Answer:
LN = 5x + 9
Step-by-step explanation:
LN = x + 9 + 4x
LN = 5x + 9
8(3)+3(5)
24+15
$39
All you do is substitute the numbers in the expression.
That's a right triangle
remember, if the legs of a right triangle measure a and b and the hypootnuse is c then a²+b²=c²
so
hypotnuse is longest side, the one oposite the right angle
in this case, it is 5
one leg is 4
and the other one is red, let's call it x
so
x²+4²=5²
x²+16=25
minus 16 both sides
x²=9
sqrt both sides
x=3
the length of the red vertical edge is 3cm
9514 1404 393
Answer:
26, 37, 40, 48
Step-by-step explanation:
Whole numbers between 20 and 50 will have 10s digits in the range 2–5.
When 4 is added to these numbers, we get ...
2+4 = 6
3+4 = 7
4+4 = 8
5+4 = 9
When 4 is subtracted from these numbers, we get ...
2-4 = -2
3 -4 = -1
4 -4 = 0
5 -4 = 1
__
The numbers we can make using the given 10s digits and their corresponding 1s digit(s) are ...
26, 37, 40, 48
__
We note that any number with a 10s digit of 5 and a 1s digit other than 0 will be out of range.
Answer: 18
Explanation: Divide the diameter by 2.