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Iteru [2.4K]
3 years ago
15

:Select the correct answer from each drop-down menu.

Mathematics
2 answers:
Blizzard [7]3 years ago
6 0

Answer:

Translation

Reflection about x- axis

Step-by-step explanation:

We are given that a triangle XYZ with verticesX(-2,0),Y(-2,-1) and Z(-5,-2) undergoes a transformation to form triangle X'Y'Z' with vertices X'(4,-2),Y'(4,-3) and Z'(1,-4).

X=(-2,0) and X'=(4,-2)

x=-2,x'=4

x'-x=4-(-2)=6

y=0,y'=-2

y'-y=-2-0=-2

Y(-2,-1) and Y'(4,-3)

x'-x=4+2=6

y'-y=-3+1=-2

Z(-5,-2) and Z'(1,-4)

x'-x=1+5=6

y'-y=-4+2=-2

The vertices of triangle XYZ change into vertices of triangle X'Y'Z' by the rule

(x,y)\rightarrow (x+6,y-2)

Hence, the type of transformation that triangle XYZ undergoes is a translation.

Triangle X'Y'Z' undergoes a transformation to form triangle X''Y''Z'' with vertices X''(4,2),Y''(4,3) and Z''(1,4).

We can see that y- coordinate of every point of triangle X'Y'Z' change into positive and x - coordinate remain same.

Reflection about x- axis

(x,y)\rightarrow (x,-y)

Hence, the type of transformation that triangle X'Y'Z' undergoes is a reflection about x- axis.

inysia [295]3 years ago
4 0

Once again, Brainly chokes on my answer, so you get it as a picture.


1) translation

2) reflection

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Hannah buys some shoes in sale marked 40% off she pays 27 for the shoes what price were the shoes the shoes orginally
mezya [45]

Given:

The price of shoes after discount = 27

Discount % = 40%

To find:

The original price of shoes before discount.

Solution:

Let x be the original price of shoes before discount.

The price of shoes after 40% discount is

\text{New price}=x-\dfrac{40}{100}\times x

\text{New price}=x-0.4x

\text{New price}=0.6x

The price of shoes after discount = 27

27=0.6x

\dfrac{27}{0.6}=x

45=x

Therefore, the original price of the shoes is 45.

5 0
3 years ago
Fill the empty boxes to complete the patterns
Darya [45]
Which empty boxes? have you attached any pic?
5 0
4 years ago
What is the length of the diagonal of a TV that measures 2.25 feet high and 4 feet wide?
NikAS [45]

Answer:  Rounded, the diagonal is 4.6 feet

Step-by-step explanation: Use the Pythagorean Theorem:  c² = a² + b²

Then take the square root of c² to find the length

2.25² =5.0625  This is a²

4² = 16  This is b²    Add a² + b²  to get c²

5.o625 + 16 = 21.0625 This is c²

√21.0625 = 4.589389938 This is the square root.

Round this to common measurements or "significant digits"  4.6 feet.

6 0
3 years ago
Out of six computer chips, two are defective. If two chips are randomly chosen for testing (without replacement), compute the pr
Ratling [72]

Answer:

The probability that of the two chips selected both are defective is 0.1089.

Step-by-step explanation:

Let <em>X</em> = number of defective chips.

It is provided that there are 2 defective chips among 6 chips.

The probability of selecting a defective chip is:

P(X)=p=\frac{2}{6}=0.33

A sample of <em>n</em> = 2 chips are selected.

The random variable <em>X</em> follows a Binomial distribution with parameter <em>n</em> = 2 and <em>p</em> = 0.33.

The probability function of a Binomial distribution is:

P(X=x)={n\choose x}p^{x}(1-p)^{n-x};\ x=0, 1, 2, ...

Compute the probability that of the two chips selected both are defective as follows:

P(X=2)={2\choose 2}(0.33)^{2}(1-0.33)^{2-2}=1\times 0.1089\times 1=0.1089

Thus, the probability that of the two chips selected both are defective is 0.1089.

The sample space of selecting two chips is:

S = (1, 2), (1, 3), (1, 4), (1, 5), (1, 6)

     (2, 1),  (2, 3), (2, 4), (2, 5), (2, 6)

     (3, 1), (3, 2), (3, 4), (3, 5), (3, 6)

     (4, 1), (4, 2), (4, 3), (4, 5), (4, 6)

     (5, 1), (5, 2), (5, 3), (5, 4), (5, 6)

     (6, 1), (6, 2), (6, 3), (6, 4), (6, 5)

3 0
3 years ago
PLEASE MAKE SURE HELP MEEEEEEEEE!
Tanzania [10]
Yes it’s correct :))))
6 0
3 years ago
Read 2 more answers
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