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melisa1 [442]
3 years ago
14

Asif spent $745.10 on 13 new file cabinets for his office. Small file cabinets cost $43.50 and large file cabinets cost $65.95.

Write and solve a system of equations to find the number of small cabinets and large cabinets he purchased. Determine if each statement is True or False.
1. He purchased 5 small cabinets.

True or False

2. He purchased 7 large cabinets.

True or False

3. He spent $527.60 on large cabinets.

True or False
Mathematics
1 answer:
pentagon [3]3 years ago
6 0

Answer:


Step-by-step explanation

<h2></h2>
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What is the value of m in the figure below? In this diagram, ΔABD ~ ΔBCD.
Kryger [21]

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<h2>√126</h2>

Option D is the right option.

solution,

\frac{ac}{bc}  =  \frac{bc}{dc}  \\ or \:  \frac{18}{ m}  =  \frac{m}{7}  \\ or \: m \times \: m = 18 \times 7(cross \: multiplication) \\ or \:  {m}^{2}  = 126 \\ m =  \sqrt{126}

Hope this helps..

Good luck on your assignment.

Hope

6 0
3 years ago
An analyst must decide between two different forecasting techniques for weekly sales of roller blades: a linear trend equation a
Amiraneli [1.4K]

Answer:

Following are the responses to the given question:

Step-by-step explanation:

Mean Absolute Deviation MAD

MAD = \sum_{i=1}^{n} \frac{\left | actual_{i}-forecast_{i} \right |}{n}

Mean squared error  

MSE=\Sigma^{n}_{i=1} \frac{(Actual_i - Forecast_i)^2}{(n - 1)}

linear trend equation is Ft = 124 + 2t

MAD = \frac{23}{10} = 2.3\\\\MSE = \frac{91}{9}= 10.11\\\\

Naive method

MAD = \frac{36}{9} = 4\\\\MSE = \frac{202}{8}=25.25\\\\MAD (Naive) = 4\\\\MAD (Linear) =2.3\\\\MSE (Naive)=25.25\\\\MSE (Linear)=10.11\\\\

Please find the attached file.

7 0
3 years ago
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