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3 years ago

Graph the equations to solve the system y= -2x+1 y= -x +4

Mathematics

1 answer:

Leokris [45]3 years ago

6 0

Answer:

(-3, 7)

General Formulas and Concepts:

<u>Algebra I</u>

Functions

Graphing

Reading a Cartesian Plane
Coordinates (x, y)

Solving systems of equations by graphing

Step-by-step explanation:

Where the 2 equations intersect is the solution to the systems of equations.

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3 years ago

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3 years ago

A professor grades students on four tests, a term paper, and a final examination. Each test counts as 15% of the course grade. T

klemol [59]

Answer:

The Alan's average for course is 72.65.

Step-by-step explanation:

Given that,

Each test counts as 15% of the course grade. 20% of course grade is counted term test paper. Alan has test scores of 79, 95, 89, and 81. Alan got 81 score on his term paper . Alan's final examination score = 85.

$\sum w=1$

Let n number x₁,x₂,......., $x_n$ with respect to assigned weight $w_1$ , $w_2$ ,......., $w_n$ is

${\textrm{weighted mean}}= \frac{\sum w.x}{\sum w}$

Where $\sum w.x$ is the sum of the products the number with the relevant weight.

weighted mean $=\frac{79\times 15\%+95 \times 15\%+89\times 15\%+81\times 20\%+85\times20\%}{1}$

=72.65

The Alan's average for course is 72.65.

7 0

3 years ago