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mojhsa [17]
2 years ago
9

Three-fifths of the students in a room are girls. One-third of the girls have blond hair. One-half of the boys have brown hair.

a. What fraction of all the students are girls with blond hair?
Mathematics
2 answers:
Alexxandr [17]2 years ago
8 0
Three fifths times one third equals three fifteenths or one fifth. 1/5
rosijanka [135]2 years ago
3 0

Answer:

The answer is 1/5 of the students are blond girls, since 1/3 of 3/5 is 1/5.  

Divide 3/5 by 3, which is 1/5.  

Hope this helps!

Step-by-step explanation:

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Test the set of polynomials for linear independence. If it is linearly dependent, express one of the polynomials as a linear com
aliina [53]

Answer:

The set of polynomial  is Linearly Independent.

Step-by-step explanation:

Given - {f(x) =7 + x, g(x) = 7 +x^2, h(x)=7 - x + x^2} in P^2

To find - Test the set of polynomials for linear independence.

Definition used -

A set of n vectors of length n is linearly independent if the matrix with these vectors as columns has a non-zero determinant.

The set is dependent if the determinant is zero.

Solution -

Given that,

f(x) =7 + x,

g(x) = 7 +x^2,

h(x)=7 - x + x^2

Now,

We can also write them as

f(x) = 7 + 1.x + 0.x²

g(x) = 7 + 0.x + 1.x²

h(x) = 7 - 1.x + 1.x²

Now,

The coefficient matrix becomes

A = \left[\begin{array}{ccc}7&1&0\\7&0&1\\7&-1&1\end{array}\right]

Now,

Det(A) = 7(0 + 1) - 1(7 - 7) + 0

           = 7(1) - 1(0)

           = 7 - 0 = 7

⇒Det(A) = 7 ≠ 0

As the determinant is non- zero ,

So, The set of polynomial  is Linearly Independent.

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A baby can crawl ¾ foot in ¼ minute. How far does the baby get per minute?
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Answer:

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Step-by-step explanation:

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Rewriting

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Answer:

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