Using trigonometric ratios, the measure of side n to one decimal is 6.6 units.
<h3>How to solve for a side using trigonometric ratios?</h3>
Using the trigonometric principle
SOHCAHTOA,
cos 20 = adjacent / hypotenuse
adjacent side = n
hypotenuse side = 7
Therefore,
cos 20° = n / 7
cross multiply
n = 7 cos 20°
n = 7 × 0.93969262078
n = 6.5778483455
n = 6.6 units
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Answer:
3/5
Step-by-step explanation:
72/2 =36
120/2 =60
=36/60
36/2 = 18
60/2 = 30
=18/30
18/2=9
30/2 =15
= 9/15
9/3=3
15/3 =5
= 3/5
X = -5/2
X is a single horizontal line across the graph, because x has a set value
The x-intercept of the line is -6
The y-intercept of the line is 8
The slope of the line is
Step-by-step explanation:
You can find x-intercept by substitute y in the equation by zero
You can find y-intercept by substitute x in the equation by zero
If the equation of the line is ax + by = c, then
1. x-intercept ⇒ put y = 0
ax + b(0) = c
ax = c ⇒ divide both sides by a
x =
x-intercept =
2. y-intercept ⇒ put 0 = 0
a(0) + by = c
by = c ⇒ divide both sides by b
y =
y-intercept =
3. Slope ⇒ put the equation in the form y = m x + c, m is the slope
ax + by = c ⇒ subtract ax from both sides
by = c - ax ⇒ divide both sides by b
y = - x
m =
Slope =
∵ 4x - 3y = -24
∵ ax + by = c
∴ a = 4 , b = -3 and c = -24
∵ x-intercept =
∴ x-intercept =
∴ x-intercept = -6
∵ y-intercept =
∴ y-intercept =
∴ y-intercept = 8
∵ m =
∴ m =
∴ m =
The x-intercept of the line is -6
The y-intercept of the line is 8
The slope of the line is
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