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emmainna [20.7K]
3 years ago
5

Simplify the expression -4 + 3 + 5 =

Mathematics
1 answer:
xenn [34]3 years ago
8 0

Answer:

4

Step-by-step explanation:

-4+3=-1

-1+5=4

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What is 1 2/3 as an improper fraction
coldgirl [10]

To write a mixed number as an improper fraction, first multiply the denominator by the whole number and then add the numerator.

3 × 1 = 3

3 + "numerator" = 2

5 over original denominator = 5/1

Image is provided.

5 0
4 years ago
1. What is (f⋅g)(x)?
nekit [7.7K]

Answer:

(f⋅g)(x)= x^7 + 9x^4 - 9x^3 -81

(f - g)(x) = x^3 - 6x^2 + 18x + 6x - 10

Step-by-step explanation:

For the first part of the question we have two functions

f(x) = x^4 -9

g(x) = x^3 + 9

If the expression refers to the multiplication of f and g, then:

(f⋅g)(x)= f (x)g(x)

So we multiply the function f(x) with the function g(x)

(f⋅g)(x)= (x^4 - 9)(x^3 + 9)

(f⋅g)(x)= x^7 + 9x^4 - 9x^3 -81

For the second part we have the functions:

f(x) = x^3 -2x^2 + 12x - 6\\\\g(x) = 4x^2 - 6x + 4

We wish to find (f - g) (x). We know that

(f - g)(x) = f(x) - g(x)\\\\(f - g)(x) = x^3 - 2x^2 + 12x - 6 - [4x^2 - 6x + 4]\\\\(f - g)(x) = x^3 - 2x^2 + 12x - 6 -4x^2 + 6x - 4

(f - g)(x) = x^3 - 6x^2 + 18x + 6x - 10

5 0
4 years ago
Stock prices fell 250 points one day and 60 points the next day. What is the average change in stock prices over the two days
arsen [322]

Answer:

the average change in stock prices over the two days is -155

Step-by-step explanation:

The computation of the average change in stock price over the two days is shown below:

= (-One day points - second day points) ÷ number of days

= (-250 points - 60 points ) ÷ 2 days

= -310 points ÷ 2 days

= -155

Hence, the average change in stock prices over the two days is -155

We simply applied the above formula so that the average change could come

3 0
3 years ago
Which of the following points is a solution for this system of equations:
Oliga [24]

Answer:

D

Step-by-step explanation:

There you go mate, just writing this to be 20 words long so I can answer it

7 0
3 years ago
Rewrite this equation so that it demonstrates the division property of equality: 12m=42
elixir [45]
Answer:
12m ÷ 12 = 42 ÷ 12
8 0
2 years ago
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