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nlexa [21]
3 years ago
15

How can you use mental math to determine if a ratio is simplified?

Mathematics
1 answer:
Studentka2010 [4]3 years ago
6 0
Yes you can all you have to do is determine how many times the numerator goes into the denominator and put the remaining number if any as the new numerator and keep the same denominator if it goes into the denominator put how many tines it does in from of your new fraction
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If parallelogram ABCD was reflected over the y-axis, reflected over the x-axis, and rotated 180°, where would point A' lie ? (1
rewona [7]
The answer to the problem is as follows:

(x,y)−−−>(−x,y)
---->it is reflect across y axis
(x,y)−−−−>(x,−y)
--->across x axis

rotate 180 (x,y) ---> (-x,-y)

so it's (-4,1) i am right

I hope my answer has come to your help. God bless and have a nice day ahead!
6 0
2 years ago
This question is a bit confusing. May I please have some help?
VLD [36.1K]

Answer:

a = 24

b = 37

Step-by-step explanation:

a = 45 - 21 = 24

b = 95 - 58= 37

4 0
2 years ago
Read 2 more answers
Whatq is the slope of this graph​
7nadin3 [17]

Answer:

b

1/2

Step-by-step explanation:

Slope is determined by how many units you go up / how many units you go to the side

You go up 1 and over 2 and get 1/2

6 0
3 years ago
Solve for AC using the Pythagorean theorem
raketka [301]

Answer:

AC = 8.3

Step-by-step explanation:

A² + 11² = 13.8²

A² + 121 = 190.44

Subtract 121 from both sides

A² = 69.44

√A = √69.44

AC = 8.3

3 0
3 years ago
A = Set of Face Cards
djverab [1.8K]

The probability based on the information given is illustrated below.

<h3>How to compute the values?</h3>

a. cardinality of set D

cardinality is simply the number of elements in the set

Set D = {red colored cards} = 26 elements

Cardinality = 26

b. power set of H

the set of all subsets of the Set including the Set itself and the null or empty set.

Set H = 3 face cards (hearts) = 3 elements

No. of subsets =  = 8

Power set of H = 8

c. are set L and N are disjoint or overlapping

L = {H2,H4,H6,H8,H10}

N = {D3,D5,D7,D9}

Both are disjoint

d. are sets J and K are equal sets or equivalent sets?

Equal sets are defined as the sets that have the same cardinality and all equal elements.

Two sets are said to be equivalent if they have the same cardinality

J = {D queen, D king , D joker}

K = { C queen, C king , C joker}

Both the sets are equivalent sets.

e. are set D and F overlapping if so find the card that are common

D= { red couloured cards}

F = { set of even cards}

yes , they are overlapping

common cards are red coloured even cards

= { H2,H4,H6,H8,H10,D2,D4,D6,D8,D10}

Learn more about probability on:

brainly.com/question/24756209

#SPJ1

Complete question:

Take a deck of playing cards. Form following sets out of those:

A =Set of Face Cards

B = Set of Red Coloured Face Cards

C = Set of Black Coloured Face Cards D = Set of Red Coloured Number Cards E = Set of Black Coloured Number Cards

F = Set of Even Number Cards

G = Set of Odd Number Cards

H = Set of Face Cards (Hearts)

I = Set of Face Cards (Spades)

J = Set of Face Cards (Diamonds)

K = Set of Face Cards (Clubs)

L = Set of Even Numbered Cards (Hearts) M = Set of Even Cards (Spades) N = Set of Odd Cards (Diamonds)

O = Set of Odd Cards (Clubs)

find the Following:

a. cardinality of set D

b. power set of H

c. are set L and N are disjoint overlapping d. are sets J and K are equal sets or equivalent sets ? justify your answer

e. are set D and F overlapping if so find the card that are common

3 0
1 year ago
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