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Sergio039 [100]
3 years ago
8

Please help me with this one

Mathematics
1 answer:
Burka [1]3 years ago
7 0
What is the question
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4x − 4<br> 10x − 20<br> ×<br> 15x + 15<br> 3x − 3<br> ×<br> 6x − 12<br> 20x + 20.
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Answer:

what is the question dudd

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2 years ago
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Newton uses a credit card with a 18.6% APR, compounded monthly, to pay for a cruise totaling $1,920.96. He can pay $720 per mont
Tresset [83]
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3 years ago
A fair coin is tossed 100,000 times. the number of heads is recorded. what is the probability that there are between 49,800 and
Natali5045456 [20]
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4 0
3 years ago
Use quadratic regression to find
vovangra [49]

Answer:

y = 6x² -13x -5

Step-by-step explanation:

(1,-12) (2,-7) (5,80)

y = ax² + bx + c

-12 = a*1² + b*1 + c = a+b+c    (1)

-7 = 4a + 2b + c    (2)

80 = 25a + 5b + c   (3)

(2)-(1): 3a + b = 5    (4)

(3)-(2): 21a + 3b = 87   (5)

(4)*3:     9a + 3b = 15    (6)

(5)-(6):  12a = 72      a = 6

(4)                             b = -13

(2)                             c = -5

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3 years ago
Which equation correctly determines the length of side x?
mrs_skeptik [129]
Every 60 seconds in Africa a minute passes together we can stop this
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