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Gala2k [10]
4 years ago
6

Trapezoid WKLX has vertices W(2, −3), K(4, −3), L(5, −2), and X(1, −2). Trapezoid WKLX was reflected across the y-axis to produc

e trapezoid WꞌKꞌLꞌXꞌ.
Which coordinates describe the vertices of the image?


A.
Wꞌ(2, 3), Kꞌ(4, 3), Lꞌ(5, 2), and Xꞌ(1, 2)

B.
Wꞌ(−2, −3), Kꞌ(−4, −3), Lꞌ(−5, −2), and Xꞌ(−1, −2)

C.
Wꞌ(−3, −2), Kꞌ(−3, −4), Lꞌ(−2, −5), and Xꞌ(−2, −1)

D.
Wꞌ(–3, 2), Kꞌ(4, –3), Lꞌ(–2, 5), and Xꞌ(–2, 1)
Mathematics
1 answer:
earnstyle [38]4 years ago
6 0
The correct answer for the question that is being presented above is this one: "C. Wꞌ(−3, −2), Kꞌ(−3, −4), Lꞌ(−2, −5), and Xꞌ(−2, −1)." Trapezoid WKLX has vertices W(2, −3), K(4, −3), L(5, −2), and X(1, −2). Trapezoid WKLX was reflected across the y-axis to produce trapezoid WꞌKꞌLꞌXꞌ.
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The perimeter of the rectangular room is 96 feet. If the length is 6 feet more than the width, find the dimensions of the room.
n200080 [17]

Answer:

27ft by 21ft

Step-by-step explanation:

In this particular question, we are made to know that the length is 6ft longer than the width.

This mathematically means that if the length is Xft, the width would be (x-6)ft

Since the shape is a rectangle, we know that P = 2(L + B )

Applying this to the measurements we have,

2( x + x - 6) = 96

4x - 12 = 96

4x = 12 + 96

4x = 108

x = 108/4 = 27

Since x = length = 27

width = x - 6 = 27 - 6 = 21

Hence, the dimension of the rectangular room is 27ft by 21ft

5 0
3 years ago
Find the value of c that makes the expression a perfect square trinomial.
Bingel [31]

Answer:

c = 3.24

(x+1.8)²

Step-by-step explanation:

The question wants you to fill in the last term.

To find the last term, you must use the formula (b/2)^2.

Let's use this formula for the equation you gave: x²+3.6x+c

c = (b/2)²

c = (3.6/2)²

c = 3.24

That is the value of c.

Let's plug in c in the last term for better understanding.

x²+3.6x+3.24 is now factorable.

  • You can complete the square or use the quadratic formula to factor.

The factored form will turn out to be : (x+1.8)²

4 0
3 years ago
What is the area, in square units, of the parallelogram shown below?
grin007 [14]

Answer:

96 square units

Step-by-step explanation:

The area of a parallelogram is calculated by multiplying height × base

The height given for this parallelogram is 12 units and base is 8 units

12 × 8 = 96 square units

4 0
3 years ago
Read 2 more answers
If u put 2500 in an account at an annual rate of 5.6 with interest compounded annually, what is annual percentage yield
Alexus [3.1K]

Answer:

5.6%

Step-by-step explanation:

The computation of the annual percentage yield is shown below:

Given that

Initial investment amount is 2,500

And, there is an annual rate of interest i.e. 5.6%

Since we have to determine the annual percentage yield i.e. equivalent to the annual rate of interest i.e. 5.6%

Hence, the above represent the answer

4 0
3 years ago
The length of a rectangle is increasing at a rate of 9 cm/s and its width is increasing at a rate of 4 cm/s. When the length is
Setler [38]

Answer:

The area of the rectangle is increasing at a rate of 168 square centimeters per second.

Step-by-step explanation:

Geometrically speaking, the area of a rectangle (A), in square centimeters, is described by following expression:

A = w\cdot l (1)

Where:

w - Width, in centimeters.

h - Height, in centimeters.

By Differential Calculus, we find an expression for the rate of change of the area of the rectangle (\dot A), in square centimeters per second:

\dot A = \dot w\cdot l + w\cdot \dot l (2)

Where:

\dot w - Rate of change of the width of the rectangle, in centimeters per second.

\dot l - Rate of change of the length of the rectangle, in centimeters per second.

If we know that w = 12\,cm, l = 15\,cm, \dot w = 4\,\frac{cm}{s} and \dot l = 9\,\frac{cm}{s}, then the rate of change of the area of the rectangle is:

\dot A = \dot w\cdot l + w\cdot \dot l

\dot A = 168\,\frac{cm^{2}}{s}

The area of the rectangle is increasing at a rate of 168 square centimeters per second.

6 0
3 years ago
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