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KengaRu [80]
3 years ago
6

It is called a _____ when each person in the population has an equal chance of being selected.random sampleself-selected sampleb

iased sampleconvenience sample
Mathematics
1 answer:
Georgia [21]3 years ago
5 0
It's a random sample
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12.5*<img src="https://tex.z-dn.net/?f=12.5%20%2A17.9%3D" id="TexFormula1" title="12.5 *17.9=" alt="12.5 *17.9=" align="absmiddl
kkurt [141]
The answer is 223.75 because you multiply 12.5 and 17.9
5 0
3 years ago
The base of a triangle is one third of its height. If the area of the triangle is 24 square inches, what are the base and height
Burka [1]

Answer:

D. 4in, 12in

Step-by-step explanation:

Area of triangle  = 24in²

Unknown:

Base and height of the triangle = ?

Solution:

The area of a triangle  = \frac{1}{2} x base x height

   From the problem,

        base  = \frac{1}{3} x height

let the base  = b

            height  = h

         b =  \frac{1}{3}h

          h = 3b

Input into the formula of area;

       24  =  \frac{1}{2} x b x 3b

   Mulitply through by 2;

       48 = 3b²

         b² = 16

         b = √16 = 4

So, h = 3b= 3 x 4 = 12in

6 0
3 years ago
a model car has a scale of 3 cm : 2 m. The length of the actual hood of the car is 1 m. What is the length of the model?
nadezda [96]
Yes
that it jusf de aima noi neo curh 
3 0
3 years ago
Solve each calculation. Be sure to report your answer with the correct number of decimal places. 7.365 ms 0.250 ms + 10.3 ms ms
Darya [45]

Answer:

1.17.9

2. 120.61

Step-by-step explanation:

3 0
3 years ago
Convert the number 243FIVE to base ten
Ipatiy [6.2K]

Step-by-step explanation:

ok that is the answer bro

8 0
2 years ago
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