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kow [346]
3 years ago
8

A tile is selected from seven tiles, each labeled with a different letter from the first seven letters of the alphabet.

Mathematics
1 answer:
MArishka [77]3 years ago
7 0

Answer:

Step-by-step explanation:

U= {A,B,C,D,E,F,G}

X = {A, B, C, D}

Y = {A, C, E, F}

a) X or Y = {A, B, C, D} and {A, C, E, F} = {A, B, C, D, E, F}

B) X and Y = {A, B, C, D} or {A, C, E, F} = {A, C}

c) Complement of X = {A,B,C,D,E,F,G} - {A, B, C, D} = {B,D,G}

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You are going to create a circle graph to represent some data. How many degrees should a section representing 65 out of a hundre
hjlf

To figure out the degrees, you would create a ratio.

Since there are 360 degrees in your circle, that would be representative to 100 (because both are the total of what you want to find), and x would be representative to what degrees 65 is equal to.

your ratio should look like,

65/100=x/360

cross multiply and get

65(360)=100x

23400=100x

x=234


It looks hard to read like this, but if you write it out on your paper it should make more sense!

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3 years ago
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A theater sells two types of tickets to their plays, children's tickets and adult tickets. For today's persformance they have so
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3 years ago
If y varies directly with x and y =6 when c= -7 what is y when x =4
kaheart [24]

y = kx

6 = (k)(-7)

k = -6/7

y = -6/7 x

y = (-6/7)(4)

y = -24/7 = -3 3/7

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Hope this helps!

6 0
2 years ago
Which of the following equations is a constant function? y = x y = 5 x = 5
Mamont248 [21]

Answer:

Second Option

y = 5

Step-by-step explanation:

A constant function is one for which the range does not change regardless of the value of the domain.

f (x_1) = f (x_2) = f (x_3) = m

Where m is a constant.

The constant functions are horizontal lines parallel to the axis of the x

Note that

y = x is not a constant function because the value of y changes when x changes.

x = 1, y = 1

x = 2 y = 2

x = 5 is not a constant function because the range of the function is not constant. x = 5 is a vertical line

y = 5 is a constant function, since for any of the value of x, the value of y will always be 5

8 0
3 years ago
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