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Ket [755]
3 years ago
5

Which polynomial shows the difference of (4x2 + 3x - 2) and (x2 + 2x + 4)?

Mathematics
1 answer:
Marat540 [252]3 years ago
3 0

Answer:

b

Step-by-step explanation:

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1.1 x 10^3 - 4.9 x 10^2
MArishka [77]

Answer:

610

Step-by-step explanation:

10 to the power of 3 is 1000. 1000x1.1=1100. 10 to the power of 2 is 100. 100x4.9=490. 1100-490=610

8 0
3 years ago
alex spent 3/7 of his money he gave 1 /4 of the remainder to his sistet he haf $120 left how much money did he in the beginning
Sonbull [250]
Let his total money be x.
He spent (3/7)*x of his money.
He gave 1/4(x-3/7x) to his sister. 
which is : (1/4)*(4/7)*x = (1/7)*x 
Now,
How much money he have in the beginning = 
(3/7)*x+(1/7)*x+120=x
(4/7)*x+120=x
120=x-(4/7)*x
120=(3/7)*x
x=120*7/3 [cross multiplication]
x=280.

So, Alex had $280 in the beginning.

6 0
3 years ago
3x+4+8x-28=180 what x
Paraphin [41]
The equation simplified (combine like terms) would be 11x+(-24) =180.
Since adding a negative is the same as subtracting a positive, you could also write it as this: 11x-24=180. Next step is isolate the variable, so to do that you need to add 24 to both sides of the equation: 11x-24+24=180+24. This is the same as 11x=204. Now to get only one of the variable, you need to divide both sides by 11. x=18.54 repeating or x=18 6/11. Hope this helped! 
8 0
3 years ago
Read 2 more answers
Drag each tile to the correct box. Not all tiles will be used.
Alina [70]

Answer:

3rd box, last box, 2nd box, 5th box in that order

Step-by-step explanation:

PEMDAS

7 0
3 years ago
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Snowcat [4.5K]

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