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Murljashka [212]
2 years ago
14

Given the following​ function, find f(−5), f(0), and f(4). f(x)=x2+5

Mathematics
1 answer:
bulgar [2K]2 years ago
6 0

Answer:

30, 5 , 21

Step-by-step explanation:

substitute the values of x into f(x) , then

f(- 5) = (- 5)² + 5 = 25 + 5 = 30

f(0) = 0² + 5 = 0 + 5 = 5

f(4) = 4² + 5 = 16 + 5 = 21

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15 ‒ 5x = 6x + 3 – 2x
LenKa [72]

Answer:

x = 4/3

Step-by-step explanation:

15 - 5x = 6x + 3 - 2x

In this kind of equation, we try to seperate the x's and the numbers.

So we add 5x to both sides and subtract 3 from both sides to seperate these values

15 - 3 - 5x + 5x = 6x + 3 - 3 - 2x + 5x

=> 12 = 9x

=> 12/9 = x

=> 4/3 = x

=> x = 4/3

To check, we can plug this in.

15 - 5(4/3) = 6(4/3) + 3 - 2(4/3)

15 - 20/3 = 24/3 + 3 - 8/3

45/3 - 20/3 = 24/3 + 9/3 - 8/3

25/3 = 25/3

So our answer works.

7 0
3 years ago
Hola me pueden ayudar con matematica ​
Rudik [331]

Tienes la tarea en Ingles? Yo solo puedo hacer mathematics en ingles.  Gracias.

7 0
3 years ago
To anyone that likes to do math
Vesna [10]

16 for the first one

25.2 for the second one

48 times every 90 secnds for the 3rd one

12 for the 4th one

18 for the 5th one

.57 for the last one

4 0
3 years ago
In Kite KLMN, find the measure of
Degger [83]

Answer:

M = K =

<h3>101°</h3>

Step-by-step explanation:

M = K, because it's a kite.

  • Kite has 2 angles on the left and right, each with the same size,
  • The kite also has different angles at the other angle points.

(Addition of kite angles result in 360°)

Therefore

360 = 63 + 95 + 2M

2M = 360-63-95

2M = 202

M = 202÷2

M = K = 101°

The size of each angle M and angle K = 101 degrees.

____________________

#IndonesianPride - kexcvi

#MerdekaMerdeka

3 0
3 years ago
Help!!!!!!!!!!! !!!!!
brilliants [131]

Answer:

D. 3900π

Step-by-step explanation:

volume = 1/3 πr²h   ... r = 30,  h = 13

v = 1/3 * 30² * 13 * π = 3900π

8 0
3 years ago
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