The formula for electrical power, \displaystyle PP , is \displaystyle P=I^{2}RP=I 2 R , where \displaystyle II is current and \displaystyle RR is resistance. The formula for \displaystyle II in terms of \displaystyle PP and \displaystyle RR is:

Answers

Answer 1

Answer:

I = √(P/R)

Step-by-step explanation:

Given the formula for electric power, we want to rewrite the formula in terms of I

What this means is that we want to make I the subject of the formula;

From ;

P = I^2R

I^2 = P/R

I = √(P/R)


Related Questions

can somebody please help me on these questions ASAP , I appreciate it so much :)

Answers

I took the time to work it out but i really only got one answer i hope this helps

Which ordered pair is a solution of the equation?

5x−2y=18

Answers

Answer:

Step-by-step explanation:

5x−2y=18

5(0)−2y=18

-2y=18

y=-9

5x−2(0)=18

5x+0=18

5x=18

x=18/5

0.3x-2.4=1.25x
How to solve

Answers

Answer:

hi

Step-by-step explanation:

0

.

3

2

.

4

=

1

.

2

5

0.3x-2.4=1.25x

0.3x−2.4=1.25x

3

1

0

2

.

4

=

1

.

2

5

Answer:

x = -2.52631578

Step-by-step explanation:

Combine multiplied terms into a single fraction.

0.3x - 2.4 = 12.5x

3x/10 - 2.4= 1.25x

Again, combine multiplied terms into a single fraction.

3x/10 - 2.4= 1.25x

3x/10 - 2.4 = 5x/4

Add 2.4  to both sides of the equation

3x/10 - 2.4 = 5x/4

3x/10 - 2.4 + 2.4 = 5x/4 + 2.4

Simplify (Add the numbers)

3x/10 = 5x/4  + 2.4

Multiply all terms by the same value to eliminate fraction denominators.

3x/10 = 5x/4  + 2.4

2  x 2 x 5 x 3x/10 = 2 x 2 x 5(5x/4 +2.4)

Therefor, x = 2.52631578

Hope this helps, have a great day! :)

y is directly proportional to x2
If y = 12 when X = 2 find
X when y = 300

Answers

80 I hope this helps

Please help me !!!! ASAP

Answers

Answer:

the slope is 3/2

Step-by-step explanation:

(x1,y1)= (2,7)

(x2,y2)= (4,10)

slope=

[tex] \frac{y2 - y1}{x2 - x1} = \frac{10 - 7}{4 - 2} = \frac{3}{2} [/tex]

What theorem shows that l // m

Answers

alternate interior, they are inside the lines & on opposite sides !!

A pitcher can hold 5.2 liters of water. How many 0.4 liter glasses of water can be poured from the pitcher?
10
11
13
5

Answers

5.2/0.4 =
Answer is 13

For the number .843356, round to the nearest 10th

Answers

The answer would be .8

The reason is .8 is in the tenths place and the 4 beside it makes it stay the same

Five or more up the score four or less let it rest

Answer: 0.8

Step-by-step explanation:

A group of hikers walks 3 miles east and then 1 mile north. After taking a break, they then hike 4 miles east to their final destination. What vector describes their hike from their starting position to their final destination? Let 1 unit represent 1 mile. The vector that describes their hike from their starting position to their final destination is

Answers

Answer:

The vector that describes their hike from their starting position to their final destination is [tex]\vec r = 7\,\hat{i}+1\,\hat{j}\,\,\,[mi][/tex].

Step-by-step explanation:

In this problem we assume that orthogonal axes coincide with the north and east. We proceed to translate each sentence from statement into vectorial equations:

(i) A group of hikers walks 3 miles east and then 1 mile north:

[tex]\vec r_{A} = 3\,\hat{i}+1\,\hat{j}\,\,\,[mi][/tex]

(ii) After taking a break, they then hike 4 miles east to their final destination:

[tex]\vec r_{B} = 4\,\hat{i}\,\,\,[mi][/tex]

The vector that describes their hike from their starting position to their final destination is the sum of the vectors deducted above. That is:

[tex]\vec r = \vec r_{A}+\vec r_{B}[/tex]  (1)

[tex]\vec r = (3\,\hat{i}+1\,\hat{j})+4\,\hat{i}\,\,\,[mi][/tex]

[tex]\vec r = 7\,\hat{i}+1\,\hat{j}\,\,\,[mi][/tex]

The vector that describes their hike from their starting position to their final destination is [tex]\vec r = 7\,\hat{i}+1\,\hat{j}\,\,\,[mi][/tex].

MR. WINTER WAS STANDING ON THE MIDDLE RUNG OF HIS LADDER. HE THEN STEPPED UP 4 RUNGS, THEN DOWN 6 RUNGS. LATER HE CLIMBED BACK UP 7 RUNGS. FINALLY, HE CLIMBED UP 5 MORE RUNGS AND REACHED THE TOP OF THE LADDER. HOW MANY RUNGS WERE THERE ON HIS LADDER?

Answers

why all caps ? ;) ....

Four friend do yard work for their neighbors over the weekend earning $15, &20, and $40, respectively. They decide to split their earnings equally among themselves. In total how much will the friend who earned $40 give to the others?

Answers

Answer:

$10 each

Step-by-step explanation:

There are four friends

Friend 1 = $15

Friend 2 = $20

Friend 3 = $40

Friend 4 = unknown

NOTE;

You didn't provide the earnings of the fourth friend is not given BUT the question can be solved without knowing the earnings of the fourth friend

The four friends decide to split their earnings equally among themselves

how much will the friend who earned $40 give to the others?

Amount given to others = $40 / 4

= $10

The friend who earned $40 will give $10 each to the others

what is the slope of this graph?​

Answers

The second choice is corrcet

Answer:

It is -2/3

Step-by-step explanation:

The term GLOBAL ETHIC refers to a set of common moral values and ethical standards which are shared by the different faiths and cultures on Earth.

These common moral values and ethical standards constitute a humane ethic, or, the ethic of humanity. In view of the process of globalization this ethic of humanity has been termed by the famous Roman Catholic theologian and philosopher Professor Hans Küng as the “GLOBAL ETHIC”.

Although the concept of a GLOBAL ETHIC was at first introduced by Professor Hans Küng in 1989 it is, in his own words, “not a new invention but only a new discovery” of common principles which are as old as humankind.

There can be no doubt that a globalizing world with its tremendous social, ecological and moral problems needs a globalization of moral values and ethical standards, in short: a GLOBAL ETHIC, in order to survive as a place where our grandchildren and great-grandchildren can live a decent life.





CAN ANY ONE HELP ME GET 5 BRAINIEST

Answers

Answer:

Hey josh I am queen this is my new account hope u r ok and safe please why don’t u talk to me please josh

Step-by-step explanation:

I still love you josh I love you more then anything u will be in heart forever even tho u love country girl but I don’t care

I swear I am crying right now

Mr. Zhou surveyed his 25 students to find out how much time they spent doing homework each week. The results of his survey are shown in the table below PLS HELP QUICK

Answers

Answer:

I think it's 12

Step-by-step explanation: i'm sorry if you got it wrong  have the same question to.... sorry

Answer:

it is 12

Step-by-step explanation:

Pls help me and can you give tips on exponents??!

Answers

Answer:

Basically, exponents represent the number of times you multiply that number by itself. For example, 3² = 9, because you multiply 3 times 3.

Step-by-step explanation:

m+4/3=r solve for m

Answers

Answer:

m=r-4/3

Step-by-step explanation:

Put 4/3 on the other side of the equals sign and change the sign

Hope this helped, Have a Great Day!!

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

[tex]m + \frac{4}{3} = r \\ [/tex]

Subtract sides - 4 / 3

[tex]m + \frac{4}{3} - \frac{4}{3} = r - \frac{4}{3} \\ [/tex]

[tex]m = r - \frac{4}{3} \\ [/tex]

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

Find the third, fifth, and seventeenth terms of the sequence described by
the explicit formula: f(n)=-9.2-2.5(n-1)

Answers

Given:

The explicit formula of a sequence is

[tex]f(n)=-9.2-2.5(n-1)[/tex]

To find:

The third, fifth, and seventeenth terms of the sequence.

Solution:

We have,

[tex]f(n)=-9.2-2.5(n-1)[/tex]

For n=3,

[tex]f(3)=-9.2-2.5(3-1)[/tex]

[tex]f(3)=-9.2-2.5(2)[/tex]

[tex]f(3)=-9.2-5[/tex]

[tex]f(3)=-14.2[/tex]

For n=5,

[tex]f(5)=-9.2-2.5(5-1)[/tex]

[tex]f(5)=-9.2-2.5(4)[/tex]

[tex]f(5)=-9.2-10[/tex]

[tex]f(5)=-19.2[/tex]

For n=7,

[tex]f(7)=-9.2-2.5(7-1)[/tex]

[tex]f(7)=-9.2-2.5(6)[/tex]

[tex]f(7)=-9.2-15[/tex]

[tex]f(7)=-24.2[/tex]

Therefore, the third, fifth, and seventeenth terms of the sequence are -14.2, -19.2 and -24.2 respectively.

What is the slope of a line perpendicular to the line whose equation is x-3y=-18

Answers

Answer: y = 3x + 2

Step-by-step explanation: Convert the equation to slope intercept form to get y = –1/3x + 2.  The old slope is –1/3 and the new slope is 3.  Perpendicular slopes must be opposite reciprocals of each other:  m1 * m2 = –1

With the new slope, use the slope intercept form and the point to calculate the intercept: y = mx + b or 5 = 3(1) + b, so b = 2

So y = 3x + 2

Question 6 (1 point)
Erica is collecting cans for a school fundraiser. She collects 5 the first day, 10 the
second day, and 15 the third day. If the pattern continues, how many cans will she
collect on the tenth day?
50 cans
15 cans
100 cans
065 cans

Answers

59 cans ... she counting up by 5s so multiply 5 x 10

How many total minutes is the Express train stopped from 7:00 am until 8:30 a.m

Answers

8:30-7:00= 1hr 30 minutes

Answer is 1hr 30 minutes

I need help please ​

Answers

Answer:

1, 2

Step-by-step explanation:

An easy way to find the solution to a system of linear equations is to just replace it with x and y.

1, 2

1+2=3(x+y+3)

2+10=12(2x+5y=12)

Answer:

(1,2)

it's correct answer....be sure it's correct

Help ASAP please!!!!!!!!!​​

Answers

Answer:

Δ JKL is similar to Δ ABC ⇒ D

Step-by-step explanation:

Similar triangles have equal angles in measures

In ΔABC

m∠A = 15°

m∠B = 120

∵ The sum of the measures of the interior angles of a Δ is 180°

∴ m∠A + m∠B + m∠C = 180°

→ Substitute the measures of ∠A and ∠B

∵ 15 + 120 + m∠C = 180

→ Add the like terms in the left side

∴ 135 + m∠C = 180

→ Subtract 135 from both sides

∴ 135 - 135 + m∠C = 180 - 135

m∠C = 45°

The similar Δ to ΔABC must have the same measures of angles

If triangles ABC and JKL are similar, then

m∠A must equal m∠J

m∠B must equal m∠K

m∠C must equal m∠L

∵ m∠J = 15°

m∠A = m∠J

∵ m∠L = 45°

m∠C = m∠L

∵ m∠J + m∠K + m∠L = 180°

→ Substitute the measures of ∠J and ∠L

∵ 15 + m∠K + 45 = 180

→ Add the like terms in the left side

∴ 60 + m∠K = 180

→ Subtract 60 from both sides

∴ 60 - 60 + m∠K = 180 - 60

∴ m∠K = 120°

m∠B = m∠K

Δ JKL is similar to Δ ABC

What is the value of x in the equation 18-37x--42x+0.37​

Answers

Answer:4.48

Step-by-step explanation:

Cuz I sed so. (70% chance of being wrong, so just use 4.48099829836)

Four more than twice a number is half the number six times. Find the number.

Answers

Answer:

x = 4

Step-by-step explanation:

2x + 4 = 6(1/2×)

2x + 4 = 3x

-2x on oth sides

4=×

x is 4

х
у
-3
0
-2
-5
-1
-25
0
-60
1
-110
2
-60
3
-25
4
-5
5
0

Answers

Answer:

um how do i know what belongs on x side and Y side

Step-by-step explanation:

need a picture

Help me please as soon as possible

Answers

90+31= 121
3x-1+121=120
3x+120=180
-120
3x=60
Divide by 3 on both sides
X=20
X=15


90+31+3x-1=180
121+3x-1=180
120+3x=180
3x=60
X=15

b. Selena has a coupon for 15% off ice cream. If she pays $2.68 with the coupon, what was the original price of the ice cream?

Answers

$3.15 , if you took off 15% then that would be $0.47

What is the slope on this graph

Answers

Answer:

Zero slope

Step-by-step explanation:

the line is horizontal on the y axis, so it has a zero slope

and because

i aint never seen two pretty best friends, its always one of em gotta be ugly

Help with question 1 & 2 pls .

Answers

Answer:

1. (c)

2. (c)

Step-by-step explanation:

write a equation that passes through the points 5,2 and 2,8

Answers

Answer:

y = -6/3x + 8

Step-by-step explanation:

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