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3 years ago

15

What are the coordinates of a point called

1 answer:

kozerog [31]3 years ago

8 0

Step-by-step explanation:

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What additional information is necessary to prove that SILY is a parallelogram

kirza4 [7]

Answer:

Are the sides parallel?

Step-by-step explanation:

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3 years ago

what is the exact area of a circle with a radius of 12 feet? A. 24π square feet B. 36π square feet C. 121π square feet D. 144π s

Maksim231197 [3]

The answer is D. 144pie square feet

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3 years ago

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A. 40°<br>B. 50°<br>C. 80 °<br>D. 140°

Ghella [55]

Answer: A. 40

Step-by-step explanation:

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3 years ago

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What is the total resistance of a parallel circuit that has two loads? Load one has a resistance of 10 ohms. Load two has a resi

Romashka-Z-Leto [24]

Answer:

The total resistance is $7.0588\Omega$

Step-by-step explanation:

Attached please find the circuit diagram. The circuit is composed by a voltage source and two resistors connected in parallel: $R_1=10\Omega$ and $R_2=24\Omega$ .

First step: find the total current

For finding the current that the voltage source can provide, you must find the current consumed by each load and then add both. To do that, take first into account that the voltage is the same for both resistors ( $R_1$ and $R_2$ ).

$I_{R_1}=\frac{V_S}{R_1}$
$I_{R_2}=\frac{V_S}{R_2}$

The total current is:

$I_{TOTAL}=I_{R_1}+I_{R_2}=\frac{V_S}{R_1}+\frac{V_S}{R_2}=\frac{R_2\cdot V_S+R_1\cdot V_S}{R_1\cdot R_2}$

$I_{TOTAL}=V_S\cdot \frac{R_1+R_2}{R_1\cdot R_2}$

Now, the total resistance ( $R_{TOTAL}$ ) would be the voltage divided by the total current:

$R_{TOTAL}=\frac{V_S}{I_{TOTAL}}$

If you replace $I_{TOTAL}$ by the expression obtained previously, the total resistance would be:

$R_{TOTAL}=\frac{V_S}{V_S\cdot \frac{R_1+R_2}{R_1\cdot R_2}}$

After simplifying the terms you should get:

$R_{TOTAL}=\frac{R_1\cdot R_2}{R_1 + R_2}}$

Now, you must replace the values of the resistors:

$R_{TOTAL}=\frac{(10\Omega )\cdot (24\Omega)}{10\Omega + 24\Omega}}=\frac{120}{17}\Omega=7.0588\Omega$

Thus, the total resistance is $7.0588\Omega$

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3 years ago

Question 19 of 40

Tcecarenko [31]

Answer:

5/7=W/28

Step-by-step explanation:

They won 5 out of 7 played games so that's their win rate. If the same team continued to do this for 28 games then they would win 20 times.

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3 years ago