Answer:
Width = 10 feet
Length = 15 feet
Step-by-step explanation:
Let the width = x feet
Length = x + 5
Perimeter = 50 feet
2 * ( length + width) = 50
2 * (x+5 + x) = 50
2x + 5 = 50/2
2x + 5 = 25
2x = 25 - 5 = 20
x = 20/2 = 10
Width = 10 feet
Length = 10 + 5 = 15 feet
Commutative Property of Multiplication.
Answer:
460
Step-by-step explanation:
115 times 4 is 460, 115+115+115+115= 460.
Answer:
c
Step-by-step explanation:
The exact value of cos120 if the measure 120 degrees intersects the unit circle at point (-1/2,√3/2) is 0.5
<h3>Solving trigonometry identity</h3>
If an angle of measure 120 degrees intersects the unit circle at point (-1/2,√3/2), the measure of cos(120) can be expressed as;
Cos120 = cos(90 + 30)
Using the cosine rule of addition
cos(90 + 30) = cos90cos30 - sin90sin30
cos(90 + 30) = 0(√3/2) - 1(0.5)
cos(90 + 30) = 0 - 0.5
cos(90 + 30) = 0.5
Hence the exact value of cos120 if the measure 120 degrees intersects the unit circle at point (-1/2,√3/2) is 0.5
Learn more on unit circle here: brainly.com/question/23989157
#SPJ1
