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swat32
3 years ago
9

Identify which type of sampling is used. The name of each contestant is written on a separate card, the cards are placed in a ba

g, and three names are picked from the bag.
A) Stratified
B) Systematic
C) Convenience
D) Cluster
E) Simple Random
Mathematics
1 answer:
Alexus [3.1K]3 years ago
7 0

Answer: E simple random

Step-by-step explanation:

A simple random sample in a statistics is a subset of individuals chosen from a larger set. Each individual is chosen randomly and entirely by chance, such that each individual has the same probability

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5000 principal earning 4% compounded annually, 7 years
almond37 [142]

Answer:

Step-by-step explanation:

Basically, you want to know interest. I = prt is the formula. 'I' will be left blank b/c that's unknown. P is principal, 5000. R is rate, 4%, or 0.04 when turned into a decimal. T is time, 7 years. So now when using the formula, it will all become I = 5000(0.04)(7). What that means is you first multiply 5,000 by 0.04, getting 200. Then when you multiply 200 by 7, it's 1,400, which will leave you with I = 1,400. Interest is 1,400.

4 0
2 years ago
Factor the expression completely. 2-12x
Nikitich [7]

Answer:

2(1 - 6x)

Step-by-step explanation:

2-12x

Common factor: 2

Factored equation:

2(1 - 6x)

7 0
2 years ago
The number underneath the square root symbol
Artyom0805 [142]

Answer: Radicand

Step-by-step explanation:

Hi, the number underneath the square root symbol is called the radicand.

In mathematics, a square root is represented with a radical symbol (√), and a number or expression underneath it that is called the radicand.

For example:

√9

In this expression the radicand is the number 9.

Feel free to ask for more if needed or if you did not understand something.

7 0
3 years ago
Look at the rectangle and the square
Komok [63]

Answer:

NO. Ada is not correct.

Step-by-step explanation:

Using Pythagorean Theorem, find the length of the diagonal of the rectangle and the square, respectively.

✔️Diagonal of the Rectangle:

a^2 + b^2 = c^2

Where,

a = 8 in.

b = 16 in.

c = hypotenuse (longest side of a right ∆)

Plug in the values into the equation

8^2 + 16^2 = c^2

64 + 256 = c^2

320 = c^2

Take the square root of both sides

\sqrt{320} = \sqrt{c^2}

17.9 = c^2 (nearest tenth)

Length of diagonal SQ = 17.9 in

✔️Diagonal of the Rectangle:

a^2 + b^2 = c^2

Where,

a = 8 in.

b = 8 in.

c = hypotenuse (longest side of a right ∆)

Plug in the values into the equation

8^2 + 8^2 = c^2

64 + 64 = c^2

128 = c^2

Take the square root of both sides

\sqrt{128} = \sqrt{c^2}

11.3 = c^2 (nearest tenth)

Length of diagonal OM = 11.3 in.

SQ is not two times the length of OM.

Therefore, Ada is not correct.

4 0
3 years ago
Read 2 more answers
A sign next to a roller coaster at an amusement park says, “You must be at least 60 inches tall to ride.” Noah is happy to know
gtnhenbr [62]

Answer:

x>60 or x=60

Step-by-step explanation:

The must be 60 or more inches.

8 0
3 years ago
Read 2 more answers
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