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skad [1K]
3 years ago
11

Match the vocabulary word with the correct definition.

Mathematics
1 answer:
svetlana [45]3 years ago
8 0

Answer:

1. right triangle - a triangle with one angle that measures 90 degrees

2.radius- a line segment from the center of a circle to any point on the circle

3. ray- a part of a line that has 1 endpoint that goes in one direction forever

4. rotational symmetry- a property that allows a figure to be rotated less than 360 degrees and still look the same

5. regular polygon- a polygon whose sides are all the same lengths and whose angles are the same measure

6. reflection- a transformation in which a figure is flipped across a line to give a mirror image of the original figure

Step-by-step explanation:

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DELL LAPTOP WITH A RETAIL PRICE OF $525 FOR ONLY $393.75 what is the percent of change
Alex73 [517]
That is a 25% decrease. 

8 0
3 years ago
Factor 9x^+12x+4=0 please help
UkoKoshka [18]

Answer:

(3x+2) ^2

x = -2/3

Step-by-step explanation:

9x^2+12x+4 = 0

We need to recognize that this is perfect squares

(a + b)2 = a^2 + 2ab + b^2;

Where a = 3x  and b =2

a^2 = 9x^2 2ab = 2*3x*2 = 12x and b^2 = 2^2 =4

So we can factor this as (3x+2) ^2

If you want to solve

We can use the zero product property

(3x+2) ^2 =0

Take the square root of each side

3x+2 =0

Subtract 2 from each side

3x=-2

Divide by 3

3x/3 = -2/3

5 0
3 years ago
Use properties of equality to find the value of x in the equation 12(5x-4.5)=36
lukranit [14]

Answer:

x= 1.5 Hope that helps!

Step-by-step explanation:

1. 12(5x-4.5)=36 First Divide both by 12 5x-4.5-36/12 = 3

2. 5x-4.5=3 add 4.5 to both sides

3. 5x= 3+4.5 = 7.5

4. 5x=7.5 divide both sides by 5 x=7.5/5= x=1.5

So, x=1.5 would be your answer. Can you make me Brainliest Please  

4 0
3 years ago
Find the LCm for each set of numbers 32 128
allsm [11]
The LCM is of 128 and 32 is 128 
7 0
3 years ago
Read 2 more answers
Please help me answer p
VLD [36.1K]
Scince the sum of a triangle is 180° just subtracts 180 from 67 which should be 113
7 0
3 years ago
Read 2 more answers
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