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SCORPION-xisa [38]
3 years ago
7

Which one is the answer ?

Mathematics
1 answer:
N76 [4]3 years ago
7 0
Trueeeeeeeeeeeeeeeeeee
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I need help on these 9 questions!!!!
sineoko [7]

Answer:


Step-by-step explanation:

13. -2(4)= -8     14. 6(-5)= -30       15. 3(-5)(2)= -30

16. -12(4)= -48     17. -4(2)^2= -64      18. (-5)^2= -25

19. -5(-3)(4)= =60   20. 13(-5)(2)= -130.  21. 3(-3)= -9



Hope this helps!


6 0
3 years ago
What is the value for x
OverLord2011 [107]
Answer: x=9
Explanation: All 3 angles of a triangle add up to 180, so basically the equation is (3x-5)+(7x+5)+90=180.
Then you add your like terms, so 3x+ 7x=10x and -5+5=0, which cancels out. Now we have 10x+90=180, we subtract the 90 from 180 to see what 10x is equal to and we get 90. So 10x=90. We divide 10 from 90 and we get the value of X, which is 9.
6 0
3 years ago
PLEASE HELP!!
ElenaW [278]

Answer:

-1 and -3

(n+7)(n-8)

Step-by-step explanation:

1. Find the Zeros

f(x)=x^{2} +4x+3

f(x)=\left(x+1\right)\left(x+3\right)

x+1=0\\x=-1\\x+3=0\\x=-3

2. Factoring Trinomials

f(x)=n^{2} -n-56

f(x)=\left(n+7\right)\left(n-8\right)

n+7=0\\n=-7\\n-8=0\\n=8

4 0
3 years ago
What's the answer ?
zimovet [89]
30 kilograms
.....................................
8 0
3 years ago
Find the slope of the like y = 1/8x -1<br><br> anser choices <br> -8/1 <br> 1/8<br> 1<br> -1
otez555 [7]

Answer:

The equation is not linear. So the slope does not exist. Not linear.


Maybe you wrote the equation wrong? If so, let me know and I'll tell you what the answer is.


6 0
3 years ago
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