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abruzzese [7]
4 years ago
9

60/82 in simplest form

Mathematics
1 answer:
neonofarm [45]4 years ago
4 0
I'm pretty sure the answer should be 31/40 or .775 in decimal form.

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I need help with this question
Sergeeva-Olga [200]

Answer:

Step-by-step explanation:

f(x) = 6x³-x²+4x+5

g(x) = 9x³-1

(f+g)(x) = {6x³-x²+4x+5} + {9x³-1}

open brackets

6x³-x²+4x+5 + 9x³-1

choose like terms

6x³+ 9x³-x²+4x+5 -1

15x³-x²+4x+4= x²(15x-1)+4(x+1)= (x²+4)(x+1)(15x-1)

(f+g)(x)= 15x³-x²+4x+4 =  (x²+4)(x+1)(15x-1)

(f+g)(2) = 15(2)³-(2)²+4(2)+4 = 15(8)-4+8+4 = 120+8 = 128

(f-g)(x) = {6x³-x²+4x+5} - {9x³-1}

open brackets

6x³-x²+4x+5 - 9x³+1

choose like terms

6x³- 9x³-x²+4x+5 +1

-3x³-x²+4x+6= -x²(3x+1)+2(2x+3)= (-x²+2)(3x+1)(2x+3) =  (2-x²)(3x+1)(2x+3)

(f-g)(x) = -3x³-x²+4x+6 = (2-x²)(3x+1)(2x+3)

(f-g)(-3) = -3(-3)³-(-3)²+4(-3)+6 = -3(-3x-3x-3)-(-3x-3)-12+6=-3(-27)-3(9)-12+6= 81-27-12+6 = 54-6= 48

(f-g)(-3) = 48

4 0
3 years ago
Need help ASAP!!
Helen [10]
The answer is D) 11/21

Your welcome
4 0
3 years ago
Couldn't you use the law of cosines to find one angle and use the law of sines to find the rest
steposvetlana [31]
Correct. In the case where you are given enough information to use the law of cosines you could in fact then use the law of sines afterwards to find your remaining angle. That being said beware of solutions that don't make a feasible triangle (if you were using the law of cosines you only have one angle, so that means whatever your second angle is that you found using the law of sines can't make your sum go over 180, because you still need some angle left for the last angle). 
7 0
3 years ago
Can someone do all my algebra work for me...?
Brums [2.3K]

Answer:3rd

Step-by-step explanation:

3 0
4 years ago
You are saving money to buy a new video game. You already have $12, and each week you save another $5. Which expression can you
Phantasy [73]

Answer:yes 12 +5

Step-by-step explanation:Idrk

8 0
3 years ago
Read 2 more answers
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