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Sloan [31]
2 years ago
7

How do I solve this?

Mathematics
1 answer:
SashulF [63]2 years ago
7 0

Answer: A symbol

Step-by-step explanation: Nothing in that picture gives a value for x

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What is the solution to the inequality?
Yanka [14]
The answer is c, x>-2
3 0
3 years ago
What’s the sequence?
Troyanec [42]

Answer:

see explanation

Step-by-step explanation:

Note that the difference between consecutive terms is - 8

To obtain the next term in the sequence subtract 8 from the previous term.

next term = 56 - 8 = 48

The sequence is 72, 64, 56, 48

3 0
3 years ago
4. Two cylinders have dimensions in the ratio of 2:3. The smaller cylinder has a surface area of 16 cm.
Zarrin [17]

Answer:

(cross multiply)

2:3

16:X

2X=16×3

2x=48

x=48÷2

x=24

8 0
3 years ago
Find all the zeros for each function P(x)=x^4-4x^3-x^2+20x-20
ivanzaharov [21]

Answer:

The zeros of the given polynomial function are

2,2,\pm\sqrt{5}

Step-by-step explanation:

Given polynomial is P(x)=x^4-4x^3-x^2+20x-20

To find the zeros equate the given polynomial to zero

ie., P(x)=0

P(x)=x^4-4x^3-x^2+20x-20=0

By using synthetic division we can solve the polynomial:

2_|   1     -4     -1      20      -20

       0      2     -4     -10       20

   _____________________

       1     -2      -5      10      |_0

Therefore x-2=0

x=2 is a zero of P(x)

Now we can write the cubic equation as below:

x^3-2x^2-5x+10=0

Again using synthetic division

2_|   1     -2     -5     10      

       0      2      0    -10    

    ______________

       1      0      -5     |_0

Therefore x-2=0

x=2 is also a zero of P(x).

Now we have x^2+0x-5=0

x^2-5=0

x^2=5

x^=\pm\sqrt{5} is a zero of P(x)

Therefore the zeros are 2,2,\pm\sqrt{5}

8 0
3 years ago
A jar contains 10 red marbles and 20 blue marbles. if one red marble is selected and then placed back into the jar, what is the
Serggg [28]
You have a 30% chance of getting a blue marble. <span />
6 0
3 years ago
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