazorg [7]

Answer:

Suppose we have a polynomial of degree N with a leading coefficient A and roots {x₁, x₂, ..., xₙ}

We can write this polynomial as:

P(x) = A*(x - x₁)*(x - x₂)*...*(x - xₙ)

such that the terms:

(x - x₁), (x - x₂), etc...

are called the factors.

In this case, we know that the roots OF THE FACTORS

are:

(x = - 2)

(x = - (1 + √5))

(x = + 3i)

If the root of the polynomial is  x = -2, then the factor should be:

(x + 2)

which is zero when we evaluate x in -2

Then the correct option is the first one.

5 0
2 years ago
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