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3 years ago

Please help me with this

Mathematics

2 answers:

kobusy [5.1K]3 years ago

7 0

Answer:

2 1/ 18

Step-by-step explanation:

2 1/2 plus 5/9 Calculation steps: (0 + 1) +(5/9 + 1/2)

Zielflug [23.3K]3 years ago

3 0

Answer:

2 1/18

Step-by-step explanation:

Hope this helps! :) and can i get brainliest plz!

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The price of a video game at Game Word has increased from $36 to $45 each. What was the percent change?

andriy [413]

Step-by-step explanation:

price difference= $45-$36

=$9

now,

x% of $45=$9

or, x/100 ×45 =9

or, x/20 ×9=9

or, x/20=1

therefore, x= 20%

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3 years ago

4−(3x−8)=21 solve this pls

riadik2000 [5.3K]

Answer:

4 - ( 3x - 8 ) = 21

break the bracket first ,it gives : 4 - 3x + 8 = 21

12 - 3x = 21

- 3x = 21 - 12

- 3x = 9

-x = 9/3

-x = 3

X = - 3

[ check if the answer is correct, put -3 instead of X in the above equation ! we get 4 - { 3(-3) - 8 } = 21

4 - { - 9 - 8 } = 21

4 - { - 17 } = 21

break the bracket, minus and minus will multiply and will become plus , so we have 4 + 17 = 21 , hence 21 = 21 ! therefore X = -3

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2 years ago

Amy is 5 years older than Ben. Three times Amy's age added to six times Ben's age is 42. How old are Amy and Ben?

I am Lyosha [343]

Answer:

Amy: 8, Ben: 3

Step-by-step explanation:

No explanation here

5 0

3 years ago

I need the answer for 90 please its due tommorow!

babunello [35]

Jacqueline is incorrect.
To find how much trash you can clean in 4 days if you already know how much trash you can clean in one day, multiply 1 2/3 (how much you can clean in one day) by 4.
Another way to write 1 and 2/3 miles is 5/3 (converting a mixed number to a single fraction). Then, 5/3 x 4 = 20/3. (To multiply fractions, just multiply across, leaving 5 x 4 in the numerator and 4 x 1 in the denominator.)
Jacqueline said you would be able to clean 19/3 miles but you can actually clean 20/3.

4 0

3 years ago

Read 2 more answers

Use a graphing calculator to find the value of the correlation coefficient r to determine if there is a strong correlation among

OlgaM077 [116]

The value for r = - 0.8535 , there is strong correlation between the variables.

<h3>What is a correlation coefficient ?</h3>

Correlation coefficient describes the relationship between the two variables in the data .

The data given is

(1, 7), (2, 5), (3, -1), (4, 3), (5, -5)

Assuming Linear Regression ,

The data is plotted on the graphing calculator