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Tanya [424]
3 years ago
5

What is 3 7/8 + 2 5/6 =​

Mathematics
2 answers:
BARSIC [14]3 years ago
8 0

Answer:

$\frac{161}{24}=6\frac{17}{24}$

Step-by-step explanation:

$3\frac{7}{8}+2\frac{5}{6}$

Convert the mixed fractions to improper fractions:

$\frac{31}{8}+\frac{17}{6}$

Find the common denominator and write equivalent fractions:

$(\frac{31}{8}\times{\frac{3}{3}})+(\frac{17}{6}\times{\frac{4}{4}})$

$\frac{93}{24}+\frac{68}{24}$

Add:

$\frac{93}{24}+\frac{68}{24}=\frac{161}{24}$

Reduce to mixed fraction:

$\frac{161}{24}=6\frac{17}{24}$

AleksandrR [38]3 years ago
7 0

Answer: 6 and 17/24

Step-by-step explanation: To add mixed numbers, first add the fractions. Since 7/8 and 5/6 are unlike fractions, we need a common denominator which in this case is 24.

If we multiply 7/8 by 3 in both the numerator and denominator, we get the equivalent fraction 21/24.

If we multiply 5/6 by 4 in both the numerator and denominator, we get the equivalent fraction 20/24.

Now we can add 21/24 + 20/24 to get 41/24. Finally, we add the whole numbers which is 3 + 7 to get 10.

Since 41/24 is an improper fraction, we can change it into the mixed number which is 6 and 17/24.

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The new coordinates would be (-4, 11)

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3 years ago
For a school play, 739 tickets valued at $857 were sold. Some cost $1 and others cost a $1.50. How many $1 tickets were sold?
balu736 [363]

Answer:

503 $1 tickets sold.

Step-by-step explanation:

Use two equations  

Let x = number of $1 tickets sold  

Let y = number of $1.50 tickets sold  

x + y = 739  

1x + (1.5)y = 857  

First equation ==> y = 739 - x  

Plug this into the second equation  

x + (1.5)(739 - x) = 857  

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- 0.5x = -251.5  

x = 503  

There were 503 $1 tickets sold.  

To find the number of $1.50 tickets, just plug this value of x into either one of the equations.  

(503) + y = 739       (739 - 503 = 236)

y = 236  

There were 236 $1.50 tickets sold.

3 0
3 years ago
Which numbers are "rational" and which numbers are "irrational"?
taurus [48]

the 3rd one. hope this helps

7 0
2 years ago
Read 2 more answers
Need answer please show work
Jet001 [13]

Let us set up some variabe:

  • height: h
  • base: b

Use the known information:

  • b = 2h + 8

Now lets find the area

   Area = (1/2) * b *h = (1/2) * h * (2h + 8)

Hope that helps!

7 0
2 years ago
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