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Alex73 [517]
3 years ago
13

Find the area of every square that can be drawn by connecting dots on a 3 dot-by-3 dot grid.

Mathematics
2 answers:
Oduvanchick [21]3 years ago
8 0

Answer:

2 thank you next

Step-by-step explanation:

Dafna1 [17]3 years ago
5 0
I could be wrong, but it seems that there are only 2 possible squares in this grid.
•One square has a side length of 2, meaning that the area is 2x2 which is 4 units squared (can be written as 4 units^2)
•The other square has side lengths of 1. 1x1=1 unit^2.

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Solve the system of equations: y= x^2 + 2x - 3 and y=3x+ 3.
Semenov [28]

Answer:

(-2, -3)

(3, 12)

Step-by-step explanation:

To solve this, we're gonna get rid of the y's with substitution

x² + 2x - 3 = 3x + 3

Let's make this equation equal to zero

Subtract 3 from both sides

x² + 2x - 3 = 3x + 3

            - 3         - 3

x² + 2x - 6 = 3x

Subtract 3x from both sides

x² + 2x - 6 = 3x

    - 3x        - 3x

x² - x - 6 = 0

Factor the equation

(x - 3)(x + 2) = 0

This means x can be -2 or 3

Let's solve it with -2 first, plug the new x in y = 3x + 3

y = 3(-2) + 3

y = -6 + 3 = -3

Do the same for x = 3

y = 3(3) + 3

y = 9 + 3 = 12

3 0
2 years ago
Mrs.johnson is working on math with a group of students. she has a total of 15 students. 9 of them are girls. what is the ratio
Gnoma [55]

Answer:

6

Step-by-step explanation:

the rest are boys

7 0
3 years ago
Carrie has 300 marbles 25 of the marbles are green 15% of the marbles are red and the rest of the marbles are blue how many blue
Rus_ich [418]

Answer:

230.

Step-by-step explanation:

\:  \:  \:  \: 300 - 25 -  \frac{15}{100}  \times 300 =  \\  = 275 - 45 =  \\  = 230

Hope this helps!

4 0
3 years ago
Read 2 more answers
The variables x and y vary inversely If x=5 when y=12, then find the value of x when y=32
Vilka [71]

Answer:

x=15/8

Step-by-step explanation:

Inverse variation is given by

xy = k

Substituting x=5 and y=12

5*12 = k

60 =k

Our original equation is xy = 60

Now let y=32

x*32 = 60

Divide each side by 32

32x/32 = 60/32

Divide top and bottom by 4

x = 15/8

4 0
3 years ago
5x-2=3x+4 what does x equal
kozerog [31]

Answer:

Step-by-step explanation:

1. 5x-2=3x+4

      +2      +2

2. 5x=3x+6

   -3x -3x

3. 2x=6

    /2   /2

x=3

5 0
3 years ago
Read 2 more answers
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