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3 years ago

Which letter has at least one line of symmetry F W Z S

Mathematics

2 answers:

Alecsey [184]3 years ago

8 0

W has a least one line of symmetry

That is because when you cut W in half, you would see that both sides are completely equal to each other

bekas [8.4K]3 years ago

3 0

W has at lest one line of symmetry because if you were to split the W in half you would have the same on each side

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Triangle ABC is congruent to triangle DFE. Find x.

Archy [21]

ΔABC ≡ ΔDFE

⇒ line EF = BC

<u>Solve x:</u>

3x - 4 = 20

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x = 8

Answer: x = 8

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3 years ago

4=y divided by 3. what is y

Marrrta [24]

Answer:

y = 9

Step-by-step explanation:

1) Multiply both sides by 3.

3 × 3 = y

2) Simplfiy 3 × 3 to 9.

9 = y

3) Switch sides.

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2 years ago

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What value added to x^2+2x would complete the square?

svetlana [45]

D is the only one which would make sense :)

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3 years ago

Which of the five situation that is applied in real life is situation number___?why?<br>

snow_lady [41]

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2 years ago

Find an equation for those points P such that the distance from P to A(0, 1, 2) is equal to the distance from P to B(6, 4, 2). W

suter [353]

Answer: The required equation for points P is $4x+2y=17.$

Step-by-step explanation: We are give two points A(0, 1, 2) and B(6, 4, 2).

To find the equation for points P such that the distance of P from both A and B are equal.

We know that the distance between two points R(a, b, c) and S(d, e, f) is given by

$RS=\sqrt{(d-a)^2+(e-b)^2+(f-c)^2}.$

Let the point P be represented by (x, y, z).

According to the given information, we have

$PA=PB\\\\\Rightarrow \sqrt{(x-0)^2+(y-1)^2+(z-2)^2}=\sqrt{(x-6)^2+(y-4)^2+(z-2)^2}\\\\\Rightarrow x^2+y^2-2y+1+z^2-4z+4=x^2-12x+36+y^2-8y+16+z^2-4z+4~~~~~~~[\textup{Squaring both sides}]\\\\\Rightarrow -2y+1=-12x-8y+52\\\\\Rightarrow 12x+6y=51\\\\\Rightarrow 4x+2y=17.$

Thus, the required equation for points P is $4x+2y=17.$

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3 years ago