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stiv31 [10]
3 years ago
12

How do I find a variable for a similar figure

Mathematics
1 answer:
gizmo_the_mogwai [7]3 years ago
3 0

Answer:

Sorry if this doesnt make help:

Step-by-step explanation:

When two figures are similar, the ratios of the lengths of their corresponding sides are equal. To determine if the shapes are similar, compare their corresponding sides.

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(12y + 12) - 21y<br><br> Simplify each expression using the properties of numbers.
Elodia [21]
Its 12y - 9 because when u add twelve pluus 12 it 24 then -21 is to 3 which 12 - 9 is 3
5 0
3 years ago
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If the perimeter of a square is 20, find the length of a diagonal
avanturin [10]

Answer:

7.07

Step-by-step explanation:

<h2><u>Length</u></h2>

a square has equal length on each side

hence is the perimeter is 20 it means that :

each side is 20/4 = 5

we can make a diagonal line which create 3 right angled triangles

2 sides of the triangle are 5 , this is the base and the height

to find the length we can make use of the Pythagoras theorem

c^2 = a^2 + b^2

c is the hypotenuse ( the diagonal;)

a and b are the opposite and adjacent

hence :

c^2 = 5 ^2 + 5^2

c^2 = 50

c = \sqrt{50}

c = 7.071

to 3sf

<h3><u>diagonal length  = 7.07</u></h3>

6 0
3 years ago
Use the spinner below for each of the following
spayn [35]
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3 0
3 years ago
What is the decay factor in the exponential decay function y=a (1-r) t
MrRissso [65]

Answer:

in this form, the "-r" would cause the result to decrease

I assume that the answer is "r"

if r = .1 (10 %) then 1-.1 = .9

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the total decreased by 10% ... y = 100(.9)^2 after 2 time periods

Step-by-step explanation:

5 0
3 years ago
Help me out, please....
alex41 [277]

Answer:

5 radical 3

Step-by-step explanation:

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= √102 - 52

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8 0
3 years ago
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