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3 years ago

Please someone help me

Mathematics

1 answer:

Vanyuwa [196]3 years ago

3 0

1.
1/4 is less then 2/4 or 1/2so if the denominator is equal it will be easier to multiply

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A circuit has a current of 1.2 a. if the voltage decreases to one-third of its original amount while the resistance remains cons

Alexeev081 [22]

Given that the resistance remains constant, if the voltage decreases to one-third of its original amount, the resulting current in the circuit is 0.4A

Ohm’s law states that the potential difference between two points is directly proportional to the current flowing through the resistance.

It is expressed as;

V = IR

Where V is the voltage or potential difference, potential difference, I is the current and R is the resistance.

Given that;

Initially, A circuit has a current I = 1.2A

V = IR

R = V/I

R = V/1.2A ...... let this be equation 1

Next, voltage decreases to one-third of its original amount while the resistance remains constant.

Meaning Voltage = 1/3 of V = V/3

Hence;

V = IR

V/3 = IR

From equation 1 ( R = V/1.2A )

V/3 = I × V/1.2A

V/3 = IV/1.2A

We cross multiply

V1.2A = 3IV

I = V1.2A / 3V

I = 1.2A / 3

I = 0.4A

Therefore, given that the resistance remains constant, if the voltage decreases to one-third of its original amount, the resulting current in the circuit is 0.4A

Learn more about potential difference here: brainly.com/question/2364325

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8 0

2 years ago

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Equivalent express15n+5n

makkiz [27]

♥ Let's solve:

15n+5n can be known as 15+5.

15+5=20 now add n.

Final answer: 20n

6 0

3 years ago

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Al wants to put tile in his kitchen that measures 13 feet long and 7 feet wide. How much tile will he need?

mars1129 [50]

Answer:

Al will need 91 feet of tile to go into his kitchen.

Step-by-step explanation:

A=L x W

A = 13 x 7

A = 91 ft.

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2 years ago

Can someone explain this to me??

SOVA2 [1]

Answer:

Yes. g⁻¹(x) = f(x).

Step-by-step explanation:

Let y = ∛x - 1.

Rearrange to solve for x:

y+1 = ∛x

(y+1)³ = x

Swap x and y:

(x+3)³ = y

g⁻¹(x) = (x+3)³ = f(x)

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2 years ago

I need help with this 8

zubka84 [21]

The complete proof for the given parallelogram is given in the image attached below.

<h3>What is a Parallelogram?</h3>

A parallelogram is a quadrilateral whose opposite sides are parallel and also congruent to each other.

The complete proof would be as shown below:

1. ABCD is a parallelogram [given]

2. AB║CD [Definition of parallelogram]

3. ∠1 ≅ ∠2, ∠3 ≅ ∠4 [alternate interior angles theorem]

4. AB ≅ CD [Definition of parallelogram]

5. ΔABE ≅ ΔCDE [ASA]

6. AE ≅ CE, BE ≅ DE [CPCTC]

7. AC and BD bisects each other at E [definition of segment bisector]

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6 0

1 year ago