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cricket20 [7]
2 years ago
5

According to a study, 18 out of 20 people are right-handed. What fraction of people are left-handed?

Mathematics
1 answer:
SVEN [57.7K]2 years ago
4 0

Answer:9/10

Step-by-step explanation:

It can be simplified to that! hope this helped :)

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In attempting to solve the system of equations and , John graphed the two equations on his graphing calculator. Because he saw o
asambeis [7]

Answer:

The correct answer is NO.

Step-by-step explanation:

John is graphing two lines with equations say ax + by + c = 0 and dx + ey +f =0 on his graphing calculator.

For John to get a unique solution the coefficients should follow the following condition \frac{a}{d} \neq \frac{b}{e}. So when he plots the lines he get an intersecting pair of lines.

For John to get no solution the coefficients should follow the following condition \frac{a}{d} = \frac{b}{e} \neq  \frac{c}{f}. When we plot in this case we get two parallel lines.

For John to get an infinite many solution the coefficients should follow the following condition \frac{a}{d} = \frac{b}{e} = \frac{c}{f}. And when we plot the lines in this case we get one line superimposed on the other.

Since after graphing, John sees only one line, the lines must have superimposed on one another giving John an infinite number of solutions.

5 0
3 years ago
In 6-8, each table represents a linear relationship. Use the slope formula to find the slope or rate of change shown in each tab
dimaraw [331]

The slopes of the relationships are given as follows:

6. 5.

7. 1.

<h3>What is the complete question?</h3>

The problem is incomplete, as the tables are not readable, but researching it on a search engine, we find that:

  • For item 6, we have points (2,8) and (6,28).
  • For item 7, we have points (-6,5) and (4,10).

<h3>How to find the slope of a line given two points?</h3>

Given two points in the format (x,y), the slope of the line is given by change in y divided by change in x.

Hence, the slopes for each problem are given as follows:

6. m = (28 - 8)/(6 - 2) = 20/4 = 5.

7. m = (10 - 5)/(4 - (-6)) = 10/10 = 1.

More can be learned about the slope of a line at brainly.com/question/24808124

#SPJ1

5 0
1 year ago
Read 2 more answers
Please help ASAP the question is in the picture and please explain why and how u got the answer
Lemur [1.5K]
could you show the picture up closer, so i can see?
6 0
3 years ago
The area of these shapes are?
kipiarov [429]
Answer:
Figure 1:
Area = 390ft^2

Figure 2:
Area = 325.17 ft^2
7 0
3 years ago
Which number line represents the solution set for the inequality –4(x + 3) ≤ –2 – 2x?
Delicious77 [7]

Answer:

–4(x + 3) ≤ –2 – 2x

>>.....-4x -12 ≤ -2 -2x

>>  -12 +2 ≤ +2x  

>> - 10 ≤ 2x

>> -5 ≤ x............>> x >= -5  

Step-by-step explanation:

you didn't post any number lines...

3 0
3 years ago
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