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alexandr1967 [171]
4 years ago
10

Simplify the following algebraic expressions. -6x + 5 + 12x -6

Mathematics
1 answer:
salantis [7]4 years ago
3 0
The answer is 6x-1.  
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If f(x) is a function and f(1) = 5, then which of the following could not be true?
Mashcka [7]

Answer:

f(1) = 1

Step-by-step explanation:

A function can have only one value of y for a given value of x.

Thus, if f(1) = 5, we cannot have f(1) = 1.

We can have f(2) =1 and f(5) = 5, because these are values of y for different values of x,

The first diagram below is the graph of a function, because there is only value of y that corresponds to a given value of x.

The second diagram is not the graph of a function, because there are two values of y that correspond to a given value of x.

However, the top semicircle and the bottom semicircle separately are graphs of functions, because they each have only value of y that corresponds to a given value of x.

5 0
3 years ago
A sporting goods store pays $100 for a rubber raft. The percent of markup is 55%. Find the raft’s selling price.
dangina [55]

Your answer would ultimately be A because you would multiply 100 by the percent 55 which u would take the dot like it usually is a the end of the number and move it over to the left two places to get your number then you would multiply 100 by .55 to get 55$

3 0
4 years ago
Read 2 more answers
¿Cuantos triángulos hay?
nalin [4]

Answer:

Yo veo 16. tal vez sea mas...

Step-by-step explanation:

5 0
4 years ago
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Which statement justifies that 3x2 − 2x − 4 multiplied by 2x2 + x − 3 obeys the closure property of multiplication? The result 6
N76 [4]

Answer:

The result 6x^4-x^3-19x^2+2x+12.

is a polynomial.

Step-by-step explanation:

The first polynomial is 3x^2-2x-4.

The second polynomial is 2x^2+x-3

The closure property of multiplication states that if we multiply two polynomials the result must be a polynomial.

The product of these two polynomials is :

(3x^2-2x-4)(2x^2+x-3)=6x^4-x^3-19x^2+2x+12.

We can see that the result is still a polynomial.

4 0
3 years ago
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Traders often buy foreign currency in hope of making money when the currency's value changes. For example, on a particular day,
melamori03 [73]

Answer:

(a)f(x)=0.8869x

(b)g(x)=143.1126x

(c)g(f(x))=126.9266x

(d)g(f(1000))=126926.6 Yen

Step-by-step explanation:

Given on a particular day

  • One U.S. dollar could purchase 0.8869 Euros
  • One Euro could purchase 143.1126 yen

(a)If x represents the number of Dollars

Since one can purchase 0.8869 Euro with 1 USD, the function f(x) is a direct relationship where x is dollars and f(x) is in Euros.

  • f(x)=0.8869x

(b)If x represents the number of Euros

Since one can purchase 143.1126 yen with 1 Euros, the function g(x) is a direct relationship where x is Euros and g(x) is in Yen.

  • g(x)=143.1126x

(c)Given:

  • g(x)=143.1126x
  • f(x)=0.8869x

g(f(x))=143.1126(0.8869x)

  • g(f(x))=126.9266x

(d)g(f(1000))

  • g(f(x))=126.9266x
  • g(f(1000))=126.9266 X 1000 =126926.6 Yen
8 0
3 years ago
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