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Mekhanik [1.2K]
3 years ago
9

On a coordinate plane, a line goes through (negative 4, 0) and (0, 2).

Mathematics
2 answers:
anyanavicka [17]3 years ago
5 0

Answer:

correct  y = 7x + 2  (A)

incorrect  y = 3x + 5  (B)

correct  y = 2 minus StartFraction 7 Over 3 EndFraction x  (C)

correct  y – 2 = 4x  (D)

incorrect  3y = –9x – 6  (E)

Step-by-step explanation:

A, C, and E are correct

Kazeer [188]3 years ago
3 0

Answer:

A C D

Step-by-step explanation:

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In a class of 55 21 study physics 24 study geography and 23 study economics and physics. if x students study all three subjects
Rus_ich [418]

The total number of students who studied only two subjects is 13.

The given parameters:

  • <em>Total number of students, n = 55 </em>
  • <em>Number of physics students = 21</em>
  • <em>Number of geography students = 24</em>
  • <em>Number of economics students = 23</em>
  • <em>Number of students for the 3 subjects, = x</em>
  • <em>Number of students who studied non = 2x</em>

The number of students who studied only two subjects can be determined by applying overlapping three sets formula as shown below;

Total = n(phy) + n(geo) + n(econ) + n(none)- n(double) - 2(all \ subjects)\\\\55 = 21 + 24 + 23 + 2x-n(double) - 2(x)\\\\55 =  68- n(double)\\\\n(double) = 68-55\\\\n(double) = 13

Thus, the total number of students who studied only two subjects is 13.

Learn more about overlapping three sets here:  brainly.com/question/2041029

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2 years ago
How do you solve equations and check for solutions
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It all depends on the math question but usually you solve for x, then check it. Plug x back in and see if it works. But it all depends on the math problem

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3 years ago
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The choir teacher is arranging the Junior and Senior choir members in equal rows for an upcoming concert. Each row will contain
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The answer is 9

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What is infinity / infinity?
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Step-by-step explanation:

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Jacob is a teacher. He made 75 cookies to give to his students on the first day of school. He gave 2 cookies to each student who
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Answer:

See explanation

Step-by-step explanation:

Jacob has 75 cookies.

He gave 2 cookies to each student.

Complete the table:

\begin{array}{cc}\text{Number of student arrived}&\text{Number of cookies left}\\1&75-2=73\\2&73-2=71\\3&71-2=69\\...&...\end{array}

Let n be the number of students. After nth student arrived Jacob had left

g(n)=75-2n

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This is an arithmetic sequence with

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g_{n}=g_{n-1}-2\\ \\g(n)=g(n-1)-2

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