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Likurg_2 [28]
3 years ago
5

What is the answer (4×-12)+(-x+7)

Mathematics
2 answers:
Bogdan [553]3 years ago
7 0

Answer:

x-41

Step-by-step explanation:

use the foil method

Ivanshal [37]3 years ago
4 0

Answer:

8/(x+3) = [8*(x+1)] / [(x+3)(x+1)] = (8x+8) / [(x+3)(x+1)]  

5/(x+1) = [5*(x+3)] / [(x+3)(x+1)] = (5x+15) / [(x+3)(x+1)]  

(8x+8 - (5x+15)) / [(x+3)(x+1)] =  

= (3x-7) / [(x+3)(x+1)]

Step-by-step explanation:

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What’s 6 5/15 plus 8 1/5
rodikova [14]

Answer:

14 8/15

Step-by-step explanation:

6  5/15 + 8 1/5 = 14 8/15

(you see how many times [8 1/5] can go to get to __3/15)

8 0
3 years ago
Read 2 more answers
Factor each expression and explain how you solved it.
rosijanka [135]
42. g^2+2g-7g-14= g(g+2)-7(g+2) = (g-2)(g+7)
44. 6k^2-6kL-4kL+4L^2= 6k(k-L)-4L(k-L)= (6k-4L)(k-L)
46. r^2-4r+10r-40 = r(r-4)+10(r-4)= (r+10)(r-4)
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REALLY hoping this helps bc this took me some time
7 0
3 years ago
You are hiking and are trying to determine how far away the nearest cabin is, which happens to be due north from your current po
Natali [406]

Answer:

101.98 yards.

Step-by-step explanation:

Please refer to the diagram that I drew (sorry for the messiness; I do not own a stylus and so I was using my mouse to try to draw it).

Since the triangle is a right triangle, you can use SOH CAH TOA. In this case, you are trying to figure out the opposite length, but you are given the adjacent. So, we will use tangent to solve this (TOA = Tangent, Opposite over Adjacent).

The angle is 22.6 degrees, and the tangent of the angle is equivalent to the opposite length, x, divided by the adjacent length, 245 yards.

tan(22.6) = x / 245

x / 245 = tan(22.6)

x = tan(22.6) * 245

x = 0.4162598242 * 245

x = 101.9836569

So, you are about 101.98 yards from the cabin.

Hope this helps!

6 0
3 years ago
the value of a new automobile depreciates 15% during the first year, and 16% during the second year. What is its depreciated val
Flauer [41]
It starts at 100% - 15% = 85% after the first year. $15,000*0.85 = $12,750
The second year is further reduced 100% - 16% = 84%
$12,750*0.84 = $10,710


3 0
3 years ago
What is 5au + 24av - 5bu - 30bv​
Blizzard [7]

Answer:

59

Step-by-step explanation:

5au+24av-5bu-30bv

rearrange it

5au+5bu-24av-30bv

similar letter cross each other

5a+5b-24a-30b

rearrange it

5a+24a-5b-30b

similar letter cross each other

5+24-5-30

29- -30=59

-and - = +

5 0
3 years ago
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