Answer:

Step-by-step explanation:
Standard equation of a line is y = mx + b, where m is the slope.
Given line y = - 3x + 78, slope, m₁ = -3
<em><u>To find the line perpendicular to the given line.</u></em>
The lines are perpendicular to each other if the product of their slopes = - 1
That is,

So the slope of new line is


Answer:
magnitude of decrease = 120 - 54 = 66$
the percentage = (66/100)×100 = 66%
The percentage of the pages in the manual without pictures is 0.92%.
The number of the pages in the manual without pictures is 0.01
<h3>
What are percentages?</h3>
Percentage can be described as a fraction out of an amount that is usually expressed as a number out of hundred. It is a measure of frequency.
<h3>What is the percentage of the pages without pictures? </h3>
Percentage = (number of pages without pictures / total number of pages) x 100 = 0.92%
To learn more about percentages, please check: brainly.com/question/25764815
GX is the angle bisector. Answer is C
Answer:
see steps
Step-by-step explanation:
New price was increase from 100% to 109% at £1800.
By proportionality,
old price / 100% = 1800 / 109%
Cross multiply to get
old price = $1800 * 100% / 109% = £1651.38