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USPshnik [31]
3 years ago
9

Describe three transformation where the image and preimage have the same size and shape

Mathematics
2 answers:
Harlamova29_29 [7]3 years ago
8 0

Answer:

Translations, Reflections, and Rotations

Step-by-step explanation:

Translations slide a figure, Reflections flip a figure over a desired line, and Rotations turn a figure. All of them keep the same size and shape.

sweet [91]3 years ago
3 0

Answer:

rotation, translation, and rotations

Step-by-step explanation:

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What is the approximate area of the shaded sector in the circle shown below?
Strike441 [17]

Answer:

Correct option is B.

Step-by-step explanation:

Given the radius of circle and the angle in sector we have to find the area of shaded region i.e minor sector.

Radius=r=16 in.

Angle=\theta=110^{\circ}

Area of sector=}\frac{\theta}{360}\times\pi r^2

                      =\frac{110}{360}\times\frac{22}{7}\times(16)^2

                      =\frac{11}{36}\times \frac{22}{7}\times 16\times 16=245.841=246(approx.)

∴ Area of sector is 246in^2

Correct option is B.

4 0
3 years ago
A credit card had an APR of 11.91% all of last year and compounded interest daily. What was the credit card's effective interest
zysi [14]

Solution:- For credit card, there is interest rate for borrowing money from the bank.  

and that interest rate is termed as yearly rate which is known as annual percentage rate (APR).

Now for the given question APR of a credit card i= 11.91%

and compounded interest daily so, n=365 days

Now for effective interest rate r=(1+\frac{i}{n}^n)-1

r=(1+\frac{0.1191}{365})^{365}-1 \\\Rightarrow\ r=(1+0.0003)^{365}-1\\\\\Rightarrow\ r=(1.0003)^{365}-1=1.1238-1=0.1238

=12.38%

So, the effective interest for last interest is 12.38%

6 0
3 years ago
Read 2 more answers
GIVEN BRAINLIEST, 5 STARS, + THANKS
Olin [163]

Answer:

<u>Option B. Side YZ is the same length as side Y'X'.</u>

Step-by-step explanation:

At first the image is for the given question

The true graph is the attached figure.

As shown at the attached figure.

XYZ is reflected across the y-axis and then translated down 6 units to form X'Y'Z'.

So, X' is the image of point X

     Y' is the image of point Y

     Z' is the image of point Z

And ΔXYZ ≅ ΔX'YΔ'Z'

And the corresponding length are congruent.

We will check the options:

A. X has the same measure as X'. ⇒ True

B. Side YZ is the same length as side Y'X'. ⇒ Wrong

Because YZ will be translated to Y'Z'

C. Z has the same measure as Z'. ⇒ True

D. Side XZ is the same length as side X'Z'. ⇒ True

<u>So, The answer is option B. Side YZ is the same length as side Y'X'.</u>

6 0
3 years ago
Please Help FAST
Aneli [31]

Answer:

Step-by-step explanation:

1) 2x -y = 1 -------1

3x - y = -6 ------2

Subtract eqn 2 from eqn 1

-x = 1--6 = 7

x = -7

Put x= -7 in eqn 1

2*-7-y = 1

-14-y = 1

- y = 15

y = -15

2) 4x +2y = 10------1

y = 4x + 2--------2

Put eqn 2 in eqn 1

4x + 2 ( 4x+ 2) = 10

4x + 8x + 4 = 10

12x = 6

x = 6/12 = 1/2

Put x = 1/2 in eqn 2

y = 4* 1/2 + 2= 2 + 2

= 4

3) 6x - y = 2------1

y = 3x + 4---------2

Put eqn 2 in eqn 1

6x - (3x +4) = 2

6x - 3x - 4 = 2

3x = 6

x = 2

y = 3*2 + 4 = 6 + 4

= 10

6 0
3 years ago
-8x^2-3x+5+2x^2+7x-5
denis-greek [22]
-6x^2+4x

my reasoning:
eliminate the opposites (5 & -5)
collect the like terms (-8x^2 & + 2x^2)
collect the like terms again (-3x &+7x)
8 0
3 years ago
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