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zloy xaker [14]
3 years ago
12

A local university produces a study in which it chose 1000 students to participate the study asked each student to write down th

e number of hours spent studying in one week period which element of expire the design is known to be part if this study
a. blinding
b. replication
c. randomization
Mathematics
1 answer:
IgorLugansk [536]3 years ago
6 0
A. Randomization
The selection is based on random selection
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PLZ HELP ME ASAPPPPP
vovangra [49]

AnsweP is eaqul to Q

Step-by-step explanation:

7 0
3 years ago
Bart used place value and the distributive property to rewrite the expression 6(412). His work is shown below. 6(412) = 6(400 +
egoroff_w [7]

Bart should;

Multiply 6(400), 6(10), and 6(2) ⇒ 2nd

Multiply each addend by 6 ⇒ 4th

Find the sum of (2400 + 60 + 12) ⇒ 5th

Step-by-step explanation:

Let us revise the distributive property

  • a(b + c) = ab + ac
  • a(b + c + d) = ab + ac + ad

Bart used place value and the distributive property to rewrite the

expression 6(412)

His work is shown 6(412) = 6(400 + 10 + 2)

We need to know what Bart should do to find the product

∵ 6(412) = 6(400 + 10 + 2)

- Multiply each number in the bracket by 6 in the right hand side

∴ 6(400 + 10 + 2) = (6)(400) + (6)(10) + 6(2)

∴ 6(400 + 10 + 2) = 2400 + 60 + 12

∴ He should to multiply each addend by 6 and then find the sum of

  (2400 + 60 + 12)

Bart should;

Multiply 6(400), 6(10), and 6(2)

Multiply each addend by 6

Find the sum of (2400 + 60 + 12)

Learn more:

You can learn more about the place value in brainly.com/question/120752

#LearnwithBrainly

5 0
3 years ago
Read 2 more answers
What is the value of (-4) (32)(1/4)?
Naddika [18.5K]

Answer:

it's −32

Step-by-step explanation:

my bad if u get it wrong or anything

6 0
3 years ago
How can I prove that
Citrus2011 [14]

I can prove by being smart then that if you tell me all the ansers

6 0
4 years ago
Josh borrowed $50,000 from the bank to buy a new truck. The bank is going to charge him an interest rate of 6.9%. If his loan la
Neko [114]

Answer:

<em>The simple interest is $11,212.5 and the equation to determine Josh's simple interest is I = PRT/100</em>

Step-by-step explanation:

The formula for calculating simple interest is expressed as;

SI = Principal * rate * time/100

SI = 50,000 * 6.9*39/100*12

SI = 500*6.9*39/12

SI = 134,550/12

SI = 11,212.5

<em>Hence the simple interest is $11,212.5 and the equation to determine Josh's simple interest is I = PRT/100</em>

P is the amount borrowed

R is the interest rate

T is the time in years

8 0
3 years ago
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