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3 years ago

The minimum number of triangles needed to construct the polygon Sophia made is 3. Which could show Sophia’s polygon?

Mathematics

2 answers:

schepotkina [342]3 years ago

6 0

I think the answer is 6 or 9 Because the minimum is 3 I hope this helps.

andrew11 [14]3 years ago

6 0

Answer:

6 ( OPTION B){€••€}

Step-by-step explanation:

3 is the minimum and half of 6 is 3✌.

If I can comment

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The value of loga (30a)^3 is

postnew [5]

Part 1 of the solution.

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3 years ago

Solve using the elimination method:<br> X-3y=7<br> 3x + 3y=9

sergij07 [2.7K]

Answer:

$x=4\\\\y=-1$

Step-by-step explanation:

Given Equation:

$x-3y=7$ Equation:1

$3x + 3y=9$ Equation:2

Dividing Equation:2 by '3' both the sides:

$x+y=3$

or $x=3-y$ Equation:3

Putting the vale of 'x' in Equation:1

$x-3y=7$

$(3-y)-3y=7\\\\3-y-3y=7\\\\3-4y=7\\\\$

Subtracting '3' both sides

$-4y=7-3\\\\-4y=4$

$y=\frac{4}{-4}$

$y=-1$

Putting value of 'y' in Equation:3

$x=3-y$

$x=3-(-1)\\\\x=3+1\\\\x=4$

The solution of the equations is :

$x=4\\\\y=-1$

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3 years ago

Will give brainlest if u slove

grin007 [14]

Answer:

Step-by-step explanation:

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2 years ago

Suppose Y varies directly with x, and y = 25 when x = 140. what is the value of x when y = 36?

Tema [17]

25y.......140x

36y..........x

Cross multiply

25x= 36*140

25x= 5040

x= 5040/25

x= 1008/5

x= 201.6

When y=36 the x will = 201.6

I hope that's help !

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3 years ago

Solve the following inequality.45 < 9(x + 3) < 153

oksian1 [2.3K]

In order to solve this inequality, we can do the following steps:

[tex]\begin{gathered} 45<9(x+3)<153\\ \\ \frac{45}{9}Therefore the correct option is B.

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1 year ago