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Semmy [17]
2 years ago
12

What is the answer to 13/56 + 5/7=?

Mathematics
2 answers:
insens350 [35]2 years ago
7 0
<em>∙•❁</em>We are going to solve this step by step:

\frac{13}{56} + \frac{5}{7}

\frac{13}{56} + \frac{40}{56}

\frac{13+40}{56}

<em>∙•❁</em>Your final answer is:

\frac{53}{56}

<em>∙•❁I hope this helps!❁•∙ </em>
san4es73 [151]2 years ago
5 0
To do this, you have to change it into common denominators.  The common denominator is 56, in this case.  Multiply 5 by 8 because 56 divided by 7 is 8.  There fore you would be adding 13/56 and 40/56.  You would be 53/56.   This is already in simplest form.
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Tom, Mary and Bill are aged 10,12 and 15 years respectively. They share 259 euros in the same ratio as their ages. Find how much
tigry1 [53]

Answer:

70 , 84 , 105

Step-by-step explanation:

sum their ages , 10 + 12 + 15 = 37

divide the amount by this sum to find the value of one part of the ratio.

259 ÷ 37 = 7 ← value of 1 part of the ratio , then

10 parts = 10 × 7 = 70 euros ← Tom's share

12 parts = 12 × 7 = 84 euros ← Mary's share

15 parts = 15 × 7 = 105 euros ← Bill's share

7 0
2 years ago
Sylvia has a total of 16 trading cards: 8 superhero cards, 4 princess cards,2 villain cards, and 2 wildlife cards. what is the r
balu736 [363]
There as 16 cards, 2 of which are wildlife cards, so the ratio is 16 : 2. We can simplify it by dividing both sides by 2, so we'll get the ratio of 8 : 1.

I hope this helps! :)


5 0
3 years ago
in a triangle two sides of the same length the ratio of each of these sides to the third side is 5:3 if the perimeter of the tri
AveGali [126]

Answer:

Step-by-step explanation:

Perimeter of a triangle equals side 1 plus side 2 plus side 2

           P = s1 + s2 + s3                 side 1 = side 2 =  x

                                                     x/side 3 = 5 / 3

                                                     x  = (5/3) side 3

                                                     x (3/5)  = side 3

                                                 

                                                     perimeter = 65    slove for x

          65  = x + x + 3x/5

         325  = 5x + 5x + 3x

         325  = 13X

          25   = x    equal side 1 and side 2  

          side 3 = 25(3/5)  = 15

3 0
3 years ago
Which is the correct solution to the expression 4^8? Use the scientific calculator given in this course.
Rufina [12.5K]
4^8=4x4x4x4x4x4x4x4x4=65,536
7 0
3 years ago
I need to Decrease 6400 by 9%
Advocard [28]

Answer:

5824

Step-by-step explanation:

10% of 6400 =640

1% 0f 6400 = 64

640-64=576

6400-576= 5824

5 0
2 years ago
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