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3 years ago

Given the following coordinates complete the glide reflection transformation.

Mathematics

1 answer:

Novosadov [1.4K]3 years ago

7 0

9514 1404 393

Answer:

A"(-1, -2)
B"(4, 0)
C"(6, -3)

Step-by-step explanation:

The reflection over the x-axis is ...

(x, y) ⇒ (x, -y)

The shift left 3 units is ...

(x, y) ⇒ (x -3, y)

So, the two transformations together will be ...

(x, y) ⇒ (x -3, -y)

A(4, 2) ⇒ A"(1, -2)

B(7,0) ⇒ B"(4, 0)

C(9, 3) ⇒ C"(6, -3)

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PLEASE HELP ME

olga_2 [115]

The measure of the angles are ∠A = 91°, ∠C = 89° and ∠D = 34°

Explanation:

Given that the quadrilateral ABCD is inscribed in a circle.

The given angles are ∠A = (2x + 3), ∠C = (2x + 1) and ∠D = (x - 10)

We need to determine the measures of the angles A, C and D

The value of x:

We know that, the opposite angles of a cyclic quadrilateral add up to 180°

Thus, we have,

$\angle A+\angle C=180^{\circ}$

Substituting the values, we have,

$2x+3+2x+1=180$

$4x+4=180$

$4x=176$

$x=44$

Thus, the value of x is 44.

Measure of ∠A:

Substituting $x=44$ in ∠A = (2x + 3)°, we get,

$\angle A=(2(44)+3)^{\circ}$

$=(88+3)^{\circ}$

$\angle A=91^{\circ}$

Thus, the measure of angle A is 91°.

Measure of ∠C :

Substituting $x=44$ in ∠C = (2x + 1)°, we get,

$\angle C=(2(44)+1)^{\circ}$

$=(88+1)^{\circ}$

$\angle C=89^{\circ}$

Thus, the measure of angle C is 89°.

Measure of ∠D :

Substituting $x=44$ in ∠D = (x - 10)°, we get,

$\angle D=(44-10)^{\circ}$

$\angle D=34^{\circ}$

Thus, the measure of angle D is 34°.

Hence, the measure of the angles are ∠A = 91°, ∠C = 89° and ∠D = 34°

7 0

3 years ago

7(6x + 1) = 3(9 – x) Solution ? SOMEONE PLEASEE HELPPP , I NEED HELP STEP BY STEPP !!

Bess [88]

Answer:

x = 4/9

Step-by-step explanation:

7(6x + 1) = 3(9 - x)

First, distribute the 7 and the 3 across the parentheses.

42x + 7 = 27 - 3x

Now, combine the variables. (Add 3x)

45x + 7 = 27

Now, combine the constants. (Subtract 7)

45x = 20

Now, isolate the x. (Divide by 45)

x = 20/45

Simplify.

x = 4/9

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3 years ago

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Nevaeh has read 168 pages of a 210- page book. What percent of the book has Nevaeh not read?

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Answer:

168 ÷ 210 X 100

80 % is your answer

Step-by-step explanation:

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3 years ago

I need help, Please help me.

RUDIKE [14]

Answer:

Yes, SSS

Step-by-step explanation:

Well they are congruent since well the triangles are from a square which means that the sides will all be equal so therefore it is the SSS rule which stands for "side, side, side" meaning all of the sides are equal.

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3 years ago

Cos^-1(cos 43°) PLEASE HELP ME

yulyashka [42]

$\: \: \: \: \:$

$= \cos(1) \cos(43°) \\ \\ in \: \: alternate \: \: form \: \\ \\ = 0.395152$

<h2 />

Step-by-step explanation:

$\cos( - 1) ( \cos(43°))$

simplify the expression usiNg the symmetry of trigonometry

 $= \cos(1) \cos(43°) \\ \\ \\ or \: \: in \: \: alternate \: \: form \\ \\ = 0.395152$ 

<h2>hope it helps</h2>

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Given the following coordinates complete the glide reflection transformation.​

Given the following coordinates complete the glide reflection transformation.