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schepotkina [342]
3 years ago
9

You are making a battery for a science project. You have copper wire for your first electrode. You need to choose a conductor, a

second electrode, and a device to plug into your battery. You have already chosen a lemon conductor. Complete each statement below about the options that include a lemon conductor.
Mathematics
1 answer:
Kryger [21]3 years ago
5 0

Answer:

The number of battery options with a lemon conductor and a magnesium electrode is 3

The number of battery options with a lemon conductor and a zinc electrode is 3

The total number of battery options with a lemon conductor is 6

Step-by-step explanation:

<em>YOUR WELCOME</em>

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avanturin [10]
405, 596 is not the answer
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3 years ago
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Find the value of x - The answer is 45, but I need to show my work!!!<br><br> THANK YOU
Karo-lina-s [1.5K]

Answer:

x = 45°

Step-by-step explanation:

The total measurement is 360° (the measurement of a circle).

Set the equation. Set all measurements equal to 360:

228 + (x + 29) + (x + 13) = 360

Combine like terms:

228 + 29 + 13 + 2x = 360

2x + 270 = 360

Isolate the variable, x. Note the equal sign, what you do to one side, you do to other. Do the opposite of PEMDAS. First, subtract 270 from both sides:

2x + 270 (-270) = 360 (-270)

2x = 360 - 270

2x = 90

Next, divide 2 from both sides of the equation:

(2x)/2 = (90)/2

x = 90/2

x = 45

x = 45° is your answer.

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5 0
4 years ago
Write the equation in slope intercept form of the perpendicular bisector of a segment with endpoints of (2,5) and (4.9). ​
m_a_m_a [10]
The slope from (2,5) to (4,9) is 4/2 or just 2.
A perpendicular will have a gradient of -1/2
The midpoint is (3,7)
Therefore y=mx+c becomes 7=-1/2 x 3 + c
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4 0
3 years ago
Suppose you work for a large coffee distributor that has a secret coffee blend it sells to local stores. You mix the House blend
TiliK225 [7]

The ratio House blend/Organic Free Trade blend is the same and must remain the same.

So, the proportion is:

\frac{140}{168}=\frac{130}{x}

Where x is the unknown amount of the Organic Free Trade blend.

So, from the proportion, we have:

\begin{gathered} 140\cdot x=168\cdot130 \\ 140x=21840 \\ \frac{140x}{140}=\frac{21840}{140} \\ x=156 \end{gathered}

Answer: 156 pounds of Organic Free Trade blend

6 0
1 year ago
What is the solution to this inequality?<br>4(2x + 2) + 12 &gt; 100<br>please help!!​
skad [1K]

Subtract 12 from both sides

4(2x + 2) > 100 - 12

Simplify 100 - 12 to 88

4(2x + 2) > 88

Divide both sides by 4

2x + 2 > 88/4

Simplify 88/4 to 22

2x + 2 > 22

Subtract 2 from both sides

2x > 22 - 2

Simplify 22 - 2 to 20

2x > 20

Divide both sides by 2

x > 20/2

Simplify 20/2 to 10

<u>x > 10</u>

7 0
3 years ago
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