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Vlad [161]
3 years ago
13

Which equation justifies why nine to the one third power equals the cube root of nine?

Mathematics
2 answers:
AVprozaik [17]3 years ago
8 0

Answer:

nine to the one third power all raised to the third power equals nine raised to the one third times three power equals nine

Step-by-step explanation:

we know that

The <u><em>Power of a Power Property</em></u> , states that :To find a power of a power, multiply the exponents

so

(a^{b})^{c}=a^{b*c}

In this problem we have

9^{\frac{1}{3}} =\sqrt[3]{9}

Remember that

\sqrt[3]{9}=9^{\frac{1}{3}}

Raise to the third power

[9^{\frac{1}{3}}]^3

Applying the power of power property

9^{\frac{3}{3}}

9^{1}

9

therefore

nine to the one third power all raised to the third power equals nine raised to the one third times three power equals nine

SVEN [57.7K]3 years ago
6 0

Answer:

Option 1.

Step-by-step explanation:

The given equation is

9^{\frac{1}{3}}=\sqrt[3]{9}

We need to find the equation which justifies the given equation.

Taking cube on both sides.

(9^{\frac{1}{3}})^3=(\sqrt[3]{9})^3

(9^{\frac{1}{3}})^3=9

Taking LHS,

LHS=(9^{\frac{1}{3}})^3

Using power property of exponents.

LHS=9^{\frac{1}{3}\times 3}           [\because (a^m)^n=a^{mn}]

LHS=9^{\frac{3}{3}}

LHS=9^{1}

LHS=9

LHS=RHS

The required equation is

(9^{\frac{1}{3}})^3=9^{\frac{1}{3}\times 3}=9

"Nine to the one third power all raised to the third power equals nine raised to the one third times three power equals nine".

Therefore, the correct option is 1.

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nexus9112 [7]

The amount of fabric in inches Felicia need to make the actual shape for the comforter is 660 in²

<h3>What is a trapezoid?</h3>

It is defined as the quadrilateral having four sides in which two sides are parallel to each other, it is a 2-dimensional geometry.

We have a trapezoid in the picture shown with dimensions.

We know the area of the trapezoid is given by:

\rm A = \dfrac{a+b}{2} \times h

Here a = 15 cm, b = 22 cm and h = 11 cm

\rm A = \dfrac{15+22}{2} \times 11

A = 203.5 square cm

To make the square from the trapezoid, Felicia needs to cut two triangles from the both end, as shown in the figure.

The height of the triangle = 11 cm

And base length = (22-15)/2 = 3.5 cm

The area of the triangle = (11×3.5)/2 = 19.25 square cm

Area of the two triangles = 2×19.25 = 38.5 square cm

Now the amount of fabric  =  203.5 -  38.5 = 165 square cm

As the scale is given 1 cm = 2 in

1 cm ² = 4 in²

So, the amount of fabric in inches = 165×4 = 660 in²

Thus, the amount of fabric in inches Felicia need to make the actual shape for the comforter is 660 in²

Learn more about the trapezoid here:

brainly.com/question/8643562

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3 0
2 years ago
The length of AC⎯⎯⎯⎯⎯ is 10 inches.
Maru [420]

Answer:

5 in

Step-by-step explanation:

AC = the diameter

FA = the radius

diameter=2*radius

10=2*FA

FA=10/2

FA=5 in

3 0
2 years ago
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Which statement is the if/then conditional statement of the following? Vertical angles are congruent.
FinnZ [79.3K]

An if-then statement must hold under any condition. Let's take it case by case:


A. This one makes sense, and is perfect! If two angles are vertical, then they must be congruent. This holds no matter what. This is your answer.


B. This doesn't hold because Alternate Interior Angles can also be congruent (along with many others). Two angles don't <em>have </em>to be vertical to be congruent.


C. This one is also true because this is the contrapositive of Option A. (Read my reasoning on D to know what a contrapositive is). Therefore, this is correct.


D. This one is the contrapositive of B, which makes it the exact same as B. Thus, this is not the answer. Contrapositive, by the way, just means that it's the inverse and opposite of a given statement. Let's say P is the contrapositive of Q. If this is the case, then if Q is true, P must be true. In our case, Option D is the contrapositive of Option B and since Option B is not true, neither is D.


7 0
2 years ago
1. Consider the following hypotheses:
Andrej [43]

Answer:

See deductions below

Step-by-step explanation:

1)

a) p(y)∧q(y) for some y (Existencial instantiation to H1)

b) q(y) for some y (Simplification of a))

c) q(y) → r(y) for all y (Universal instatiation to H2)

d) r(y) for some y (Modus Ponens using b and c)

e) p(y) for some y (Simplification of a)

f) p(y)∧r(y) for some y (Conjunction of d) and e))

g) ∃x (p(x) ∧ r(x)) (Existencial generalization of f)

2)

a) ¬C(x) → ¬A(x) for all x (Universal instatiation of H1)

b) A(x) for some x (Existencial instatiation of H3)

c) ¬(¬C(x)) for some x (Modus Tollens using a and b)

d) C(x) for some x (Double negation of c)

e) A(x) → ∀y B(y) for all x (Universal instantiation of H2)

f)  ∀y B(y) (Modus ponens using b and e)

g) B(y) for all y (Universal instantiation of f)

h) B(x)∧C(x) for some x (Conjunction of g and d, selecting y=x on g)

i) ∃x (B(x) ∧ C(x)) (Existencial generalization of h)

3) We will prove that this formula leads to a contradiction.

a) ∀y (P (x, y) ↔ ¬P (y, y)) for some x (Existencial instatiation of hypothesis)

b) P (x, y) ↔ ¬P (y, y) for some x, and for all y (Universal instantiation of a)

c) P (x, x) ↔ ¬P (x, x) (Take y=x in b)

But c) is a contradiction (for example, using truth tables). Hence the formula is not satisfiable.

7 0
3 years ago
I need help on this as fast as possible will mark brainliest
Lisa [10]

Answer:

C.

Another way to write the added percent of something is by putting a 1 to indicate the aditional.

6 0
3 years ago
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