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olga nikolaevna [1]
3 years ago
14

What is the product (6r-1)(-8r-3)

Mathematics
2 answers:
Molodets [167]3 years ago
4 0
(6r - 1)(-8r - 3)
= -48r^2 - 18r + 8r + 3
= -48r^2 - 10r + 3
I hope this helps.
QveST [7]3 years ago
4 0
-48r^2 -18r + 8r + 3
-48r^2 -10r +3
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Answer:

90-24=76°

Step-by-step explanation:

____________________

6 0
2 years ago
A banks loan officer rates applicants for credit. The ratings are normally distributed with a mean of 200 and a standard deviati
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Answer:

2.87%

Step-by-step explanation:

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mean (m) = 200

standard deviation (sd) = 50

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the probability that their mean is above 21.5 is determined as follows:

P (x> 21.5) = P [(x - m) / (sd / n ^ (1/2))> (21.5 - 200) / (50/40 ^ (1/2))]

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this value is very strange, therefore I suggest that it is not 21.5 but 215, therefore it would be:

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P (x> 215) = 1 - 0.9713 (attached table)

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4 0
3 years ago
If five times a number plus two is 17 what is the number
Mila [183]
5 times a number plus two is 17

5(x) + 2 = 17

isolate the x, do the opposite of PEMDAS 

(Note: What you do to one side you do to the other, because of equal sign)

5x + 2 (-2) = 17 (-2)

5x = 15

5x/5 = 15/5

x = 3


hope this helps
3 0
3 years ago
Is this polygon a trapezoid?
ale4655 [162]

Answer:

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6 0
3 years ago
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A pitcher allowed 8 runs in 24 innings how many did he allow in 40
vichka [17]
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The pitcher allowed 8 runs in 40 innings.
7 0
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