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Korvikt [17]
2 years ago
8

Trapezoid EFGH has coordinates E(−3, 4) , F(1, 4), G(3, 1) , and H(−5, 1) . Trapezoid E'F'G'H' has coordinates E′(−12, 16) , F′(

4, 16), G'(12, 4) , and H′(−20, 4) . Trapezoid E'"F"G"H" has coordinates E′′(12, −16), F′′(−4, −16), G′′(−12, −4) , and H′′(20, −4) .
Which transformations describe why trapezoids EFGH and E'"F"G"H" are similar?

A.​ Trapezoid EFGH ​ was translated 4 units right and 4 units up and then rotated 180° clockwise.

​ B. Trapezoid EFGH ​ was rotated 90° clockwise and then dilated by a scale factor of 4.

C.​ Trapezoid EFGH ​ was dilated by a scale factor of 4 and then rotated 180° counterclockwise.

​D. Trapezoid EFGH ​ was dilated by a scale factor of 14 and then reflected across the x-axis.
Mathematics
2 answers:
julia-pushkina [17]2 years ago
8 0
I believe that the answer would be C
Elan Coil [88]2 years ago
5 0

Answer Very much Correct i took the test

Step-by-step explanation:

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26. A positive whole number is called stable if at least one of its digits has the same value
Kisachek [45]

Answer:

<h2>One</h2>

Step-by-step explanation:

Given the value 78247 a s a stable number because at least one of its digits has the same value  as its position in the number. The 4th number in the value is 4, this makes the number a stable number.

The following are the 3-digits stable numbers that appears in 78247

The first number is 824. This digits are stable numbers because 2 as a number is situated in the same place as the number (2nd position).

Hence, there are only 1 stable 3-digit numbers in the value 78247 since only a value exists as 2 in the value and there is no 1 and 3 in the value.

5 0
2 years ago
A wire that is 0.20 meters long is moved perpendicularly through a magnetic field of strength 0.45 newtons/amperes meter at a sp
Natali [406]

Answer:

Given:

length of the wire = 0.20 meters

magnetic field strength = 0.45 newtons/amperes meter

speed = 10.0 meters per second

emf = B * l * v 

B = flux density ; l = length of the wire ; v = velocity of the conductor

emf = 0.45 newtons / ampere meter * 0.20 meters * 10.0 meters/seconds

emf = 0.90 volts

The emf produced is 0.90 volts.

Step-by-step explanation:

6 0
2 years ago
What is the result of substituting for y in the bottom equation?
zhenek [66]

Answer:

(A)x + 3= x^2 + 2x-4

Step-by-step explanation:

Given the equations:

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

Substitution simply means replacing the variable y in the second equation with its equivalent x+3 from the first equation.

Substitution of y into y=x^2 + 2x-4 gives us:

x + 3= x^2 + 2x-4

The correct option is A.

6 0
2 years ago
Please help ASAP. Quadrilateral CDEF is inscribed in circle A. If the m∠C = 7x + 11° and m∠E = 7x + 1°, what is the measure of ∠
RSB [31]

Answer:

The answer is D

Step-by-step explanation:

∠C + ∠E = 180°(consecutive angles)

7x +11° + 7x + 1° = 180°

14x + 12° = 180°

14x = 168°

x = 12°

∠E = 7x + 1°

= 7(12°) + 1

= 85°

5 0
2 years ago
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faltersainse [42]

the whole statement is true, make sure you read all of your choices next time and list them below.

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