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Natali5045456 [20]
3 years ago
5

Graph the system of inequalities. Then use your graph to determine which points are solutions of the system.

Mathematics
1 answer:
stepan [7]3 years ago
4 0

Answer:

A and E

Step-by-step explanation:

That's where they overlap

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7x-3y=21<br><br> Find the intercept
Cerrena [4.2K]
Y-intercept:

Plug in 0 for 'x' to find the y-intercept:

7x - 3y = 21

7(0) - 3y = 21

0 - 3y = 21

-3y = 21

Divide -3 to both sides:

y = -7

So the y-intercept is -7.

x-intercept:

7x - 3y = 21

Plug in 0 for 'y' to find the x-intercept.

7x - 3(0) = 21

7x - 0 = 21

7x = 21

Divide 7 to both sides:

x = 3

So the x-intercept is 3.
3 0
2 years ago
Which of these statements is correct
Travka [436]

Answer:

The system of equations 8x-3y=10 and 16x-6y=22 has no solution

Step-by-step explanation:

When both of the above equations are put into standard form, you get ...

8x - 3y = 10

8x - 3y = 11

This is an "inconsistent" pair of equations. There are no values of x and y that can satisfy both equations, hence there is no solution.

7 0
3 years ago
A pizza company uses equation C = 15n to calculate the cost of buying a number of pizzas. What is the constant of proportionalit
Lorico [155]

Answer:

29

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Solving the following system using the elimination of substitution method.<br> 5a+3b=11<br> -2a+3=b
PSYCHO15rus [73]

Answer:

a = -2

b = 7

Step-by-step explanation:

5a+3b=11

-2a+3=b

substitute for b:

5a + 3(-2a + 3) = 11

5a -6a + 9 = 11

-a = 2

a = -2

b = 7

4 0
2 years ago
Find the equation of the line with slope 3/7 and that passes through the point (14, 0). Write your answer in the form y = mx + b
Allushta [10]

Answer:

y = 3/7x - 6

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Order of Operations: BPEMDAS
  • Equality Properties

<u>Algebra I</u>

Slope-Intercept Form: y = mx + b

  • m - slope
  • b - y-intercept

Step-by-step explanation:

<u>Step 1: Define</u>

Slope <em>m</em> = 3/7

Point (14, 0)

<u>Step 2: Find y-intercept </u><em><u>b</u></em>

  1. Substitute:                    0 = 3/7(14) + b
  2. Multiply:                        0 = 6 + b
  3. Isolate <em>b</em>:                       -6 = b
  4. Rewrite:                         b = -6

<u>Step 3: Write linear equation</u>

y = 3/7x - 6

7 0
3 years ago
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