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Marina86 [1]
2 years ago
5

X + 4y = -8 x-4y=-8 elimination

Mathematics
1 answer:
Juli2301 [7.4K]2 years ago
6 0

Steps :-

■ Eliminate the equations (subtract them). You'll get the value of 1 variable.

■ Then substitute in another equation to get the value of the other variable.

Answer :-

■ x = -8 & y = 0

See the attachment for the steps.

________

Hope it helps ⚜

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I need help pleaseeee
lana [24]

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7 0
2 years ago
Read 2 more answers
There are 15 students in the preschool class. For every 7 kids there is 1 teacher. Which ratio shows the number of teachers to t
Irina18 [472]

Answer:

1:7

Step-by-step explanation:

1 teacher for every 7 kids

8 0
3 years ago
Find the area of the composite figure.
Rina8888 [55]

Answer:

474.43 m²

Step-by-step explanation:

The shape is composed of a rectangle and a parallelogram

Area of the composite shape = area of the rectangle + area of the parallelogram

= Length*Width + base*height

Where,

Length = 20.9 m

Width = 14.3 m

base = 20.9 m

height = 22.7 - 14.3 = 8.4 m

Area = 20.9*14.3 + 20.9*8.4

Area = 298.87 + 175.56

= 474.43 m²

3 0
3 years ago
Pick the correct answer <br> Thanks so much :)
Over [174]

The linear functions with their slopes ranked from least to greatest are given as follows:

E. I, K, J.

<h3>What is a linear function?</h3>

A linear function is modeled by:

y = mx + b

In which:

  • m is the slope, which is the rate of change, that is, by how much y changes when x changes by 1.
  • b is the y-intercept, which is the value of y when x = 0, and can also be interpreted as the initial value of the function.

In this problem, we have that:

  • Line I is decreasing, hence it has a negative slope.
  • Line K is constant, hence it has a slope of zero.
  • Line J is increasing, hence it has a positive slope.

Hence the linear functions with their slopes ranked from least to greatest are given as follows:

E. I, K, J.

More can be learned about linear functions at brainly.com/question/24808124

#SPJ1

5 0
1 year ago
A parking lot costs $1300 a month to operate, and it spends $260 each
serg [7]

Answer:

p = 190n - 1300

Step-by-step explanation:

Given

Monthly  = 1300

Expenses = 260 per car

Charges = 450 per car

Required

Determine the profit

Let the number of cars be n. So:

Express on n cars is: 260n

Charges on n cars is 450n

The profit (p) is then represented as:

p = Charges - Expenses - Monthly\ Expenses

p = 450n - 260n - 1300

p = 190n - 1300

6 0
2 years ago
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