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Alex Ar [27]
2 years ago
8

Which expressions have a value of 15 when s=15? A: s/3+10 B: 15,521÷s C: (3,015÷s)-186 D: 20s^2÷30 E: 2s^2/5-25

Mathematics
1 answer:
olga2289 [7]2 years ago
4 0

Answer:

C. (3,015÷s)-186

Step-by-step explanation:

Sana makatulong

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1/x-4 + 1/x+3 = x-6/ x^2-x-12
STALIN [3.7K]
There is no solution
7 0
2 years ago
Anyone know how to do this
Artist 52 [7]

Answer:

Look in explanation

Step-by-step explanation:

I will assume that you're trying to solve for "x".

For number 1: 49+(5x+1) is a supplementary angle(180 degrees) so you can subtract 180-49 to get 131.

Now, 131 = 5x+1

        -1            -1

         130 = 5x

         /5      /5

Now, we isolate the x to get x=26.

Number 2: There is a supplementary angle as well so we can put 5x+12+6x+3=180.

Now, combine the like terms to get 11x+15=180 so we now isolate x.

                                                              -15   -15

                                                            11x=165

                                                            /11    /11

                                                               x=15

Now, try the rest and set the terms to 180.

5x+1+8+4x=180

2x+1+x-10=180

6+x+5x=180

x+2+153=180(This is similar to #1)

CHECK YOU ANSWERS BELOW AFTER YOU HAVE ATTEMPED THE REST OF THE PROBLEMS.

3. x=19

4. x=63

5. x=29

6. x=25

3 0
3 years ago
El numeral 32012(4) representado en el sistema decimal, porfavor
olya-2409 [2.1K]

Answer: El número es 902 en el sistema decimal.

Step-by-step explanation:

Supongo que tenemos el número:

32012 en base 4, y lo queremos representar en base decimal.

Entonces, usando la regla general, podemos escribir este número como:

unidades*base^0 + decenas*base^1 + centenas*base^2......  

Es decir, acá tenemos:

2*4^0 + 1*4^1 + 0*4^2 + 2*4^3 + 3*4^4 = 902

El número es 902 en el sistema decimal.

7 0
3 years ago
How to justify each step in the solution of 5x+15=0
velikii [3]

Answer:

Step-by-step explanation:

The given equation is:

5x+15 =0

Subtract 15 from both sides:

5x+15-15= 0-15

By solving the like terms we get:

5x=-15

Divide both sides by 5

5x/5 = -15/5

Simplify:

x= -3...

8 0
2 years ago
The polynomial function f(x) is a fourth degree polynomial. Which of the following could be the complete list of the roots of f(
cluponka [151]

Answer:

the answer is A

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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