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3 years ago

Explain the importance of graphs in interpreting data.

1 answer:

lina2011 [118]3 years ago

3 0

The graph is important especially for the people who presenting something like the businessman or marketing personnel. The graphs summarizes the raw data and presents it into a diagram for the people to be easily comprehend. It allows to us to see the relationship between the variables.

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HELP ASAP !!

Aleks [24]

Answer:

Step-by-step explanation:

total money = $2.25 = 225 cents

types of denomination in coins or cents are dimes and nickels

dime = 10 cents , nickel = 5 cents

twice of dimes to nickels

let no of dimes = x and no of nickels = y

our equation

10x + 5y = 225

x = 2y

10(2y) + 5y = 225

20y +5y = 225

25 y = 225

y=9

x =2y 2x9 = 18

so the number of dimes = 18 and nickels = 9

cross verification:

10x18 + 5x9 = 180 +45 = 225

6 0

3 years ago

igomit [66]

Answer:

x = 1/10

Step-by-step explanation:

2/x -2 = 3/2x +3

Add 2 to each side

2/x -2+2 = 3/2x +3+2

2/x = 3 /2x +5

Subtract 3/2x from each side

2/x -3/2x = 3 /2x - 3/2x +5

2/x - 3/2x = 5

Get a common denominator

2/x *2/2 -3/2x =5

4/2x - 3/2x = 5

1/2x =5

Multiply each side by 2x

1 /2x * 2x = 5 *2x

1 = 10x

Divide each side by 10

1/10 = 10x/10

1/10 =x

4 0

3 years ago

Ming plays video games online.

Vlad1618 [11]

Ming needs to play for 15 hours to get 500 points. They gave him 200 for signing up, so 500-200=300 more points needed. 300 divided by 20= 15 more hours.

7 0

4 years ago

Read 2 more answers

Part 1

Dmitrij [34]

Answer:

a) A n (B' n C') = {3, 9}.

b) (AUB) n (BUC) = {2,4,5,6,7,8}

Step-by-step explanation:

a) Rewriting C ; C = {4,5,6,7,8}

B' = {3,5,7,9} and C' = {2, 3, 9}

so (B' n C') = {3, 9}

and A n (B' n C') = {3, 9}.

b) {A U B} = { 2,3,4,5,6,7,8,9} and {B U C} = {2,4,5,6,7,8}

so (AUB) n (BUC) = {2,4,5,6,7,8}

4 0

3 years ago

I'll give the brainiest. Help please

Elza [17]

Answer:

First, set up equations for total cost for both Happy Paws and Woof Watchers.

x= number of hours

y= total cost

Happy Paws

y=3.50x +16

Woof Watchers

y=4.75x+11

4.75x+11=3.50x+16

x=4

You can check your answer by doing the following:

Happy Paws: (3.50)(4)+16= 30

Woof Watchers: (4.75)(4)+11= 30

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers