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valkas [14]
2 years ago
5

Which of the following is a perfect square trinomial?

Mathematics
1 answer:
Bezzdna [24]2 years ago
3 0

Answer:

D.~4x^2-20xy+25y^2

Step-by-step explanation:

4x^2-20xy+25y^2\\\\=(2x)^2-2\cdot 2x \cdot 5y+(5y)^2\\\\=(2x-5y)^2

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PLEASE HELP USING THE GRAPH BELOW SELECT ALL STATEMENTS THAT ARE TRUE
Harlamova29_29 [7]
A definitely has to be one because it's a fact and you need to know what it looks like. B isn't true because the greatest integer function rounds down values. C is also not correct because a one-to-one graph has one x-value for every y-value. This one doesn't. D has to be true because f[0] = 0 because the Greatest Integer Function requires it to be. And E is also correct because that's in the definition of a Greatest Integer Function. So, your answers are A, D and E.
5 0
3 years ago
Read 2 more answers
What is 2+(9-5)x7-3/4
Cloud [144]
I got 9.75 hope it's right
5 0
3 years ago
The quadratic regression graphed on the coordinate grid represents the height of a road surface x meters from the center of the
andrew-mc [135]

The height of the surface increases, then decreases, from the center out to the sides of the road.

<h3>What is quadratic equation?</h3>

The polynomial having a degree of 2 is defined as the quadratic equation it means that the variable will have a maximum power of 2.

Let

y------> the height of the surface

x------> the road

we know that

The quadratic regression graphed represent a vertical parabola open downward

The function increase in the interval --------> (-5,0)        

The function decrease in the interval -------->   (0,5)

therefore

The height of the surface increases, then decreases, from the center out to the sides of the road.

To know more about quadratic equation follow

brainly.com/question/1214333

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5 0
2 years ago
Read 2 more answers
Please help i’m very confused
finlep [7]

Answer:

a: 300cm

b: 7m

c 450cm

d: 95 m

Step-by-step explanation:

if the given value is in meters multiply by 100

if the given value is in cm divide by 100

4 0
3 years ago
What is negative 1 plus 1 3rd equal to​
solniwko [45]

Answer:

-2/3(negative two over three)

Step-by-step explanation:

-1+1/3 we cross multiply,which will be-3+1/3 =2/3

dose that make sense???

6 0
3 years ago
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