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yarga [219]
3 years ago
11

Please help any one this is hard for me Thank you

Mathematics
1 answer:
steposvetlana [31]3 years ago
6 0
So the formula I use is S = L + 2B
Surface Area = Lateral Area + 2(Base)
In this case, it would be 
Surface Area = Lateral Area + Base, since there is only one base
L= Perimeter(height)
L= 4(3 times 5)
     ----------------
             2
L= 4(15)
     ------
        2
L =60/2
L=30
S= 30 + B
B = 3 times 3 = 9
S= 39

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Suppose xy > 0. Describe the points whose coordinates are solutions to the inequality.
Elan Coil [88]

The solutions fo the inequality are all the points (x, y) that meet these 3 conditions.

  • x ≠ 0
  • y ≠ 0
  • Sign(x) =sign(y)

<h3>Which points are solutions of the inequality?</h3>

We want to find points of the form (x, y) that are solutions of the inequality:

x*y > 0

Clearly x and y must be different than zero.

So, for example if x = -1, y can be any negative number, for example y= -3

x*y > 0

(-1)*(-3) > 0

3 > 0

This is true.

Now if x  = 1, y must be positive. LEt's take y = 103, then:

x*y > 0

1*103 > 0

103 > 0

Then we have 3 conditions:

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  • y ≠ 0
  • Sign(x) =sign(y)

The solutions fo the inequality are all the points (x, y) that meet these 3 conditions.

If you want to learn more about inequalities:

brainly.com/question/25275758

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1 year ago
Which expression gives the determinant of the matrix
BartSMP [9]

If the matrix is of 2 by 2 then we can find the determinant of the matrix.

\begin{bmatrix}a & b\\ c & d\end{bmatrix}

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For example,

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3 0
3 years ago
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Step-by-step explanation:

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A is a reflection.

C is a dilation.

D is a rotation.

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2 years ago
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sladkih [1.3K]
The answer would be x = 85
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attashe74 [19]
5:3

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8 units

800=8 units
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soccer=5 units=5 times 100=500
social=3 units=3 times 100=300



500 soccer players

5 0
2 years ago
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