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Alla [95]
2 years ago
10

Please help! I will give out brainlist.

Mathematics
1 answer:
Ainat [17]2 years ago
7 0

Answer:

Step-by-step explanation:

This is a Pythagorean Theorem Question

c^2 = a^2 + b^2

c= sqrt(5)

a = x

b = x            This is an isosceles right triangle. The vertical side and the horizontal side are equal.

x^2 + x^2  =  sqrt(5)^2

2x^2 = 5                           Divide both sides by 2

x^2 = 5/2                          Take the sqrt of both sides.

√x^2 = √5 / √2                Multiply right side by √2 on both top and bottom

x = √5*√2 / √2*√2

x = √10 /2

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4x^2+12xy+9y^2 tại x=2, y=2
Katena32 [7]

Step-by-step explanation:

hope it's helpful for you

PLS REFER THE ABOVE ATTACHMENT

6 0
2 years ago
hello this is a thing that i have to do in a few days i posted it earlier bc no one likes to answer my questions anywayy correct
AlekseyPX

Answer:

Step-by-step explanation:

3 0
3 years ago
The length of the side of a square is equal to the perimeter of the square divided by four. Which shows the correct graph relati
serious [3.7K]

Answer:

On a coordinate plane, the x-axis is labeled Perimeter of a square, and the y-axis is labeled Side length of a square. A line goes through points (4, 1), (8, 2).

Step-by-step explanation:

Let

x ----> the perimeter of the square

y ---> the side length of the square

Remember that

The perimeter of the square is given by the expression

P=4b

where

b is the length side of the square

solve for b

b=\frac{1}{4}P

That means

A ordered  pair in the coordinate plane following the rule

(x,y) -----> (x,x/4)

The y-coordinate is equal to the x-coordinate divided by 4

y=x/4

therefore

On a coordinate plane, the x-axis is labeled Perimeter of a square, and the y-axis is labeled Side length of a square. A line goes through points (4, 1), (8, 2).

Because

For the point (4,1)

substitute in the linear equation the value of x

y=4/4=1 ----> is ok

For the point (8,2)

substitute in the linear equation the value of x

y=8/4=2 ----> is ok

8 0
3 years ago
Can someone help me with this proof
larisa86 [58]

The fourth option is the correct answer.

Hope this helps! ;)

8 0
3 years ago
Read 2 more answers
Help please i really need help
Darya [45]
The answer is Table 4.
4 0
2 years ago
Read 2 more answers
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