MATHEMATICS HIGH SCHOOL

What is the domain of the function f(x)=2x+5? A. all real numbers except 2
B. all real number
C. all real numbers except 5
D. all positive real numbers

Answers

Answer 1
Answer: the answer is all real numbers :)
Answer 2
Answer:

Answer:

Step-by-step explanation:

All Real Numbers

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Factor the common factor out of each expression.

Answers

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Bryan is buying notebooks and pens at an office supply store. Notebooks cost $3.59 and pens cost $1.49. He can spend up to $13 on these items. Let x represent the number of notebooks. Let y represent the number of pens. Enter an inequality that represents the situation.

Answers

Answer:if the notebooks cost 3.59 and pens cost 1.49, with x representing the notebooks and y representing the number of pens and an amount of $13, the inequality would be written as 3.59x+1.49y13

Step-by-step explanation:

Berta determined that the solution is (–2, 3). Which could have been the equation Berta found in step 1? 4x = 0 5x = 10 5x = –10 5x = –25

Answers

The equation that Berta determined could be 5x = - 10.

What is a numerical expression?

A numerical expression is a mathematical statement written in the form of numbers and unknown variables. We can form numerical expressions from statements.

Given, Berta determined that the solution is (- 2, 3).

From the given options the only x-coordinate value satisfying is

5x = - 10.

As at x = - 2.

5(-2) = - 10.

- 10 = - 10.

The solution (- 2, 3) can also be called as an ordered pair.

learn more about numerical expressions here :

brainly.com/question/29199574

#SPJ2

Answer:

Answer is 5x=-10

Step-by-step explanation:

I just did the assignment.

200 books ; 75% decrease

Answers

the answer is 150 because you figure that 75 is 3/4 of 100. and 1/4 of 200 is 50. or you can do

.75*200=150

Hey I need help on finding where this girl messed up and can you tell me where she did?

Answers

step 4    because where did she get the 2 there was no two hope this helps hope i am brainliest 

Find the product. Do not round.

2.78 · 9.3 =

Answers

Answer:

25.854

Step-by-step explanation:

We are given that

2.78\cdot 9.3

We have to find the given product.

To find the product we will remove the decimal.

In 2.78 when we remove the decimal then we write 100 in denominator because here is decimal after two digit from right  side.

In 9.3, when we remove the decimal then we write 10 in denominator because decimal after one digit from right side.

(278)/(100)* (93)/(10)

Multiply numerator with numerator and denominator with denominator

(25854)/(1000)=25.854

We write decimal after three digits from right side because denominator is 1000.

Hence, 2.78\cdot 9.3=25.854
the answer is 25.854
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