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3 years ago

A flight from New York City to Chicago takes 3 1/2 hours

Mathematics

1 answer:

SpyIntel [72]3 years ago

3 0

Answer:

8 HOURS PLEASE GIVE BRAINLIEST

Step-by-step explanation:

NY TO CHICAGO = 3.5 HOURS

CHICAGO TO LA = 4.5 HOURS

NY TO CHICAGO CHICAGO TO LA

3.5 + 4.5 = 8 HOURS

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Create a matrix that is equal to F+G. The first matrix below is named F and the second matrix below is named G. Name the new mat

likoan [24]

F+G:

$F+G=\begin{bmatrix}{-1.8} & {-8.6} & {} \\ {2.85} & {-1.4} & {} \\ {-1.8} & {5.1} & {}\end{bmatrix}+\begin{bmatrix}{1.32} & {-1.9} & {} \\ {2.25} & {0.0} & {} \\ {-6.2} & {1.4} & {}\end{bmatrix}$

Then, add the elements that occupy the same position:

$H=\begin{bmatrix}{-1.8+1.32} & {-8.6+(-1.9)} & {} \\ {2.85+2.25} & {-1.4+0.0} & {} \\ {-1.8+(-6.2)} & {5.1+1.4} & {}\end{bmatrix}$

Solve

$H=\begin{bmatrix}{-0.48} & {-10.5} & {} \\ {5.1} & {-1.4} & {} \\ {-8} & {6.5} & {}\end{bmatrix}$

So, we find the element at address h31:

$H=\begin{bmatrix}{h11} & {h12} & {} \\ {h21} & {h22} & {} \\ {h31} & {h32} & {}\end{bmatrix}$

In this case, position h31 is - 8.0

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1 year ago

5x when x=7 ......... NEED HELP

Gnoma [55]

Answer:

Step-by-step explanation:

5 x 7 = 35

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DiKsa [7]

Answer:

Step-by-step explanation:

We need to plot the points in a graph and see the general shape of the curve.

<em>Attached is the graph.</em>

<em />

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$ax^2 + bx + c$

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Naddika [18.5K]

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Answer:

Step-by-step explanation:

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