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Dominik [7]
3 years ago
6

I will give lots of points if you answer these few questions

Mathematics
2 answers:
charle [14.2K]3 years ago
8 0
Number 1. 20x+40
And number 3. Is 77-28x
docker41 [41]3 years ago
5 0

Answer:

1. 20x+40

2. 6f+6g

3. 77-28x

Step-by-step explanation:

<u>Use distributive property for all</u>

1) 10(2x+9)-50

20x+90-50

20x+40

2) 6(f+g)

6f+6g

3) 77-28x  

4) 3.2(5w+3)

16w + 9.6

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If f(x) = 2x - 9, which of the following are correct? Select all that apply. f(-1) = -11 f(2) = 5 f(3) = -3 f(0) = -9 f(-3) = 15
Yuri [45]

f(-1) = -11 and f(3) = -3 . these functions are true .

What does a math function mean?

  • A relationship between a group of inputs and one output each is referred to as a function.
  •  A function is an association between inputs in which each input is connected to precisely one output.
  • A domain, codomain, or range exists for every function. f(x), where x is the input, is a common way to refer to a function.
  • In mathematics, a function is an expression, rule, or law that establishes the relationship between two variables (the dependent variable).

given function  f(x) = 2x - 9

   f(-1) = -11 ⇒ x = -1 put in function

                       f( -1 ) = 2 * -1 - 9  ⇒ - 11

    f(2) = 5   ⇒ x = 2 put in function

                    f( 2 ) = 2 * 5 - 9 = 1

    f(3) = -3  ⇒  x = 3 put in function

                     f ( 3 ) = 2 * 3 - 9 = -3

       f(-3) = 15   ⇒  x =  -3 put in function

                     f( -3) = 2 * -3 - 9 = - 15

Learn more about function

brainly.com/question/21145944

#SPJ13

3 0
1 year ago
can someone give me the answer please
Flauer [41]

Answer:

Point P.

Step-by-step explanation:

It is at the point -7 on x-axis and 4 on y-axis.

7 0
3 years ago
Read 2 more answers
Is seven/tenth rational or irrational?
Scrat [10]

Answer: rational

a rational number is a number that can be expressed by a quotient or a fraction

4 0
3 years ago
Read 2 more answers
If n(A)=26, n(B)=41, and n(A ∩ B)=8, find n(A ∪ B).
miskamm [114]

n (AUB) = 59

Step-by-step explanation:

n(A U B) = n(A) + n(B) -n(A intersection B)

= 26+ 41- 8

= 59

8 0
3 years ago
An experiment was conducted to determine the effect of children participating in a given meal preparation on calorie intake for
Shtirlitz [24]

Answer:

Step-by-step explanation: see attachment below

7 0
3 years ago
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