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Tanzania [10]
3 years ago
6

Three systems of linear equations are shown what are the answers for each one?

Mathematics
1 answer:
Arada [10]3 years ago
6 0

Answer:

A)one solution (3, -3)

B)no solution

C)infinite solution

Step-by-step explanation:

A) The two equations intersect at a point. This point satisfies both equations.

B) The two equations are parallel and never intersect. Therefore no solution.

C) The two equations are stacked on top of one another. No matter with point of the like is chosen, the point will satisfy both equations.

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Select all the correct answers.
Alexus [3.1K]

Answer:

B.Do you have a full-time job?

Step-by-step explanation:

B because having a full time job is very important.

Hope that was helpful.Thank you!!!

7 0
4 years ago
Solve (-5/2)x ‐ 5 = -55
Dmitry_Shevchenko [17]

Answer: 5

Step-by-step explanation: add 5 on each side and you get -50 then divide -5/2 with -50 and get 5

5 0
3 years ago
Determine the equation of a line that passes through the points: (3, 12) and (- 2, -13)
Lorico [155]

Answer:

Step-by-step explanation:

(-13-12)/(-2-3)= -25/-5= 5

y - 12 = 5(x - 3)

y - 12 = 5x - 15

y = 5x - 3

7 0
3 years ago
Alan works at a gym. One week he records the number of people to visit the gym each day. The mean average for Monday to Friday i
stellarik [79]

Answer:

146 people

Step-by-step explanation:

The formula for mean = sum of values/number of values

For Monday to Friday , the average number of people that came = 98

Hence, the total number of people that came is calculated as:

Number of people that attended Monday to Friday = 98 × 5 = 490 people

The number of people that came on Saturday = 162 people

The mean average for the whole week is 114.

The number of days in a week = 7 days

The number of people that came in on Sunday is represented = x

Therefore,

490 + 162 + x/7 = 114

Cross Multiply

652 + x = 798

x = 798 - 652

x = 146 people

Therefore, 146 people visited on Sunday

6 0
3 years ago
A weight loss program advertises a person can attain an average weight loss of 4 pounds per week.
Julli [10]

Answer:

a)  Avg rate of change = 4 pounds per week

b)  160 pounds

Step-by-step explanation:

a)

The average rate of change is also called the slope. It is advertised that a person can loose 4 pounds in a week in the program. So, the average rate of change is 4 pounds per week.

Avg rate of change = 4 pounds per week

b)

In 5 weeks, a person can loose:

4 * 5 = 20 pounds (in 5 weeks)

Initially the person weighed 180 pounds, now after the program, he lost 20 pounds, so his weight will be:

180 - 20 = <u>160 pounds</u>

6 0
3 years ago
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