Answer:
SU = 15
Step-by-step explanation:
Given that,
Point T is on line segment SU. So,
SU = ST + TU
Putting all the values, we get :
SU = 12 + 3
SU = 15
Hence, the length of SU is 15 units.
Answer:
240 pencils
Step-by-step explanation:
10 (24) = 240
Area of a rectangle is A = L*W.
Here, A = 56 cm^2 (not 56 cm).
= (56 cm^2)=( L )( W ) = (x+2)*(2x-5) = 2x^2 - 5x + 4x - 10
Simplifying, 2x^2 - 5x + 4x - 10 = 56, or 2x^2 - x - 66 = 0.
Solve this using the quadratic formula:
-(-1) plus or minus sqrt ( (-1)^2 - 4(2)(-66) )
x = -------------------------------------------------------------
2(2)
Finish the work: find x. Most likely you will need to check both of the roots. Keep in mind that x will likely be a positive number.
Answer:
The answer is -9
Step-by-step explanation:
So all you have to do is just plug in 5 for x because x=5.
f(5)= -2x+1
f(5)= -2(5)+1
-10+1
f(5)= -9
-2 [9-(x+7)]=-2 [9-x-7]=-18+2x+14=2×=-14+18
2x=4
x=4/2x
x=2