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3 years ago

What kinds of symmetry does the capital letter E have

2 answers:

4 0

It has reflectional symmetry where the line of reflection (mirror line) is horizontal and it cuts through the middle of the letter

marusya05 [52]3 years ago

3 0

Answer[:]
The capital letter E has three kinds of symmetry(s):

1) Horizontal Line of Symmetry
2) One line of symmetry (NOT meaning they only have one type of symmetry, they have one LINE of symmetry)
3) Reflectional Symmetry (If you were to flip it on it's side, and cut it in half, then both sides would be the same)

[:] DustinBR [:]

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If a bicycle wheel has a diameter of 21 inches what the exact circumference?

Blababa [14]

Answer:

Circumference = 65.97344573

Step-by-step explanation:

Given the diameter of a circle, we can use the formula C = πd to find the circumference.

C = circumference

π = pi

d = diamater

Equation: 21(π) = 65.97344573

Make sure to round to whatever decimal place is asked for!

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3 years ago

A culture is grown with a population of 45 million cells. The cell population is found to double every hour. What will the popul

Alexandra [31]

45 million * $2^{4}$ = 45million * 16 = 720million

Or you can use
$y=Ae^{kt}$
A is equal to 45 million
To find the rate, k, we can plug in:
$90million=45million*e^{k*1}
$
$2=e^{k}$
$k=ln(2)$
$y=4.5*10^{7}*e^{t *ln2}$
Knowing that t = 4
$y = 4.5*10^{7}*e^{ln(2)*4}
$
$y = 720 million$

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3 years ago

Read 2 more answers

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Yuliya22 [10]

Answer:

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3 years ago

Which are solutions of the equation x2 - 16 = 0? Check all that apply.

maw [93]

X=8.
Let me explain.
2x-16=0
add 16 to both sides
2x=16
divide both sides by 2
x=8

4 0

3 years ago

What is the value of n? Enter your answer in the box 7 cm 4 cm 8 cm n

Wittaler [7]

Answer:

n=14

Step-by-step explanation:

To find the length of the given side with length "n", we must know the relationship between the different sections when the chords cross one another.

Now, the relationship we require is that when we multiply the 2 parts of both chords together, it will be equal to the product of the two sides in the other chord. Thus;

7(8) = 4(n)

56 = 4n

14 = n

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2 years ago