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Art [367]
3 years ago
6

What is 9x + 20y = −18

Mathematics
1 answer:
mojhsa [17]3 years ago
3 0
Y = 1/10
Alternate form

- 1
y=-0.1, y=-10
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How do I do this. Please help
MakcuM [25]

Answer:

you gotta go to school

Step-by-step explanation:

8 0
3 years ago
Compare the two groups of data. Which statement is true?
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8 0
2 years ago
Which graph represents the circle given by the equation x + y - 4x + 9y -7 = 0?
PSYCHO15rus [73]

The graph of the circle equation is graph (d)

<h3>How to determine the circle?</h3>

The equation is given as:

x^2 + y^2 - 4x + 9y -7 = 0

Rewrite as:

x^2 - 4x + y^2 + 9y = 7

Express (x^2 - 4x) and (y^2 + 9y) as perfect squares.

So, we have:

(x - 2)^2 + (y + 3)^2 = 7 + 4 +  20.25

Evaluate the sum

(x - 2)^2 + (y + 3)^2 = 31.25

A circle equation is represented as:

(x - h)^2 + (y - k)^2 = r^2

Where

Center = (h, k)

Radius = r

So, we have:

(h, k) = (2, -3)

r^2 = 31.25

r = 5.5

The circle that has a center of (2, -3) and a radius of 5.5 is graph d

Hence, the graph of the circle equation is graph (d)

Read more about circle equation at:

brainly.com/question/1559324

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5 0
2 years ago
What is the soulation to 2x - 8 greater than 12
Masteriza [31]

Answer:

x > 10

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
Write a linear function with the values (-1,8) and (5,6)
valentina_108 [34]

Let the function be y = ax + c.

For (-1,8), 8 = a(-1) + c → 8 = - a + c

For (5,6), 6 = a(5) + c → 6 = 5a + c

Subtract one from abother,

2 = - 6a => - 1/3 = a

Hence, 8 = - 1/3 + c → 23/3 = c

Relation is:

y = (-1/3)x + (23/3)

3y = - x + 23

3y = 23 - x

8 0
3 years ago
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