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EastWind [94]
3 years ago
5

I SHALL GIVE THEE THE TITLE OF BRAINLIEST! -5X + 8X - 4 -5Y + 3 - 6Y + 2Y + 4 6 + X - 5 + 2X + 8 3B - B + 7 + 4B

Mathematics
1 answer:
dexar [7]3 years ago
6 0

Answer:

-5x + 8x - 4 = 3x - 4

-5y + 3 - 6y + 2y + 4 = -9y + 7

6 + x - 5 + 2x + 8 = 3x + 9

3b - b + 7 + 4b = 6b + 7

Step-by-step explanation:

is this the answer you were looking for? please let me know if this is not what you were trying to find:)

You might be interested in
The ratio of walkers to riders was 5 to 3. If 315 were walkers, how many riders were there?
dlinn [17]
5/3 = 315/x
5*x = 5x
3*315 = 945
5x = 945
5x/5 = 945/5
x= 945/5
x=189

Final answer: The riders are 189
3 0
3 years ago
Simplify this expression:<br> i ^257
Katarina [22]
Okay! 
What is i? 
i = <span>√(-1)

What is i^2? 
i^2 = </span>√(-1) * <span>√(-1) 

Note: Whenever you multiply two square roots with the same numbers you get this: 

</span><span>√(a^2)
</span>
Or in this case: 

√(-1 * -1) = -<span>√(1) = -1
</span>
So, 
i^2 = -1

What does i^3 equal? 
i^3 = √(-1) * √(-1) * √(-1) = 1 * √(-1) = <span>√(-1) which is... -i
</span>
What does i^4 equal? 
i^4 = √(-1) * √(-1) * √(-1) * √(-1) =  √(-1 * -1 * -1 * -1) = 1

After that the cycle does it thing and cycles back. 
So, with this information we can figure out what i^157 equals. 

Knowing long division here helps a lot!
Take 157 and divide it by 4 using long division. If you don't know it, I'll show you how to do it to the best of my abilities. (Refer to the picture. If you have any questions about it then ask. Even if the question is... what does this say?) 

After using long division we see that we get: 
39 with a remainder of 1. 

What that means is: 
(i^4)^39 is what we have. The remainder of 1 means that we have 1 i left. So our answer is i. 

The reason we divided by 4 and not some other term is because i^4 = 1, so it is easy to work with. In this case (i^4)^39 still just equals 1. Which leaves our remainder as our answer. 

So once again the final answer is: 
i

As for i^257. I'll show you the answer, but I won't give the work for this one. I'd recommend you try it out for yourself. 

i^257 = (i^4)^64 * i = i.

I hope that I helped, and if you have any further questions then ask away! 


8 0
3 years ago
Find the area of the triangular prism for a chance to get brainlest
Oduvanchick [21]

Answer:

57.09

Step-by-step explanation:

8 0
3 years ago
Any number multiplied by<br> (A) 5<br> (B) 6<br> (C) 7<br> (D) 9<br> has only even products.
yaroslaw [1]

Answer:

c 6

Step-by-step explanation:

6,12,18,24,39,36,42,48

7 0
3 years ago
Read 2 more answers
A company that makes​ hair-care products had 3,000 people try a new shampoo. Of the 3,000 ​people, 18 had a mild allergic reacti
MrMuchimi

Answer:

60%

Step-by-step explanation:

There was a total of 3000 people and of those 3000 people only 18 had a mild allergic reaction.

18/3000 × 100 = 60%

5 0
3 years ago
Read 2 more answers
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