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3 years ago

The school nurse is low on bandaids. She heads to the store and finds four brands. Which one is the BEST buy?

Mathematics

2 answers:

FromTheMoon [43]3 years ago

5 0

Need more details
how much are they, how much in each pack

Radda [10]3 years ago

5 0

The brand that will stay on longer, better adhesive and waterproof.

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Help with geometry?!!!!!!

Nana76 [90]

Answer:

Step-by-step explanation:

$x = \sqrt{ {29}^{2} - {21}^{2} } \\ = \sqrt{841 - 441} \\ = \sqrt{400} \\ = 20$

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4 years ago

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A cylindrical diesel fuel holding tank has a radius of 6 feet and a length of 12 feet. What is the maximum volume of fuel the ta

Ganezh [65]

Volume of a cylinder is calculated as pi x radius x radius x height

pi is 3.14

so volume = 3.14 x 6 feet x 6 feet x 12 feet = 1356.48 ft3

so the correct answer is C)1,357 ft3

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3 years ago

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For the matrices below. Find all (real) eigenvalues. <br><br> A= [7 9]<br> [0 9]

Jet001 [13]

Answer:

The answer is "9 and 7".

Step-by-step explanation:

Given:

$A=\left[\begin{array}{cc}7&9\\0&9\end{array}\right]$

Using formula:

$|A-\lambda \cdot I|= 0\\\\$

$\to |\left[\begin{array}{cc}7&9\\0&9\end{array}\right]-\lambda \left[\begin{array}{cc}1&0\\0&1\end{array}\right] |=0\\\\\\ \to |\left[\begin{array}{cc}7&9\\0&9\end{array}\right]- \left[\begin{array}{cc}\lambda&0\\0&\lambda\end{array}\right] |=0\\\\\\\to|\left[\begin{array}{cc}7-\lambda &9\\0&9-\lambda\end{array}\right]|=0\\\\\\\to|(7-\lambda)(9-\lambda)|=0\\\\\to (7-\lambda)(9-\lambda)=0\\\\\to 7-\lambda=0 \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ 9-\lambda=0\\\\$

$\to \lambda=7 \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \lambda=9\\\\$

8 0

3 years ago

Write the equation of the line, in slope-intercept form, with the following information: slope: 1/3 y-intercept: (0, 2)

sp2606 [1]

Answer:

y=1/3x+2

Step-by-step explanation:

to put it in y=mx+b slope is m and b is the y intercept

6 0

3 years ago

Braydon brought 13 packages of golf balls for $273.Each package cost the same amount.How much does one package cost? Draw models

Firlakuza [10]

Answer:

Each pack cost $21

Step-by-step explanation:

$273 ÷ 13 = $21

Hope this helps (✿◠‿◠)

6 0

3 years ago