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2 years ago

Which rule describes the composition of transformations that maps ΔABC to ΔA"B"C"?

Mathematics

2 answers:

sp2606 [1]2 years ago

8 0

Answer:

Option B

Step-by-step explanation:

<u>As per the graph the order of transformations is:</u>

1. 90 degree anticlockwise rotation about origin

This maps ABC to A'B'C'

2. Reflection across x-axis

This map A'B'C' to A''B''C''

Correct option is B (transformations read and applied from right to left)

marishachu [46]2 years ago

4 0

Answer:

its b

Step-by-step explanation:

hope it helps

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The networking organization you joined is throwing a party. You are in charge of buying the chips, which cost $2.50 per bag and

Ksivusya [100]

The given inequality is 2.5x + 4y ≤ 60. x is the bags of chips and y is the jars of salsa,

Replace x and y in the equation with the possible answers and solve:

A) 10 chips and 2 salsas:

2.5(10) +4(2) = 25 + 8 = 32 This is less than 60 so is a solution.

B) 20 chips, 2 salsas:

2.5(20) + 4(2) = 50 + 8 = 58, this is less than 60 so is a solution.

C) 14 chips, 5 salsas:

2.5(14) + 4(5) = 35 + 20 = 55, this is less than 60 so is a solution.

D) 18 chips , 6 salsas:

2.5(18) + 4(6) = 45 + 24 = 69, this is greater than 60 so is not a solution.

18 bags of chips and 6 jars of salsa is not a solution.

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2 years ago

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You are looking out your window in a skyscraper, and again your window is at a height of 450 feet above the ground. This time, h

jarptica [38.1K]

Answer:

The tomato fell from 1027.2ft

Step-by-step explanation:

Parameters given:

Height from window = 450ft

Time taken to get from window to ground = 2 secs

V0, initial speed of tomato from drop point = 0 ft/s

Acceleration due to gravity = 32.2 ft/s^2

When the tomato gets to the observer at the window, its initial speed is no longer 0ft/s but an unknown value, u.

We can apply one of the equations of linear motion to then find this initial velocity at the window using the other parameters given i.e.

s = ut + 1/2 at2^2

s = 450ft

t = 2 secs

a = g = 32.2ft/sec2^2

=> 450 = (u*2) + (1/2 * 32.2 * 2^2)

450 = 2u + 64.4

2u = 450 – 64.4

2u = 385.6

=> u = 192.8ft/s

Now that we know this initial velocity, we can use another equation of linear motion to find the height distance between the drop point and the window ,

v^2 - u^2 = 2gs

where s = distance between drop point and window

v = 192.8ft/s

u = 0ft/s;

=> 192.8^2 - 0^2 = 2*32.2*s

37171.84 = 64.4s

=> s = 37171.84/64.4

s = 577.20ft

Hence, distance from drop point to the ground, H, will be the addition of s and the height from the window to the ground:

=>H = 577.20 + 450

H = 1027.2ft

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2 years ago

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A sequence of two transformations that can be used to show that polygon ABCDE is congruent to polygon GFJIH is followed by .

choli [55]

Answer:

<h2>A rotation -90° around point I.</h2><h2>A translation upwards 2 units.</h2><h2>Step-by-step explanation:</h2>

The given figures are attached.

We have to find two transformations that help to show that both polygon are congruent.

First transformation would be a rotation -90° around point I.

Second transformation would be a translation upwards 2 units.

Applying these transformation, we would have both polygons at the same position, that will show the congruence between them.

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Express 3/4 in sixty-fourths

vesna_86 [32]

It would be 48/64 this is done by finding how many times 4 fits in 64 (64/4) then multiplying 3 by that answer

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Chapter 7 of the Jiuzhang suanshu presents a problem of two linear equations involving acres of land and their respective prices

iVinArrow [24]

Answer: 12.5

Step-by-step explanation:

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