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Sidana [21]
3 years ago
8

The product of 2 and 13 more than a number.

Mathematics
2 answers:
Vilka [71]3 years ago
7 0

Answer:

2x13+N (N as in number)

Step-by-step explanation:

LenKa [72]3 years ago
5 0

Step-by-step explanation:

2x13+n (n as in number)

yan lang po alam ko

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Find a cubic function f(x) = ax3 + bx2 + cx + d that has a local maximum value of 3 at x = −3 and a local minimum value of 0 at
Amiraneli [1.4K]

Answer:

The cubic function is f(x) = (27/32)·x  - 3/32·x³ - -9/32·x² - 9/32

Step-by-step explanation:

The given function is f(x) = a·x³ + b·x² + c·x + d

By differentiation, we have;

3·a·x² + 2·b·x + c = 0

3·a·(-3)² + 2·b·(-3) + c = 0

3·a·9 - 6·b + c = 0

27·a - 6·b + c = 0

3·a·(1)² + 2·b·(1) + c = 0

3·a + 2·b + c = 0

a·(-3)³ + b·(-3)² + c·(-3) + d = -3

-27·a + 9·b - 3·c + d = -3...(1)

a + b + c + d = 0...(2)

Subtracting equation (1) from equation (2) gives;

28·a - 8·b + 4·c = 3

Therefore, we have;

27·a - 6·b + c = 0

3·a + 2·b + c = 0

28·a - 8·b + 4·c = 0

Solving the system of equations using an Wolfram Alpha gives;

a = -3/32, b = -9/32, c = 27/32 from which we have;

a + b + c + d = 0 3 × (-3/32) + 2 × (-9/32) + (27/32) + d = 0

d = 0 - (0 3 × (-3/32) + 2 × (-9/32) + (27/32)) = -9/32

The cubic function is therefore f(x) = (-3/32)·x³ + (-9/32)·x² + (27/32)·x + (-9/32).

4 0
3 years ago
-8d-5d+7d=72 can you help me figure out d
Kryger [21]

Answer:

d = -12

Step-by-step explanation:

Add -8 -5 +7

take that number : -6

72 divided by -6 = -12

d = -12

8 0
2 years ago
Write the following expression as the product of a repeated variable. X^5
klemol [59]

Answer:

25

Step-by-step explanation:

6 0
3 years ago
Pls help with this one I give brainliest thank you! Number 7
Leona [35]

Answer:

length x width x height = volume

5.5 x 2 = 11 x 3 = 33

33 ft.

hope this helps

if you have any questions you can ask!

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Round 4.392 to the nearest tenth​
Allisa [31]

Answer:4.4

Step-by-step explanation:

The tenths place is  the first number after the decimal  which is the number 3 the hunderds place will tell you if your going to round up if the number is above 5 the tens goes up one so since the next number is 9 so the 3 becomes a 4.

6 0
3 years ago
Read 2 more answers
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