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tankabanditka [31]
3 years ago
6

-3x(x + y) +5y if x=2 y= -5

Mathematics
2 answers:
Aleks [24]3 years ago
8 0

Answer:

squareroot x

Step-by-step explanation: y' = x + 5y xy' - 2y = x^2 x^2y' + 2xy = cos^2 x xy' + y = squareroot x

Anastaziya [24]3 years ago
3 0

buddy help me  i need help quick go see my question i need YOU to answer it

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A laptop company claims up to 11.0 hours of wireless web usage for its newest laptop battery life. However, reviews on this lapt
emmainna [20.7K]

Answer:

Step-by-step explanation:

given that a  laptop company claims up to 11.0 hours of wireless web usage for its newest laptop battery life. However, reviews on this laptop shows many complaints about low battery life. A survey on battery life reported by customers shows that it follows a normal distribution with mean 10.5 hours and standard deviation 27 minutes.

convert into same units into hours.

X is N(10.5, 0.45)

a)  the probability that the battery life is at least 11.0 hours

P(X\geq 11)\\\\=1-0.8667\\=0.1333

(b)  the probability that the battery life is less than 10.0 hours

=P(X

(c)  the time of use that is exceeded with probability 0.97

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d)  The time of use that is exceeded with probability 0.9 is

is 90th percentile = 10.885

8 0
3 years ago
Help with 2 plz I really need help
Kazeer [188]

the whole triangle is call an acute equilibrium triangle if that's the answer your looking for if not I need to see the whole question


4 0
3 years ago
Which of the following inequalities represent the number line below?
MrRissso [65]

Answer:

greater than or equal to 250

x < or = 250

Step-by-step explanation:

hopefully this helps

6 0
3 years ago
Each of the walls in Harvey’s shed are square and have an area of 84 square feet. What is the approximate height, to the nearest
Mariulka [41]

Answer:

B. 9 feet

Step-by-step explanation:

area = side^2

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side = sqrt(84)

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5 0
3 years ago
Read 2 more answers
Can someone simplify 25-4-9x+2x ?
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Answer:

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Step-by-step explanation: gather like terms

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6 0
3 years ago
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