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sleet_krkn [62]
3 years ago
10

Can you simplify 3/r + 7/r+3

Mathematics
1 answer:
Nutka1998 [239]3 years ago
7 0
Combine the fractions by finding a common denominator. 
10r+9/r(r+3)
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Which angle measures create a triangle with three different side lengths?
dedylja [7]

Answer:

C

Step-by-step explanation:

For 3 different side lengths, you need 3 different angles. That eliminates A, B and D.

A: In the case of A, The angles do not add up to 180 so this is not possible. Even if it was, the angles are all the same and the side lengths would be as well.

B: Two angles are the same, therefore, 2 sides will be the same, even though the two sides added together will be larger than the side opposite.

D: Two angles are the same. The angles add to 180. The triangle will have 2 equal sides.

C: Answer. The three given angles add to 180. They are different. Unless the side opposite 93 exceeds the length of the other 2 sides, this forms a triangle with 3 different  sides. Using other methods to calculate the answer the other 2 sides do exceed the the base length so everything is fine.  

3 0
3 years ago
Y=x-4<br> 2x+y=5<br> What’s the answer
VikaD [51]
Y is gonna equal -1 and X is gonna be 3
7 0
4 years ago
Need answers please
Andrews [41]

Answer:

C

Step-by-step explanation:

you are adding

6 0
3 years ago
Read 2 more answers
Ruby’s homework covers multiplication with the powers of 10 the first question on her homework is 82.6 x 10 to the power of 2 wh
Elina [12.6K]

Answer:

826

Step-by-step explanation:

82.6 x 10 to the power of 2 :

8.26 * 10^2

8.26 * (10 * 10)

8.26 * (100)

= 826

7 0
3 years ago
If dy/dx=4y and y=4 when x=0, then y=. A) 4e^4x. B) e^4x. C) 3+e^4x. D) 4+e^4x. e) 2x^2+4
aliina [53]
Hello,

dy/dx=4==>dy/y=4dx==>ln(y)=4x+C
==>y=k*e^(4x)
if x=0 y=4==>4=k*e^(4*0)==>k=4

==>y=4*e^(4x)

Answer A (with parenthesis!!!)
8 0
3 years ago
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