Hello!
Answer:
x=10/3
Step-by-step explanation:
First you want start by adding 4 to both sides
6x-4+4=16+4
6x=20
Then divide 6 to both sides,
6x/6=20/6
x= 10/3
Hope this helps! :)
Answer:
(-2.5,0)
Step-by-step explanation:
1.5(4x+3y)=-10(1.5) =
6x+4.5y=-15
6x+4.5y= 6x-5y (substitution)
-6x from both sides
4.5y =-5y
y=0
6x-0=-15
divide by 6
x=-2.5
Check:
-2.5(4)+3(0)=-10
-10= -10 (correct!)
(6)-2.5-0=- 15 (correct!)
Answer: option b
Step-by-step explanation:
Answer:
Angle of elevation: 68.2°, distance from Mr. clanton to the eagle: 32.3m.
Step-by-step explanation:
I can't draw the diagram , but will try to explain:
the diagram is a right angled triangle, with the opposite as the rig, the adjacent as the distance between mr. clinton and the base of the rig, and the hypotenuse as x.
∅ is the angle of elevation from clinton to the eagle.
Using SOH CAH TOA,
Tan∅ =30÷12
tan∅ =2.5.
∅ =tan^-1( tan raised to power -1 )
∅ =tan^-1(2.5)
∅ = 68.19859051≅68.2 to 3s.f.
To get the distance between mr. clinton and the eagle:
Using SOH CAH TOA;
Cos68.2 =12/x cross multiplying....
x*cos68.2 =12
∴ x = 12 ÷ cos 68.2
= 12 ÷ 0.3713678356
= 32.31297611≅32.3 to 3s.f.
Hope this helps.....
$6.70
unit rate:
5.96 divided by 4 = 1.49.
so then:
1.49 x 4.5 = 6.70