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german
3 years ago
6

the matrix below represents the distance in miles between three cities. A row label represents the city traveled from. A column

label represents a city traveled to. what is the round trip distance in miles from city 1 to city 3

Mathematics
2 answers:
Lyrx [107]3 years ago
6 0

Answer:

The round trip distance in miles from city 1 to city 3 is 15. Therefore the correct option is 1.

Step-by-step explanation:

It is given that the matrix below represents the distance in miles between three cities. A row label represents the city traveled from. A column label represents a city traveled to.

\begin{bmatrix}0 & 5 & 15\\ 5 & 0 & 35\\ 15 & 35 &0 \end{bmatrix}

Here first element of first row represents the distance in miles from city 1 to city 1.

C_1\Rightarrow C_1=0

Second element of first row represents the distance in miles from city 1 to city 2.

C_1\Rightarrow C_2=5

Third element of first row represents the distance in miles from city 1 to city 3.

C_1\Rightarrow C_3=15

The round trip distance in miles from city 1 to city 3 is 15. Therefore the correct option is 1.

REY [17]3 years ago
4 0

Answer:

\large\boxed{30}

Step-by-step explanation:

.\qquad\ \ \begin{array}{ccc}c_1&c_2&c_3\end{array}\\\begin{array}{ccc}c_1\\c_2\\c_3\end{array}\left[\begin{array}{ccc}0&5&15\\5&0&35\\15&35&0\end{array}\right]\\\\\\Look\ at\ the\ picture.\\\\\text{from city1 to city3 (red lines) - 15 miles}\\\\\text{from city1 to city3 (blue lines) - 15 miles}\\\\15\ miles+15\ miles=30\ miles

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PLEASE ANSWER, WILL GIVE BRAINLIEST!
kumpel [21]
<h3>Answer:  b = 17</h3>

====================================================

Explanation:

The line must go through the point (5,2) which means x = 5 and y = 2 pair up together.

We'll plug these x and y values into the equation and solve for b.

y = -3x+b

2 = -3(5)+b

2 = -15+b

2+15 = b

17 = b

b = 17

The equation y = -3x+b turns into y = -3x+17

8 0
3 years ago
1(3/11-7d/17) using distributive property
nadezda [96]
D=51/77
First set up the equation equal to zero(0), the distribute from there.
6 0
3 years ago
Show how to solve 304 take away 217
s344n2d4d5 [400]
You do 304 subtract 217 which equals 87
8 0
3 years ago
What are the steps to solve for: 1/5(x+5)=1/4(x-3)+1
andrew11 [14]
Step 1. Simplify \frac{1}{5} (x+5) to \frac{x+5}{5}

\frac{x+5}{5} = \frac{1}{4} (x-3)+1

Step 2. Simplify \frac{x+5}{5} to 1+ \frac{x}{5}

1+ \frac{x}{5} = \frac{1}{4} (x-3)+1

Step 3. Simplify \frac{1}{4} (x-3) to \frac{x-3}{4}

1+ \frac{x}{5} = \frac{x-3}{4} +1

Step 4. Cancel 1 on both sides

\frac{x}{5} = \frac{x-3}{4}

Step 5. Multiply both sides by 20 (the LCM of 5,4)

4x=5(x-3)

Step 6. Expand

4x=5x-15

Step 7. Subtract 5x from both sides

4x-5x=-15

Step 8. Simplify 4x-5x to -x

-x=-15

Step 9. Multiply both sides by -1

x=15

Done! :) Hope this helps! :)








3 0
3 years ago
Aunt Kendra is pricing cakes for a baby shower she is throwing. She wants one large cake shaped like a duckling and also some cu
Andreas93 [3]

Answer:

$70

Step-by-step explanation:

Middletown Equation:

1c +50 = T

Sweet Shoppe Equation:

2c + 30 = T

Set equations equal to one another and solve for first for cupcakes then for cost.

1c + 50 = 2c + 30

c+ 20 = 2c

20 = c (twenty cupcakes would be ordered)

Now insert into either equation ( or both to check)

1(20) + 50 = 70

2(20)+ 30 = 70

Total cost would be $70

HOPE THIS HELPS!!!

4 0
2 years ago
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