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RoseWind [281]
3 years ago
12

Part A: Explain why x = 5 makes 4x - 1 5 19 true but not 4x - 1 < 19.

Mathematics
1 answer:
Westkost [7]3 years ago
6 0

9514 1404 393

Answer:

  • 19 ≤ 19 . . . true
  • 19 < 19 . . . false
  • x = 9

Step-by-step explanation:

A) A number cannot be less than itself, but can be equal to itself.

In each case, the left side of the inequality evaluates to 19:

  4(5) -1 = 20 -1 = 19

It is true that 19 is less than or equal to 19. This is true because 19 = 19.

It is not true that 19 is less than 19. A number cannot be less than itself.

__

B) 5x +2 = 47

  5x = 45 . . . . . . subtract 2 from both sides

  x = 9 . . . . . . . . . divide both sides by 5

The element 9 from the set is the solution to the equation.

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2.1 If 5 + 3 = 0 and &lt; 0, evaluate (without using a calculator):
Sergeeva-Olga [200]

1. 18

2.8

3.-1

<h3>What is expression?</h3>

An expression is a set of terms combined using the operations +, – , x or ,/.

Given:

1. 22 − 1 (4)

=22- 1*4

= 22-4

= 18

2. 2 + 2 (3)

=2+2*3

=2+6

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3. 1 − 2

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6 0
2 years ago
Someone please help me out:(
gogolik [260]
SAS mmmmmmmmmmmmmmmmmmm
5 0
3 years ago
PLEASE ANSWER + BRAINLIEST!!!!
zavuch27 [327]

Answer:100 + 3.2t = b


Step-by-step explanation: first off i would organize the data then find the varible(s) after you have all of the data organized with the verible(s) then find what number the varibles belong to. after that is done you would make

the equation which should look like 100 + 3.2t = b


8 0
3 years ago
1. 3,742 x 6= help with step by step
xenn [34]

Answer: The answer is 22,452

Step-by-step explanation: Multiply 6×2 which will be 12

Put the 1 from the 12 on top of the 4 then do 4×6+1 it will equal 25

Then put the 2 on top of the 7 then do 7×6+2 it will equal 44

Then put the 4 on top of the 3 then do 3×6+4 it will equal 22

And that's how you get your answer.

5 0
3 years ago
Malik wrote 18 ➗6 = 3. Which problem can he solve using this equation?
ki77a [65]

Answer: Anything for example:

Malik has 6 friend, he wants to equally give them some of the 18 cookies he back earlier that morning. How much will he give each person?

Step-by-step explanation: And the answer will be 3

6 0
3 years ago
Read 2 more answers
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