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Lilit [14]
2 years ago
15

Dalia is performing transformations on the preimage of a triangle in the coordinate plane. She shifts and the spins the triangle

. Which names the transformations she performed, in order?
rotation, reflection
translation, reflection
translation, rotation
reflection, rotation
Mathematics
1 answer:
Zielflug [23.3K]2 years ago
6 0

Answer:

translation, rotation

Step-by-step explanation:

A translation is sliding around or moving around/shifting so the first one is translation. A rotation is spinning it around to a different angle so the second is a rotation. Hope this helps!!

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Find the total area for the regular pyramid.<br><br><br><br> T. A. =
Allisa [31]
The total area is:
 A = Ab + Al
 Where,
 Ab: base area
 Al: lateral area
 We have then:
 For the base area:
 Ab = (2) * (2)
 Ab = 4 units ^ 2
 For the lateral area:
 Al = (4) * (1/2) * (2) * (root ((1) ^ 2 + (3) ^ 2))
 Al = (4) * (root (1 + 9))
 Al = 4raiz (10) units ^ 2
 Total area:
 A = 4 + 4raiz (10)
 Answer:
 
A = 4 + 4raiz (10)
7 0
3 years ago
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Eddie is fishing. He has 1 and one fourth ounces of weight on his line, but his bait isn't getting to the bottom of the lake. Ed
vladimir1956 [14]
1 1/4 + 1/2 + 3/4 = 
5/4 + 1/2 + 3/4 =
5/4 + 2/4 + 3/4 =
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4 0
2 years ago
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Fantasty-N-Fun sells gaming cards for $9.99 but they pay only $6.75 per card. What is the percent markup
Sliva [168]
100%=9.99
×%=6.75

9.99x=100×6.75
9.99X=675

X=675/9.99
67.567% or 67.57

you could also say:

6.75/9.99=0.67567

0.67567×100=67.57%

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6 0
3 years ago
If m&lt;FHI=142, what are m&lt;FHG and m&lt;GHI​
lisabon 2012 [21]
<h3>Answers:</h3>

angle FHG = 42 degrees

angle GHI = 100 degrees

=========================================================

Explanation:

FHI is the largest angle. It is split into two pieces FHG and GHI which have measures of (3x+6) and (9x-8) degrees respectively.

Put another way, those two smaller angles (FHG and GHI) combine to form the larger angle (FHI)

This is the angle addition postulate.

------------------

(angle FHG) + (angle GHI) = angle FHI

(3x+6) + (9x-8) = 142

3x+6+9x-8 = 142

(3x+9x) + (6-8) = 142

12x - 2 = 142

12x-2+2 = 142+2 ... adding 2 to both sides

12x = 144

12x/12 = 144/12 .... dividing both sides by 12

x = 12

------------------

Use that x value to find the angles we're after

angle FHG = 3x+6 = 3*12+6 = 36+6 = 42

angle GHI = 9x-8 = 9*12-8 = 108-8 = 100

Note how

(angle FHG) + (angle GHI) = 42 + 100 = 142

which is the measure of angle FHI. This confirms the answers.

8 0
2 years ago
What is the equation of the line that passes through (0, 2) and (-3, 14) in slope-intercept
Vinvika [58]
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First put it in slope point form
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Simplify
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So...
y=-4x+2
6 0
2 years ago
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