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Reptile [31]
3 years ago
6

Tìm cực trị của hàm số z(x,y)=x^{3}+y^{3}+3xy-30

Mathematics
1 answer:
gregori [183]3 years ago
3 0

Answer:

Hence, MEAN OF FIRST FIVE COMPOSITE NOS IS 7.5

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Are these integers please help
dolphi86 [110]

Answer:

63/9 = 7 -> Yes

-94 -> Yes

30/6 = 5 -> Yes

-16/3 ~ -5,33 -> Nope

-29,86 -> Nope

Step-by-step explanation:

Integers are whole Numbers.

For example 1,2,3,4,5...

The numbers between numbers are rational numbers.

Fir example:

1,2 ( between 1 and 2)

3,8 (between 3 and 4)

2,6 (between 2 and 3)

5 0
3 years ago
Read 2 more answers
A bank security camera is mounted on a wall. The camera is set at an angle of depression of 19 degrees so that it is focused on
777dan777 [17]

Answer:

8.95feet

Step-by-step explanation:

The set up is a right angled triangle where;

The camera's horizontal distance from the focus point = 26feet = Adjacent;

The height of the camera above the floor = Opposite = x

Angle of elevation = 19°

According to TOA in trig identity;

Tan theta = opp/adj

Tan 19 = x/26

x = 26tan 19

x = 26(0.3443)

X = 8.95feet

Hence the camera is placed at a height of 8.95feet above the floor

7 0
3 years ago
Two buses are traveling to a state park. One bus leaves the terminal at 4:00 p.m. and travels at 40 miles per hour. The second b
kotykmax [81]
The answer would be 9 pm
5 0
3 years ago
Which best describes the scatter plot
Nookie1986 [14]
D positive; non linear
7 0
3 years ago
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If 450 birds have to fit into 18 enclosures, & there are 3 enclosures in each section of the zoo, how many birds are in each
ANEK [815]
<h3>Answer:</h3>

There are 75 birds in each section

<h3>Step-by-step explanation:</h3>

First, lets see how many in each enclosure so we have an amount to multiply by 3

450/18 = 25 birds per enclosure.

Now lets see how many birds would be in 3 enclosures i.e. a section

25 * 3 = 75

3 0
3 years ago
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