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zhuklara [117]
3 years ago
15

What is 2/5 +3/10? PLEASE ANSWER!!!!!!!

Mathematics
2 answers:
sammy [17]3 years ago
6 0
Bring the two fractions to the same denominator, 10.

2/5 = 4/10
3/10 = 3/10

Add the numerators keeping the denominator the same.

4/10 + 3/10 = 7/10 
Wewaii [24]3 years ago
6 0
\frac{2}{5} +  \frac{3}{10} =  \frac{2*2}{5*2} + \frac{3}{10} =

\frac{4 + 3}{10} =  \frac{7}{10}
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What is the simplified form of the quantity of x plus 9, all over the quantity of 8 − the quantity of x plus 3, all over the qua
marishachu [46]
X +9     x +3       (x+9)(x+2) - 8(x+3)
------ - --------- = ---------------------------
  8       x +2              8(x+2)

do you think it in this way or more simplified ?
4 0
2 years ago
Read 2 more answers
In an average of 65 minutes if a train stops at three stations for two minutes each and the distance is 115 miles between stops
larisa86 [58]

Answer:

117mph

Step-by-step explanation:

Given that

Total number of stations= 3

Total average time of journey of train = 65

total stop time at three stations = 3×2 =6 min

Total distance between stops = 115 miles

as we can see

Total time train was travelling = 65- 6 =59 min

so, average speed of train can be calculated as:

Average Speed = \frac{Distance -travelled-between -stations}{Total-time-the-train-travelled}

Average Speed = \frac{115}{59} =1.95 miles/minute

To convert this speed into miles per hour (mph) multiply the above speed by 60

Average speed = 60×1.95 =117 mph

So the average speed of train is 117mph.


3 0
3 years ago
PLEASE HELP ASAP<br> I'LL MARK BRAINIEST
IRINA_888 [86]

Answer:

A. 2.35

Step-by-step explanation:

8 0
2 years ago
Bonus: Find the value of x.
Mars2501 [29]

Answer:

12 (i think)

Step-by-step explanation:

so you see the problem the first problem is 3x-9. and you see 27

then you multiply 12 by 3 and you get 36 then you minus 36 by 9 and you get 27

6 0
3 years ago
Explain the relationship between the legs and the hypotenuse of a right triangle.
podryga [215]

Answer:

According to the pythagorean theorem, a^2 + b^2 =c^2

c signifies the hypotenuse

a and b are the two legs

the sum of the two legs squared measures will equal the measure of the hypotenuse squared.

Step-by-step explanation:

6 0
3 years ago
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