Rational are number that dont repeat and you can make it into a fraction
irrational are numbers that go on forever and never stop
Answer:
5.3 or 28
Step-by-step explanation:
+
=
36+=64
64-36=28
=5.29 or 5.3
Answer:
Below in bold
Step-by-step explanation:
The sequence is:
3, x, y, 18
If this is an A P then
x - 3 = y - x
2x - y = 3 (A) and
y - x = 18 - y
2y - x = 18 (B)
Multiply (A) by 2:
4x - 2y = 6 (C)
Adding B and C:
3x = 24
x = 8.
and
2y - 8 = 18
2y = 26
y = 13.
So x = 8 and y = 13.
b) ar + ar^2 = 6ar^3 where a = first term and r = common ratio
Divide by a:
r + r^2 = 6r^3
6r^3 - r^2 - r = 0
r(6r^2 - r - 1) = 0
r(3r + 1)(2r - 1) = 0
So the 2 possible values of r
= -1/3 and 1/2.
i) The common ratio is positive so it must be 1/2.
Second term ar = 8
1/2 a = 8
a = 16.
So the first 6 terms are:
16, 8, 4, 2, 1, 1/2.
Answer:
4,4 is the distance
Step-by-step explanation:
cause its 4 squares away for both
Answer:
11 meters is her approximate reaction distance.
Step-by-step explanation:
Speed of the car of Mindy = 32 mile/hour = 
1 mile = 1609.34 m
1 hour = 3600 seconds
Duration for her reaction last after student runs into street in front of her = 
Distance covered three -quarters of a second = d
d = 10.73 m ≈ 11 m
11 meters is her approximate reaction distance.
