Helppp please ....what percent of 18 is 0.2?

Mathematics

1 answer:

Zarrin [17]3 years ago

5 0

The answer is 18% of 0.2=0.036

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I'm struggling on questions 7,8 and 10 please help and show work, thank you!

dusya [7]

Question 7

(37,065 - 26, 102)/(37, 065) = P/100

(10, 963)/(37, 065) = P/100

37, 065P = (10, 963)(100)

37,065P = 109, 630

P = 109, 630 ÷ 37, 065

P = 2.9577768785

P = 295.78%

Do likewise for the rest of the questions.

To change from decimal to percent, move the decimal point two places to the right and then add the percent symbol (%).

6 0

4 years ago

What is the equation for calculating the electrical force, Fe, between two charges? Fe = kStartfraction q Subscript 1 baseline t

umka21 [38]

Answer:

$F=\frac{K Q1Q2}{d^2} \\$

Step-by-step explanation:

According to coulombs law "the force of attraction or repulsion between two charges Q1 and Q2 in a given medium is directly proportional to the product of their charges and inversely proportional to the square of the distance separating them"

$F=\frac{K Q1Q2}{d^2} \\$

where

k = constant of proportionality ( $9.05*10^9$ )