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4 years ago

What is 2/3 + 1/5 (fraction answer)

Mathematics

2 answers:

lidiya [134]4 years ago

5 0

Answer:

2/3 + 1/5

= 10/15 + 3/15

= 13/15

Olin [163]4 years ago

4 0

Answer:

13/15

Step-by-step explanation:

2/3 + 1/5

The common denominator is 15

2/3 *5/5 = 10/15

1/5 *3/3 = 3/15

10/15 +3/15

13/15

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Haley bought 8 pencils and 3 folders for $10.39. Nicole bought 5 pencils and 4 folders for $10.51. How much does a folder cost?

cupoosta [38]

Answer:

$1.89

Step-by-step explanation:

1) 8p+3f=$10.39

2) 5p+4f=$10.51

where p represents pencil & f represents folder.

multiply the first equation by 5 and the second equation by 8.

40p+15f=$51.95

40p+32f=$84.08

Subtract

17f=$32.13

f=$32.13/17 =$1.89

6 0

3 years ago

Read 2 more answers

Find the coordinates of the midpoint between (–1, 2) and (3, –6).

lesantik [10]

Answer:

option D

(1, -2)

Step-by-step explanation:

Given in the question are coordinates,

(–1, 2) and (3, –6)

x1 = -1

x2 = 3

y1 =2

y2 = -6

Formula to calculate midpoint

$\frac{x1+x2}{2}$ , $\frac{y1+y2}{2}$

$\frac{-1+3}{2},\frac{2-6}{2}$

$\frac{2}{2},\frac{-4}{2}$

(1,-2)

6 0

3 years ago

PLEASE HELP ME, PLEASE…..

Fittoniya [83]

Answer:

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Step-by-step explanation:

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2 years ago

2 questions

wolverine [178]

Answer:

You can combine like terms when they have the same variable, same category, or same coefficient. You CANNOT combine like terms when they have none of the attributes listed above. For example, you can combine 7x and 20x, just like you can combine 3 and 4, but you can't combine 3x & 5(x^2), or 9x and 73.

6 0

3 years ago

I have been asking for assistance for an hour and a half now, I will greaty appreciate anyone that can help with this..Find the

blagie [28]

Answer:

1st graph: m = -1/2. (m is the slope)

2nd graph: m = 3/2.

3rd graph: Midpoint = (1/2, 1/2)

Step-by-step explanation:

1st graph:

Find the slope by looking for two points on the line. Use the formula $m = \frac{y_{2}-y_{1} }{x_{2}-x_{1}}$