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3 years ago

Someone plz help me i don't know the answer

Mathematics

1 answer:

DochEvi [55]3 years ago

6 0

Since the problem is asking for the amount of braid to go AROUND the circular rug, we want to use circumference.

The circumference is calculated as pi * d, where d is the diameter.

The diameter given is 5, so the answer is 5 * pi which is about 15.7 or about 16 feet.

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2 years ago

A bank received an initial deposit of $12,00, kept a percentage of this money in reserve based on a reserve rate of 6%, and the

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2 years ago

Tom owes his uncle $12 and he owes his aunt $11. Which statement is true? A. Tom has $23. B. Tom has $1. C. Tom owes $23. D. Tom

Tju [1.3M]

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4 years ago

Which expression is equivalent to (16 x Superscript 8 Baseline y Superscript negative 12 Baseline) Superscript one-half?.

loris [4]

To solve the problem we must know the Basic Rules of Exponentiation.

<h2>Basic Rules of Exponentiation</h2>

$x^ax^b = x^{(a+b)}$
$\dfrac{x^a}{x^b} = x^{(a-b)}$
$(a^a)^b =x^{(a\times b)}$
$(xy)^a = x^ay^a$

$x^{\frac{3}{4}} = \sqrt[4]{x^3}= (\sqrt[3]{x})^4$

The solution of the expression is $\dfrac{4x^4}{y^6}$ .

<h2>Explanation</h2>

Given to us

$(16x^8y^{12})^{\frac{1}{2}}$

Solution

We know that 16 can be reduced to $2^4$ ,

$=(2^4x^8y^{12})^{\frac{1}{2}}$

Using identity $(xy)^a = x^ay^a$ ,

$=(2^4)^{\frac{1}{2}}(x^8)^{\frac{1}{2}}(y^{12})^{\frac{1}{2}}$

Using identity $(a^a)^b =x^{(a\times b)}$ ,

$=(2^{4\times \frac{1}{2}})\ (x^{8\times\frac{1}{2}})\ (y^{12\times{\frac{1}{2}}})$

Solving further

$=2^2x^4y^{-6}$

Using identity $\dfrac{x^a}{x^b} = x^{(a-b)}$ ,

$=\dfrac{2^2x^4}{y^6}$

$=\dfrac{4x^4}{y^6}$

Hence, the solution of the expression is $\dfrac{4x^4}{y^6}$ .

Learn more about Exponentiation:

brainly.com/question/2193820

8 0

3 years ago

I need help I don't understand this!!

lidiya [134]

B is 2,2 A is -1,1 c is 2,-1

7 0

4 years ago

Read 2 more answers