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Paladinen [302]
4 years ago
11

Simplify: (6x2 + x - 7)(4x - 6) HELPP

Mathematics
1 answer:
Mariulka [41]4 years ago
3 0

Answer:

24x^3−32x^2-34x+42

Step-by-step explanation:

Distribute 4x(6x^2+x-7) and -6(6x^2+x-7)

You get 24x^3-32x^2-34x+42-32x^2+42

Then simplify the answer by adding/subtracting each variable, since you can only simplify by like terms. And you get your answer

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The value of y varies directly with x. If x = 4, then y = 32. What is the value of x when y = 128?
pashok25 [27]

Answer:

32/4= 8  (there is a factor of 8 between x and y at all times)

128/8 = 16  (divide y by 8 to find out what x is.

x= 16 when y= 128

Step-by-step explanation:

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3 years ago
What is the common difference of the sequence?
iren2701 [21]

The common difference is 11, you can see this because the number goes up by eleven each time.

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Edward opened a credit card at a department store with an APR of 16.42% compounded semiannually. What is the APY on this credit
deff fn [24]
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3 years ago
According to a study, an average of six cell phone thefts is reported in San Francisco per day. Assume that the number of report
lions [1.4K]

Answer:0.29

Step-by-step explanation:

An average of six cell phone thefts is reported in San Francisco per day. This means our mean value, u = 6

For poisson distribution,

P(x=r) = (e^-u×u^r)/r!

probability that four cell phones will be reported stolen tomorrow=

P(x=4)= (e^-6×6^4)/4!

= (0.00248×1296)/4×3×2×1

= 3.21408/24=

0.13392

P(x=5)= (e^-6×6^5)/5!

= (0.00248×7776)/5×4×3×2×1

= 19.28448/120

= 0.1607

probability that four or five cell phones will be reported stolen tomorrow

= P(x=4) + P(x=5)

= 0.13392 + 0.1607

= 0.294624

Approximately 0.29

8 0
3 years ago
In Mr. Shaw’s garden, 0.3 of the crops are cucumbers, 1/10 are peppers, and 3/5 are strawberries. What fraction of the crops are
Oxana [17]
0.3 as a fraction is 3/10 so the three fractions are
3/10 cucumbers
1/10 peppers
6/10 strawberries

So the fraction of cucumbers or peppers are 4/10

8 0
3 years ago
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