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babunello [35]
3 years ago
12

PLS HELP, WILL REWARD BRAINLIEST !!

Mathematics
2 answers:
Mrac [35]3 years ago
4 0
B is the answer to this
Alenkasestr [34]3 years ago
3 0
B is the answer trust
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[(-21)+(-20)+(-19)………+(+18)+(+19)+(20)]:<br> (-3)=? İşlemin sonucunu bulunuz.<br> A) -7 B) -2 C) 2 D
bezimeni [28]

Answer:

A) -7

Step-by-step explanation:

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5 0
3 years ago
I need help with this please
34kurt

Answer:

I hope this helps!

7 0
3 years ago
15. What polynomial must be added to .x^2-2x+ 6 so that<br> the sum is 3x^2+ 7x ?
jeyben [28]

Answer:

2x^2+9x-6

Step-by-step explanation:

Just subtract the two because x + y = z and z-x = y

3x^2+7x-(x^2-2x+6) = 3x^2+7x-x^2+2x-6\\\\=2x^2+9x-6

You can test this by adding this expression back to the original.

x^2-2x+6+(2x^2+9x-6) = 3x^2+7x

8 0
3 years ago
You go to a sandwich shop and spend $12.36. You want to leave a 10% tip. What is the tip and what is your total cost?
kap26 [50]

what kind od sandwich  cost 12.36 and why would you leave a tip if it cost so much

also just add 12.36 plus 1.84

5 0
3 years ago
after buying 55 books for Rs 50 each a man has rupees 3/4 of his money left how much he had at first?​
lana [24]

Answer:

916.67 (corrected to 2 decimal places)

Hope I'm right, fingers crossed

Step-by-step explanation:

55 \times 50 = 2750 \div  \frac{3}{4 }  = 916.6666667

7 0
3 years ago
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