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balandron [24]
3 years ago
15

Explain how to find the constant rate of change from the verbal description below.

Mathematics
1 answer:
Oksanka [162]3 years ago
3 0

Answer:

62miles/1hr

Step-by-step explanation:

In order to get the rate of change I divided 124 miles by 2 hours to get 62 miles.

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Use the net to complete the surface area of the three dimensional figure a.126 units b.132 units c.154 units d.202 units
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Answer:its B

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Check all of the ordered pairs that satisfy the equation below.
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what is the y-coordinate for A?

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Pls hurry! Will make brainliest!! What is the formula that relates circumference and diameter?
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Circumference = πd

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Read 2 more answers
3) If a = -19, d = 4 then find t2<br>​
geniusboy [140]

Answer:

-15.

Step-by-step explanation:

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8 0
3 years ago
HELP PRECALC DO NOT UNDERSTAND WILL GIVE BRAINLIEST
Olegator [25]

Answer:

  the lower right matrix is the third correct choice

Step-by-step explanation:

Your problem statement shows that you have correctly selected the matrices representing the initial problem setup (middle left) and the problem solution (middle right).

Of the remaining matrices, the upper left is an incorrect setup, and the lower left is an incorrect solution matrix.

__

We notice that in the remaining matrices on the right that the (2,3) term is 0, and the (3,2) and (3,3) terms are both 1.

The easiest way to get a 0 in the 3rd column of row 2 is to add the first row to the second. When you do that, you get ...

  \left[\begin{array}{ccc|c}1&1&1&29000\\1+2&1-3&1-1&1000(29+1)\\0&0.15&0.15&2100\end{array}\right] =\left[\begin{array}{ccc|c}1&1&1&29000\\3&-2&0&30000\\0&0.15&0.15&2100\end{array}\right]

Already, we see that the second row matches that in the lower right matrix.

The easiest way to get 1's in the last row is to divide that row by 0.15. When we do that, the (3,4) entry becomes 2100/0.15 = 14000, matching exactly the lower right matrix.

The correct choices here are the two you have selected, and <em>the lower right matrix</em>.

3 0
3 years ago
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