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2 years ago

Can someone please help me

Mathematics

1 answer:

Musya8 [376]2 years ago

4 0

Answer: SAS

Step-by-step explanation:

AC = AC (reflexive property)

So we know that AC = AC

Angle 1 = Angle 2 (given)

And AC = BC (given)

They are similar by SAS

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If the diagonal of a square is approximately 12.73, what is the length of its sides?

Alja [10]

Answer:

The length of the sides of the square is 9.0015

Step-by-step explanation:

Given

The diagonal of a square = 12.73

Required

The length of its side

Let the length and the diagonal of the square be represented by L and D, respectively.

So that

D = 12.73

The relationship between the diagonal and the length of a square is given by the Pythagoras theorem as follows:

$D^{2} = L^{2} + L^{2}$

Solving further, we have

$D^{2} = 2L^{2}$

Divide both sides by 2

$\frac{D^{2}}{2} = \frac{2L^{2}}{2}$

$\frac{D^{2}}{2} = L^2$

Take Square root of both sides

$\sqrt{\frac{D^{2}}{2}} = \sqrt{L^2}$

$\sqrt{\frac{D^{2}}{2}} = L$

Reorder

$L = \sqrt{\frac{D^{2}}{2}}$

Now, the value of L can be calculated by substituting 12.73 for D

$L = \sqrt{\frac{12.73^{2}}{2}}$

$L = \sqrt{\frac{162.0529}{2}}$

$L = \sqrt{{81.02645}$

$L = 9.001469325$

$L = 9.0015$ (Approximated)

Hence, the length of the sides of the square is approximately 9.0015

7 0

2 years ago

How to do linear equations 27, 28,28,30

Mekhanik [1.2K]

#27.
First cross multiply
2 (2a-3) = 3 (a-1)
next use the distribute property on both sides
4a - 6 = 3a - 3
combine like terms, subtract 3a from both sides and add 6 to both sides
a = 3

#28
cross multiply
3x = 4, then divide both sides by 3
x = 4/3

#30
add 1/4 to both sides
3/x = 1/2 + 1/4, find a common denominator for the right side fractions
3/x = 2/4 + 1/4 = 3/4
therefore, x = 4

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2 years ago

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mash [69]

Answer:

answer C (0,-9)

Step-by-step explanation:

the line passes through (0,-9)

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2 years ago

in a local coed softball keague, male to female ratio is 6:6. if there is 160 players in the league, how many are female?

Nonamiya [84]

80. Bc a 6:6 ratio is also a 1:1. So half of 160 them would be female.

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ExtremeBDS [4]

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