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34kurt
3 years ago
7

2/3 + (-1/3) = ?????

Mathematics
2 answers:
amm18123 years ago
6 0

Answer: (+) 1/3

Step-by-step explanation: 2/3 + -1/3 is basically subtracting 1/3 from 2/3 so, 2/3 - 1/3 = 1/3.

kvasek [131]3 years ago
5 0

Answer:

The answer is 1/3.

Step-by-step explanation

If you have a calculator then you can put it in your calculator and it will give you the answer.

If you don't have one then here is how you do it.

Its simple really, all your doing is just subtracting 1/3 from 2/3 and you will get 1/3 which is the answer.

I hope this helps you.

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When the temperature reaches 90°, approximately how many glasses of lemonade will be sold?
pshichka [43]
62.5<span>° is the correct answer.</span>
4 0
3 years ago
Read 2 more answers
Miguel quiere entrenar para la carrera solidaria de verano en uno de los dos parques que tiene cerca de casa. Su plan es correr
kondor19780726 [428]

Answer:

  • <em>The square park is more convenient.</em>

Explanation:

The translation of the question is:

<em>Miguel wants to train for the summer solidarity race in one of the two parks that he has close to home. His plan is to run about 10 km each day and he wants to do an exact number of laps around the park to always start and end at the entrance. Since he has not quite decided between the square and the rectangular park, he decides to do some calculations to see which one suits him best.</em>

<em>Square park: 423 meters each side</em>

<em>Rectangular park: 673 meters measures the base and 218 meters the height</em>

<em />

<h2>Solution</h2>

<u />

<u>1. Calculate the perimeter of the square park</u>

The perimeter of a square is the sum of the four side lengths. Since they are equal it is:

  • Perimeter = 4 × side lenght
  • Perimeter = 4× 423m = 1,692 m

<u />

<u>2. Calculate how many times 1,692m is in 10 km</u>

10 km is 10,000 m. Then, divide 10,000 by 1,692 m:

  • Number of laps = 10,000m / 1,692m ≈ 5.91 laps

<u>3. Calculate the perimeter of the rectangular park</u>

  • Perimeter = 2×base + 2×height
  • Perimeter = 2×673m + 2×218m = 1,782m

<u>4. Calculate how many times 1,782 is in 10km</u>

  • Number of laps = 10,000m / 1,782m ≈ 5.61 laps

Then, since the number 5.91 is closer to an integer number than 5.61, you conclude that the square park is more conventient, because by running 6 laps around the square park the number of kilometers run will be closer to 10 km than with any number of complete laps in the rectangular park.

3 0
3 years ago
When graphing an inequality what two signs are an open circle
notka56 [123]

Answer:

< and >

Step-by-step explanation:

If it doesnt have the line under it, it means the number is  not included

an open circle means the number is not included

closed circle means its included

Hope this helps ^-^

7 0
3 years ago
Is the function given in the table even, odd, or neither?<br><br> Look at picture
xxMikexx [17]

Answer:

it is odd i think

Step-by-step explanation:

3 0
3 years ago
solve each equation for m and then find the value of m for each value of n. -5m=4m+8 ;n= -1,0,1. Help
AURORKA [14]
-5n=4m+8
4m+8=-5n
4m=-5n-8
m=-5n/4 - 8/4
m=-5n/4 - 2

Answer: the value of m for each value of n is:
m=-5n/4 - 2

if n=-1
m=-5(-1)/4 -2=5/4 - 2=(5-8)/4=-3/4

if n=0
m=-5(0)/4 -2=0-2=-2

fi n=1
m=-5(1)/4 - 2=-5/4 -2=(-5-8)/4=-13/4

Answer: if n=-1, then  m=-3/4;  if n=0, then m=-2, if n=1, then m=-13/4.
4 0
4 years ago
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