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katrin [286]
2 years ago
11

Systems of equations with graphing

Mathematics
2 answers:
frez [133]2 years ago
5 0
The points intercept at x= -7/5 and y=8/5
OlgaM077 [116]2 years ago
3 0

Answer:

x= negative 1 and 2/5 y=1 and 3/5

Step-by-step explanation:

1. Start by putting both equations into slope-intercept form.  (y=mx+b)

-3x+3y=9

-3x+3x+3y=9+3x

3y=9+3x

3y/3=9+3x/3

y=3+x

2x-7y=-14

2x-2x-7y=-14-2x

-7y=-14-2x

-7y/-7=-14/-7-2x/-7

y=2+2/7x

2. Graph the equations and find where they intercept.

You might be interested in
A company policy requires that for every 30 employees, there must be 3 supervisors. If there are 267 supervisors at the company,
Alexus [3.1K]

267 supervisors will have 2670 employees.

Step-by-step explanation:

Let x be the number of employees.

Given,

3 supervisors = 30 employees

1 supervisor = \frac{30}{3}

1 supervisor = 10 employees

As one supervisor has 10 employees, 267 supervisors will have;

x = 267*10

x= 2670 employees

267 supervisors will have 2670 employees.

Keywords: Multiplication.

Learn more about multiplication at:

  • brainly.com/question/8782252
  • brainly.com/question/877887

#LearnwithBrainly

4 0
3 years ago
A spinner has 12 equal sections:5 red 4 green and the rest are black. In 921 spins how many times can you expect to spin black?
Komok [63]

Answer:

230

Step-by-step explanation:

12 sections total

5 red, 4 green, the rest black

12-5-4 = 3 sections are black

3/12 = 1/4 of the sections are black

1/4 represents the probability of landing on black for one spin

(1/4)*921 = 230.25 which rounds to 230

We expect to land on a black section about 230 times out of 921 times total.

8 0
3 years ago
HELP!
Marina86 [1]

Answer:

117.3 ft³

Step-by-step explanation:

The equation for the volume of a cone of radius r and height h is

V = (1/3) π r² h.

Here, V = (1/3) π (4 ft)² (7 ft) = 117.3 ft³

3 0
3 years ago
What is the function value of f 4
Schach [20]

Answer:

0

Step-by-step explanation:

Substitute to get 4^2-8/ 4^2 equals 8, 8-8=0

hope this helps

4 0
3 years ago
1/2a - 4<br> Pls help<br> Meeeeee<br> Eeeeeeee
PolarNik [594]
1/2a - 4
Add 4 to both sides.
1/2a = 4
Divide both sides by 1/2.
a = 8
3 0
2 years ago
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