✓ 1234Graph the set {xx2-1) on the number line.Then, write the set using interval notation.-7-6-5-4-3-2-11 2 3{x|x ≥-1}=045 6(0,
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1 answer:
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Answer:
The perimeter of the playground is 65 metres
Step-by-step explanation:
Questions like this requires attachment; See attachment for diagram.
From the diagram, we have the following parameters
Required
Calculate the parameter of the actual diagram
First, the actual length and width has to be calculated;
Given that the scale drawing is 1:500
Now, the perimeter can be calculated;
However, the question requires answer to be in meters
If 100 cm = 1 m, then
Hence, the perimeter of the playground is 65 metres
Answer:
-19 - Integer
-5 - Integer
12 - Whole Number
14.25 - Rational Numbers
Step-by-step explanation:
Whole numbers = {0, 1 , 2, 3, . . . }
They are the the natural numbers and zero.
Integers: {. . . , -3, -2, -1, 0 , 1, 2, 3, . . . }
Rational Numbers: These are the numbers that can be written in the form of where
.
Note that All Whole numbers are integers.
All Integers are in turn Rational Numbers. (When q = 1, we get all the integers.).
In the given problem, we have: -19 Negative number. It should be an Integer.
Similarly -5 is also an integer.
12 is a whole number. Note that it is also an integer. Consequently, a rational number.
And 14.25 = is in the form of
. So it is a rational number.
Answer:
Radius, r = 61 cm
Step-by-step explanation:
According to the attached figure, we have,
Length of chord, AB = 22 cm
Such that, AP = PB = 11 cm
OP = 60 cm
It is required to find the radius of the circle. We know that radius of a circle is perpendicular to chord. So, APO forms a right angled triangle. Using Pythagoras theorem to find the radius of circle. Let it is r. So,
So, the radius of the circle is 61 cm.
