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notsponge [240]
3 years ago
10

How to do this and find the max or min points

Mathematics
2 answers:
Veronika [31]3 years ago
8 0
I see your last line is : c(x) = 0.9(x^2-10)^2 + 101.1

Let y = x^2, then c(y) = 0.9(y-10)^2 + 101.1

Apparently, c(y) is a parabola, min is 101.1 when y = 10, max is infinity

So let x^2 = 10 -> x = sqrt(10) or -sqrt(10), min is 101.1, max is infinity
Levart [38]3 years ago
4 0

Answer:

the min is 101.1

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Ben was paid less than $240 for working 4 days. He was paid $90
irina1246 [14]

Answer:

$50 each day

Step-by-step explanation:

240 - 90 = 150

150 / 3 = 50

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2 years ago
How would you simplify d number 3
Andreas93 [3]
-15+2 means you add 2 to the negative number 15 so -15+2 will give us -13 which is the answer.
5 0
3 years ago
Al goes 8 mph Ben goes 22 mph in the opposite direction. How many hours has ben traveled when they are 180 miles apart?
NeTakaya

after 6 hours Al and Ben will be 180 miles apart.

(22 * x) + (8 * x) = 180

x = 6 hours

3 0
3 years ago
If a polygon is a square, then a polygon is a quadrilateral The truth value: The converse: The truth value: The inverse: The tru
Simora [160]

Answer and Step-by-step explanation:

Given that if a polygon is a square, then a polygon is a quadrilateral, we find the converse, inverse and contrapositive of this implicational statement. The hypothesis is the causative statement and the conclusion is the resultant effect

The converse of this statement is the reverse of its statements hence:

If a polygon is a quadrilateral then a polygon is a square

The inverse of this statement is the negation of the statements hence :

If a polygon is not a square then a polygon is not a quadrilateral

The contrapositive of the statement is the interchange of the hypothesis and conclusion of the inverse statement hence:

If a polygon is not a quadrilateral then a polygon is not a square

5 0
3 years ago
In the library at Lenape Elementary School, there are 2 5 as many fiction books as there are nonfiction books. There are 56 book
user100 [1]

Answer:

There are 16 fiction books in the library.

Step-by-step explanation:

We are given the following in the question:

Let x be the number of fiction books and y be the number of non fiction books.

Total number of books = 56

Thus, we can write the equation:

x+y = 56

There are \frac{2}{5} as many fiction books as there are nonfiction books.

Thus, we can write the equation:

x = \dfrac{2}{5}y

Solving the two equations by substitution, we get,

\dfrac{2}{5}y + y = 56\\\\\dfrac{7}{5}y = 56\\\\y = 56\times \dfrac{5}{7}\\\\y = 40

Thus, there are 40 non fiction books.

Number of fiction books =

x  = 56 - 40 = 16

Thus, there are 16 fiction books in the library.

6 0
3 years ago
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