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katrin2010 [14]
3 years ago
12

Write y = -0.4x + 0.25 in standard form using integers.

Mathematics
1 answer:
Helen [10]3 years ago
3 0

Answer:

8x + 20y = 5

Step-by-step explanation:

the equation of a line in standard form is

Ax + By = C ( A is a positive integer and B, C are integers )

given

y = - 0.4x + 0.25 ( multiply all terms by 20 to eliminate fractions )

20y = - 8x + 5 ( add 8x to both sides )

8x + 20y = 5 ← in standard form


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Simplifying the following<br>expression<br>6 + 2(3-9 + 5) + (- 9)​
Verizon [17]

Answer:

-5

Step-by-step explanation:

First, distribute the 2 to the 3, -9, and 5. You will get 6 + 6 - 18 + 10 + (-9). Then, you can start from the beginning and work through combining the terms. The original equation is in bold after every step.

6 + 6 - 18 + 10 + (-9)

6+6 = 12

12 - 18 + 10 + (-9)

12-18 = -6

- 6 + 10 + (-9)

-6 + 10 = 4

4 + (-9)

4 - 9 = -5

Answer: -5

6 0
3 years ago
The sum of two integers is 8 and their product is -20.<br>What are the integers?​
emmasim [6.3K]

Answer:

The answer to your question is

x = -2 and y = 10     or   x = 10 and y = -2

Step-by-step explanation:

          x + y = 8   (1)      from (1)    x = 8 - y

         xy = - 20    (2)

       

Solve them by substitution

      (8 - y) y = - 20

      8y - y² = -20

      y² - 8y - 20 = 0

   ( y - 10) (y + 2) = 0

    y - 10 = 0              and      y + 2 = 0

   <u> y1 = 10 </u>                               <u>y2 = -2</u>

 x1 = 8 - 10                             x2 = 8 - -2

 <u>x1 = -2</u>                                  <u> x2 = 10</u>

8 0
2 years ago
What is the graph of 4x - 3y = 12?<br><br> urgents please graph
Harlamova29_29 [7]

4x-3y=12

thts the anser

6 0
3 years ago
Seven times a number is equal to 9 more than 4 times the number. find the number
Yanka [14]
Represent 'a number' by x
7 times x equals 9 more than 4 times x
7 times x=9+4 times x
7x=9+4x
subtract 4x from both sides
3x=9
divide 3
x=3

the number is 3
5 0
3 years ago
Question Is In The Picture
Alexxandr [17]

Answer:

30

Step-by-step explanation:

Pythagorean theorem states that a^2 + b^2 = c^2

this theorem only works on triangles with an angle of 90 degrees or a right triangle.

18^2 + 24^2 = 900

the square root of 900 is 30

I did the square root of 900 because the square root is the 'opposite' of squaring which is what you need to do in order to find 'c' is the Pythagorean theorem. 'a' is 18, and 'b' is 24

Answer is 30

5 0
2 years ago
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