Let's take another look at the question:
If 4 is subtracted from twice a number the result is 10 less than the number.
let x = the number
"if 4 is subtracted from" is the same as
-4
"from twice a number" is the same as
2x
so put them together,
2x-4
"the result is"
=
2x-4=
10 less than
-10
the number
x
2x-4=x-10
now we find x
subtract x from both sides to get
x-4=-10
add 4 to both sides to get
x=-6
to check, plug in the value of x into the original equation
If you have any further questions, just ask me
Answer:
c/-9+6=14
c/-9=14-6
c/-9=8
c=8×(-9)
c= -72
Therefore the answer is (b)
Marcella won't be able to win the competition because the length of the rope is less than 162 feet.
<h3 />
How to find the sides of a right angle triangle?
The situation forms a right angle triangle.
The kite released rope is the hypotenuse side of the triangle formed.
The opposite side of the triangle is the height of the kite from the ground.
Therefore,
sin 28 = opposite / hypotenuse
sin 28 = 75 / h
h = 75 / sin 28
h = 75 / 0.46947156278
h = 159.754085116
h ≈ 160 feet
Therefore, she won't be able to win the competition because the length of the rope is less than 162 feet.
learn more on right triangle here: brainly.com/question/26774610?
#SPJ1
