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Aleks04 [339]
1 year ago
8

Isolate I for the literal equation V = IR

Mathematics
1 answer:
Anit [1.1K]1 year ago
3 0

In order to isolate any term from an equation we need to clear out any different variable or numbers different from the one we want

V=IR

in this case I is being multiplied by R, so we need to do the opposite which is divide in order to eliminate

V=\frac{IR}{R}

But since this is an equality we must do it on both sides so de equation does not get altered

\frac{V}{R}=\frac{IR}{R}

Then we simplify the equation

I=\frac{V}{R}

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Solve for the variable in 6⁄18 = x⁄36 A. 12 B. 6 C. 3 D. 9
RoseWind [281]
\dfrac{6}{18}  = \dfrac{x}{36} 

\dfrac{1}{3} =  \dfrac{x}{36} 

\dfrac{1}{3} * 36 = x   |Multiply \ by \ 36|

x= \dfrac{36}{3}  |Divide \ both \ sides \ by \ 3|

x=12
4 0
2 years ago
a parking meter accepts only 20p coins or 50p coins.On one day, 39 coins were collected with a total value of $11.40. find how m
Snowcat [4.5K]

Answer:

x + Y = 39 or x = 39-y

20x + 50y = 1.40

20 (39 - y) + 50y = 11.40

7.80 - 20y + 50y = 11.40

30y = 11.40 - 7.80

30y = 3.60

y = 3.60/30

y = 12 50p coins were collected.

x = 39 - 12 = 27 20p coins were collected.

Proof:

20*27 + 50*12 = 11.40

5.40 + 6 = 11.40

11.40 = 11.40

I hope it helps.

6 0
2 years ago
Read 2 more answers
Use scientific notation to estimate the following: How many times greater is Mount Everest’s highest peak than Mount Olympus’s?
goblinko [34]

Answer:

0.303*10^1

Step-by-step explanation:

height of everest = 8848m

height of olympus = 2918m

8 0
3 years ago
Find the X and Y intercept of line 2x+3y=-12<br><br> X-intercept -<br><br> Y- Intercept-
vivado [14]

Answer:

  • Let us rearrange
  • 3y=-2x-12
  • y=-2/3x-4
  • So y intercept is -4
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7 0
2 years ago
What is the answer to(1−5q)+2(2.5q+8)
never [62]
Greetings!

Simplify the Expression.
=(1-5q)+2(2.5q+8)

Distribute the Parenthesis. 
<em>How?</em><span> Multiply the terms inside the Parenthesis by the term outside of the Parenthesis.
</span>=1*1-1*5q+2*2.5q+2*8

Combine Like Terms.
=1-5q+5q+16

=17

The Answer Is:
\left[\begin{array}{ccc}17\end{array}\right]

Hope this helps.
-Benjamin

5 0
2 years ago
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