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3 years ago

What would be a expanded form and standard form for 10^{5}

Mathematics

1 answer:

Tamiku [17]3 years ago

5 0

Answer:

10 x 10 x 10 x 10 x 10

Step-by-step explanation:

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Rachel used 18 centimeters of tape to wrap 6 presents. How much tape will Rachel need in all if she has to wrap 15 presents? Sol

rjkz [21]

Answer:

Rachel would need 45cm of tape to wrap 15 presents.

Step-by-step explanation:

Firstly we need to find how much is required to wrap one presnt: 18÷6=3.3cm of tape is needed to wrap one present.

Secondly to find how many she needs to wrap 15 we sinply multiply 15 by three and get 45.

I hope this helps you in any way.

8 0

3 years ago

CAN SOMEONE PLEASE HELP ME???

babunello [35]

I think it is D but if it is not I’m sorry

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3 years ago

Find all of the eigenvalues λ of the matrix A. (Hint: Use the method of Example 4.5 of finding the solutions to the equation 0 =

Svetradugi [14.3K]

Answer:

$\lambda=8,\ \lambda=-5$

Step-by-step explanation:

<u>Eigenvalues of a Matrix</u>

Given a matrix A, the eigenvalues of A, called $\lambda$ are scalars who comply with the relation:

$det(A-\lambda I)=0$

Where I is the identity matrix

$I=\left[\begin{array}{cc}1&0\\0&1\end{array}\right]$

The matrix is given as

$A=\left[\begin{array}{cc}3&5\\8&0\end{array}\right]$

Set up the equation to solve

$det\left(\left[\begin{array}{cc}3&5\\8&0\end{array}\right]-\left[\begin{array}{cc}\lambda&0\\0&\lambda \end{array}\right]\right)=0$

Expanding the determinant

$det\left(\left[\begin{array}{cc}3-\lambda&5\\8&-\lambda\end{array}\right]\right)=0$

$(3-\lambda)(-\lambda)-40=0$

Operating Rearranging

$\lambda^2-3\lambda-40=0$

Factoring

$(\lambda-8)(\lambda+5)=0$

Solving, we have the eigenvalues

$\boxed{\lambda=8,\ \lambda=-5}$

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3 years ago

Someone plz me with this question ASAP!

Ne4ueva [31]

The answer will be B

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3 years ago

Which of the following statements best describes the relationship of a relation and a function? Select all that apply. A relatio

MariettaO [177]

A relation is a function, if and only if, the x- values do not repeat in a given set.

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3 years ago

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