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valkas [14]
4 years ago
11

The length of 24 city blocks: 2 m or 2 km

Mathematics
2 answers:
kati45 [8]4 years ago
7 0
I'd say it's 2km because 2m is about the same as the height of a grown man
kotegsom [21]4 years ago
6 0
There is about 323ft in a city block. 24*323=7752ft

7752ft to km is about 2.3km

So I would say it is 2km in the choices you gave

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Solve the equation:<br> [3 2<br> 5 5]<br><br> [x1<br> x2]+<br> [1<br> 2]=<br> [2<br> -3]
dsp73

9514 1404 393

Answer:

  (x1, x2) = (3, -4)

Step-by-step explanation:

As with any 2-step linear equation, subtract the constant, then multiply by the inverse of the coefficient of the variable.

  \left[\begin{array}{cc}3&2\\5&5\end{array}\right]\left[\begin{array}{c}x\\y\end{array}\right]+\left[\begin{array}{c}1\\2\end{array}\right]=\left[\begin{array}{c}2\\-3\end{array}\right]\\\\\left[\begin{array}{cc}3&2\\5&5\end{array}\right]\left[\begin{array}{c}x\\y\end{array}\right]=\left[\begin{array}{c}1\\-5\end{array}\right]\\\\\left[\begin{array}{c}x\\y\end{array}\right]=\dfrac{1}{5}\left[\begin{array}{cc}5&-2\\-5&3\end{array}\right]\left[\begin{array}{c}1\\-5\end{array}\right]

Performing the multiplication of the matrix by the vector gives the solution.

  x = ((5)(1) +(-2)(-5))/5 = 15/5 = 3

  y = ((-5)(1) +(3)(-5))/5 = -20/5 = -4

Using your variables, x1, x2, the solution is ...

  (x1, x2) = (3, -4)

7 0
3 years ago
4 people can trim a hedge in one hour.
Pani-rosa [81]
4 people in 60 minutes =
1 person in 15 minutes

3 people = 45 minutes
6 0
3 years ago
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Which of the following are polynomials?
Pavel [41]
B and D are the correct choices
4 0
3 years ago
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ASAP. Can someone help me find the percentage of these please, I can't figure it out. (Pic below)
atroni [7]

Answer:

Interphase: 55.56%

Prophase: 27.78%

Metaphase: 8.33%

Anaphase: 5.56%

Telophase: 2.78%

Step-by-step explanation:

All you need to do is follow the instructions. To get the percentage, all you need to do is divide the part by the whole then multiply it by 100%.

\dfrac{Part}{Whole}\times 100\%

Now let's take your problem:

Number of cells in interphase:

20 this is the part and the whole would be the total cells, which is 36. Now we insert that into our equation:

\dfrac{20}{36}\times 100\%=0.5556\times100\%=55.56\%

So now we apply the same to the rest:

Prophase:

\dfrac{10}{36}\times 100\%=0.2778\times100\%=27.78\%

Metaphase:

\dfrac{3}{36}\times 100\%=0.0833\times100\%=8.33\%

Anaphase:

\dfrac{2}{36}\times 100\%=0.0556\times100\%=5.56\%

Telophase:

\dfrac{1}{36}\times 100\%=0.0278\times100\%=2.78\%

4 0
3 years ago
What is AB in the figure?
sweet [91]

Answer:

Angle Bisector

Step-by-step explanation:


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