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olya-2409 [2.1K]
3 years ago
12

What is the sum of 7 2/6 + 2 1/4

Mathematics
2 answers:
polet [3.4K]3 years ago
8 0

Answer:

9  7/12

Step-by-step explanation:

You have to find the common denominator, in this case it would be 12. Then you multiply the denominator to get 12... then whatever you do to the top you must do to the bottom. Then, you add 7+2 and the fractions. This mixed number cannot be simplified.

vovikov84 [41]3 years ago
4 0

Answer:

115/12

Step-by-step explanation:

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Round each number to the place of the underlined digit the 4 is underlined in 324,650
dolphi86 [110]

Answer:325,000


Step-by-step explanation:

4 gets rounded up to 5 because of the 6 next to it.

7 0
3 years ago
Which point lies on the y-axis?
NeTakaya

Answer:

Step-by-step explanation:

3 0
3 years ago
PLEASE HELP ME WITH THIS PROBLEM!!! I NEED TO TURN IT IN TODAY
Murrr4er [49]

Answer:

U=19

A=8

B=5

Step-by-step explanation:

Cardinality refers to the number of elements in a set.

8 0
3 years ago
The length of a rectangle is 3 inches more than the width. The area is 10 square inches. Find the dimensions
mr_godi [17]

Answer:

Width = 2

Length = 5

Step-by-step explanation:

let A be the area of the rectangle

   L be the length of the rectangle

   w be the width of the rectangle

<u><em>Formula</em></u>: ‘<u><em>area of a rectangle</em></u>’

A = L × w

…………………………………………………

A = L × w

⇔ 10 = (w + 3) × w

⇔ 10 = w² + 3w

⇔ w² + 3w - 10 = 0  

<u><em>Solving the quadratic equation</em></u> w² + 3w - 10 =  0 :

Δ = 3² - 4(1)(-10) = 9 - (-40) = 9 + 40 = 49

then √Δ = 7

\Longrightarrow w=\frac{-b+\sqrt{\Delta } }{2a} =\frac{-3+7}{2} =2

  or\ w=\frac{-b-\sqrt{\Delta } }{2a} =\frac{-3-7}{2} =-5

-5 is not valid ,because w represents the width

which must be a positive number

Then  w = 2

<u><em>Conclusion</em></u>:

Width = 2

Length = 2 + 3 = 5

6 0
2 years ago
Ryan earn $376 by working 4 days. If he earned the same amount each day, how much he earn working 5 days?
Over [174]
$469.


376/4 = 94.

Then add that too 346

94 + 346 = 469

3 0
3 years ago
Read 2 more answers
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