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mylen [45]
3 years ago
7

Solve: 7x-12< 7( x-1)

Mathematics
1 answer:
Serggg [28]3 years ago
6 0

Answer:

no solution

Step-by-step explanation:

7x-12<7x-7

-13<-7

no solution

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Select the linear equation represented in the graph.
AnnZ [28]
To find the linear equation, use the slope formula y = mx+b, where b is the value of the y-intercept and m is rise/run.

The line rises 1 unit and runs (left to right) -5 units. (you could also say the line runs -1 units and runs 5 units, they will both give the same answer). Rise/run, 1/-5 = -1/5.

The y-intercept is the y value where the line touches the y-axis. In this case, it is +1.

Plug the information into the equation. m = -1/5 and y = 1. y = -1/5x + 1
4 0
3 years ago
What is the z-score for a patient who takes 7 days to recover? (choose the closest possibility.)
Kisachek [45]

Based on the time it took the patient to recover and the mean and standard deviation, the z-score is 1.5.

<h3>What is the z-score?</h3>

The z-score for this patient who takes 7 days to recover can be found as:

= (Time taken to recover - Mean) / Standard deviation

Solving for the z-score gives:

= (7 - 5.2) / 1.2

= 1.8 / 1.2

= 1.5

The first part of the question is:

The patient recovery time from a particular surgical procedure is normally distributed with a mean of 5.2 days and a standard deviation of 1.2 days.

Find out more on the z-score at brainly.com/question/25638875

#SPJ4

5 0
2 years ago
A student concluded that the inequality -3+2y&lt;4x is equivalent to the inequality y&gt;2x+3/2, as shown below. Describe and co
svlad2 [7]

Step-by-step explanation:

-3+2y<4x

then

2y< 4x+ 3 (add both sides with 3)

y < 2x +3/2 ( divide both sides by 2 that is positif and we do not change the sens < )

Hope you understand.

4 0
3 years ago
Plz help me ✌️✌️✌️✌️✌️✌️✌️✌️✌️
hodyreva [135]

Answer:

looking at this picture i see that the x value is -30 and the y value is 30

and looking at this it looks like the slope is 30°.

Step-by-step explanation:

not sure if this is right because i have a blank memory about things i learned in pre alg.

but if i'm wrong forgive me.

and if i'm right good luck on whatever you are doing.

5 0
3 years ago
Read 2 more answers
Marcia has a licorice rope that is 28 inches long. She wants to cut it into 3,-inch pieces to share with friends. How many piece
diamong [38]

Answer:

9 pieces

Step-by-step explanation:

28 inches rope cut into 3-inch pieces

  • 28/3 = 9 1/3

There is no matching answer choice, if given numbers are correct then the answer is 9 full pieces

---------

<u>Note:</u>

  • The close answer choice is 8
  • 28/8 = 3 1/2 or 3.5
  • So if cut into 3.5 inch pieces then it is 8 full pieces
  • just in case it was typo 3 instead of 3.5
8 0
3 years ago
Read 2 more answers
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