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Ahat [919]
3 years ago
13

What is the square route of 20?

Mathematics
2 answers:
ch4aika [34]3 years ago
6 0
The square route of 20 is4.472135955
sukhopar [10]3 years ago
4 0
Approximately 4.47214
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Factor f(x) = 15x^3 - 15x^2 - 90x completely and determine the exact value(s) of the zero(s) and enter them as a comma separated
Illusion [34]

Answer:

x=-2,0,3

Step-by-step explanation:

We have been given a function f(x)=15x^3-15x^2-90x. We are asked to find the zeros of our given function.

To find the zeros of our given function, we will equate our given function by 0 as shown below:

15x^3-15x^2-90x=0

Now, we will factor our equation. We can see that all terms of our equation a common factor that is 15x.

Upon factoring out 15x, we will get:

15x(x^2-x-6)=0

Now, we will split the middle term of our equation into parts, whose sum is -1 and whose product is -6. We know such two numbers are -3\text{ and }2.

15x(x^2-3x+2x-6)=0

15x((x^2-3x)+(2x-6))=0

15x(x(x-3)+2(x-3))=0

15x(x-3)(x+2)=0

Now, we will use zero product property to find the zeros of our given function.

15x=0\text{ (or) }(x-3)=0\text{ (or) }(x+2)=0

15x=0\text{ (or) }x-3=0\text{ (or) }x+2=0

\frac{15x}{15}=\frac{0}{15}\text{ (or) }x-3=0\text{ (or) }x+2=0

x=0\text{ (or) }x=3\text{ (or) }x=-2

Therefore, the zeros of our given function are x=-2,0,3.

7 0
3 years ago
Find the two numbers that have a<br> difference of 3 and a sum of 27.
polet [3.4K]
12 and 15 

15-12=3
15+12=27
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2 years ago
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Can someone please help me on this one​
Hunter-Best [27]

Answer:

c

Step-by-step explanation:

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lukranit [14]
The answer would be the first option :
4/3r (3x)^3.

Hope this helps !

Photon
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morpeh [17]
Substitute each value until the answer is correct

a. 1 = -4 x -5 -1
1 does not equal 19
b. 15 = -4 x 4 -1
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c. -5 = -4 x 1 -1
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d. -7 = -4 x 2 -1
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