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andreev551 [17]
3 years ago
8

What is 2/3 + __=1 4/9

Mathematics
1 answer:
g100num [7]3 years ago
4 0
You turn 2/3 into 6/9
Then turn 1 4/9 into an improper fraction 13/9
Then subtract and you get 7/9

The answer is 7/9
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i think it's 13.44

Step-by-step explanation:

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Suzette and Bridgett are sisters. Suzette deposits $30,000 at the start of each year for 15 years into an account that earns 8.5
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Suzette makes more

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1 year ago
Define maximum and minimum
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Step-by-step explanation:

7 0
3 years ago
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the spinner is divided in to 8 equal sections. if the arrow lands on a number, what is the probability that it will land on a 1
Tcecarenko [31]

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3 years ago
Question 5
Temka [501]

Answer:

B = \frac{31.5}{5.25}= 6

H = 18-6= 12

So then Mark purchased 12 Hamburgers and 6 packages of buns

Step-by-step explanation:

For this case we can define the following notation:

B represent the number of packages buns

H represent the number of hamburgers

And from the information given we can set up the conditions into the following equations:

6.75 H +1.50 B =90  (1) represent the total cost

H +B =18  (2) represent the total number of items

Solving H from equation (2) we got:

H = 18 -B   (3)

And replacing equation (3) into equation (1) we got:

6.75 (18-B) +1.5 B =90

And dsitributing the terms we have:

121.5 -6.75 B +1.5 B =90

And solving for B we got:

121.5-90 = 5.25 B

And dividing by 5.25 we got:

B = \frac{31.5}{5.25}= 6

And replacing the value of B into equation (3) we got:

H = 18-6= 12

So then Mark purchased 12 Hamburgers and 6 packages of buns

6 0
4 years ago
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