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enot [183]
3 years ago
6

I need to find the domain for this

Mathematics
1 answer:
katovenus [111]3 years ago
3 0

Answer:

\large\boxed{Domain:\ x\in\mathbb{R}\to\text{the set of all real numbers}}

Step-by-step explanation:

The domain of roots:

\sqrt[n]{p(x)}

If n is an odd number, then p(x) can be any real number.

If n is an even number, then p(x) must be a non-negative number.

We have

f(x)=\sqrt[3]{2x^2-3x-9}

n = 3 → odd number.

Therefore the domain is the set of all real numbers.

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What is the factor of 25a2+b2?
Neko [114]

Answer:

(5a+b)⋅(5a−b)

Step-by-step explanation:

Changes made to your input should not affect the solution:

(1): "b2"   was replaced by   "b^2".  1 more similar replacement(s).

STEP

1

:

Equation at the end of step 1

 52a2 -  b2

STEP

2

:

Trying to factor as a Difference of Squares

2.1      Factoring:  25a2-b2

Theory : A difference of two perfect squares,  A2 - B2  can be factored into  (A+B) • (A-B)

Proof :  (A+B) • (A-B) =

        A2 - AB + BA - B2 =

        A2 - AB + AB - B2 =

        A2 - B2

Note :  AB = BA is the commutative property of multiplication.

Note :  - AB + AB equals zero and is therefore eliminated from the expression.

Check :  25  is the square of  5

Check :  a2  is the square of  a1

Check :  b2  is the square of  b1

Factorization is :       (5a + b)  •  (5a - b)

7 0
3 years ago
What is the solution to the inequality?
iVinArrow [24]

Answer:

B. x > 4

Step-by-step explanation:

12 < 8 + x

12-8 < 8-8 +x

12-8 < x

4 <x

x > 4

7 0
2 years ago
I need to solve for x, help please.
BaLLatris [955]

Answer:

x = 52   i hope this helps!   :)

Step-by-step explanation:

so first you gotta realize that every triangle has an interior angle measurement sum of 180 degrees

so we are given 3 angles   74 degrees  x + 2  and x

we now are going to put this into an equation   74 + x + 2 + x = 180

now lets combine like terms to get   76 + 2x = 180

then we are going to subtract the 76 from both sides   2x = 104

now lets divide both sides by 2   x = 52

so x = 52

we can plug in the value of x into both of the other equations to find the angle measurement

52 degrees

52 + 2 = 54 degrees

and then we have 74 degrees

add the 52, 54, and the 74 to make sure it is equal to 180 degrees

106 + 74 = 180

so yes, x does indeed equal 52 degrees

3 0
3 years ago
Read 2 more answers
Simplify the expression (m^3)^-1 (x^2)^5
Katyanochek1 [597]
(m^3)^-1 (x^2)^5 = (m^-3) (x^10) = x^10 / m^3
6 0
3 years ago
What is equalivant to 5+4z+13
Alja [10]

Answer:

= 4z + 18

Step-by-step explanation:

5 + 4z + 13 \\  = 4z + 18

4 0
3 years ago
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