3x+15=0
<=> 3x=-15
<=> x= -15/3
<=> x= -5
Vậy nghiệm của đa thức 3x+15 là -5
4√7
This is similar to collecting like terms in algebra
take out a common factor of √7 from each term
= √7( 5 + 1 - 2 ) = 4√7
The swimmer is 160 feet from the base of the platform
The diagram representing this illustration is shown below
Braylen's height = 6 feet
The platform's height = 8 feet
Total height = 8 + 6
Total height = 14 feet
Angle of depression, θ = 5°
Let the distance between the swimmer and the base of the platform be x
The value of x is calculated using the trigonometric identity below
The swimmer is 160 feet from the base of the platform
Learn more here: brainly.com/question/23497407
The Table shows a rate of 3 miles per hour. So you would multiply the number of hours times 3.
1 x 3 = 3
2 x 3 = 6
4 x 3 = 12
6 x 3 = 18
Time (hours) Miles
1 3
2 6
4 12
6 18
Hope this helps :)