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maria [59]
3 years ago
9

Fred can paint a 30-foot fence in 5 hours. Which of the following is true?

Mathematics
1 answer:
Eduardwww [97]3 years ago
8 0

Answer:

lol

Step-by-step explanation:

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Please help! I am so confused on this, I've probably been stuck on it for at least an hour.
julsineya [31]

9514 1404 393

Answer:

  see attached for the drawing

  slope = -1/2

Step-by-step explanation:

For the rise of -1 and the run of 2, the slope is ...

  m = rise/run = -1/2 . . . . slope in simplest form

__

<em>Additional comments</em>

It usually works best if you can identify points on the graph where the line crosses grid intersections. Then the number of squares in each direction can be counted easily. If you work with two grid intersections that are closest together, then the ratio of rise to run will already be in reduced form.

On this graph, there are other grid crossing points that are 4, 6, 8 units to the right or left of the one where we started. You need to remember that "run" is positive in the "right" direction, and "rise" is positive in the "up" direction.

We have shown the "rise" and "run" lines above the graphed line. They can also be shown below the graphed line.

Here, the grid squares are 1 unit in each direction. You need to pay attention to the scale, because some graphs have different numbering vertically than horizontally. The values for "rise" and "run" need to be figured using the appropriate scale.

5 0
3 years ago
Help please thank you
lara31 [8.8K]

One of the rules of logarithms is as follows;

\begin{gathered} \log _ab=x \\ Is\text{ equivalent to,} \\ a^x=b \end{gathered}

We can now insert the corresponding values in the question provided, as shown below;

\begin{gathered} \log _2\frac{1}{16}=-4 \\ \text{This is equivalent to,} \\ 2^{-4}=\frac{1}{16} \end{gathered}

Note that, one of the rules of exponents, states that a number when raised to the power of a negative value, is equivalent to the reciprocal of that expression. An example is shown below;

a^{-x}=\frac{1}{a^x}

Therefore, our equation can now be re-written as follows;

\begin{gathered} 2^{-4}=\frac{1}{16} \\ \frac{1}{2^4}=\frac{1}{16}^{} \\ \frac{1}{16}=\frac{1}{16} \end{gathered}

However, the question requires the answer to be expressed in exponential form. Therefore,

\log _2\frac{1}{16}=2^{-4}

4 0
2 years ago
Solve ~<br><img src="https://tex.z-dn.net/?f=x%20%7B%7D%5E%7B2%7D%20%20-%205x%20%2B%206%20%3D%200" id="TexFormula1" title="x {}^
Thepotemich [5.8K]

Answer:

x=3,2

Step-by-step explanation:

Move all terms to the left side and set equal to zero. Then set each factor equal to zero.

6 0
2 years ago
Read 2 more answers
Your classmate is starting a new fitness program. He is planning to ride his bicycle 30 minutes every day. He burns 7 calories p
AlexFokin [52]

Set your equations up algebraically.

At 11mph: 43 minutes to burn 300 calories

At 15mph: 28 minutes to burn 300 calories

4 0
3 years ago
1/4x - 13 = 1/4(x + 13) how many solutions
PilotLPTM [1.2K]

Answer: No Solutions

Step-by-step explanation:  

There are no values of  

x

that make the equation true.

No solution

4 0
3 years ago
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