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I am Lyosha [343]
2 years ago
15

What is 5/7 + 3/7??????

Mathematics
2 answers:
marusya05 [52]2 years ago
7 0
Since the denominators are already alike we can just add the numerators together. 5+3 = 8. So we have 8/7. Since 8/7 is an  incomplete fraction we have to turn it  into a regular fraction.  We do this by dividing 8 and 7. 
So 7 goes into 8 1 time, 1 times 7 is seven, and 8 - 7 = 1. So we get 1 1/7. 
you answer is 1 1/7 
I hope this helps!

vaieri [72.5K]2 years ago
6 0
8/7 as an improper and 1 and 1/7 for proper.
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Put the equation below in the form ax2 + bx + c = 0. Enter exponents using the caret ( ^ ). For example, you would enter 4x2 as
Ymorist [56]
X2+ 4x + 7 = 0 is the correct answer
4 0
3 years ago
if mr sulivan drove 7hrs within 385 miles and then he drives 3 hrs in the distance of 165 miles is the amount of time of the two
ehidna [41]

the amount of time of the two trips is a proportional relationship

<h3>What is proportional relationship?</h3>

mathematical expressions are said to be proportional if there unit rate are equal. this means that the expressions will give similar results when similar values are substituted into the equation.

<u>solution:</u>

Driving 7 hrs within 385 miles represents a unit rate of 385 / 7 = 55 miles per hour or 55 mph

while 3 hrs in 165 miles represents a unit rate of 165 / 3 = 55 mph

since both situations gave similar speed in miles per hour they are said to have a proportional relationship.

Read more on proportional relationship here: brainly.com/question/12242745

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6 0
1 year ago
9+9-4-123456-5431-87+0-6=5 x 3<br> answer please!!!!1
Serjik [45]

Answer:

-177,856 does not equal 15

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3 0
3 years ago
I need help fast i don’t understand please give detailed explanation
alex41 [277]

Answer:

<4 = 63°

Step-by-step explanation:

32° + 31° = < 4 ( exterior angle of a triangle is equal to the sum of two opposite interior angles)

<4 = 63°

Hope it will help :)

5 0
3 years ago
Simplify 3x + 6x^2 - 5x - x^2
just olya [345]

Answer: -2x + 5x^2

Step-by-step explanation:

3x + 6x^2 - 5x - x^2 = x(3-5) + x^2(6-1) = -2x + 5x^2

8 0
3 years ago
Read 2 more answers
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