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Vlad1618 [11]
3 years ago
13

Help asappp

Mathematics
2 answers:
kakasveta [241]3 years ago
8 0

Last one: Use employee identification numbers to randomly select 200 employees.

It's the most random.

horrorfan [7]3 years ago
5 0

Answer:

Use employee identification numbers to randomly select 200 employees.

Step-by-step explanation:

In order to choose 200 random people for the survey, it shall be purely random and unbiased.

If we use employee identification numbers to randomly select 200 employees it would be completely random and an unbiased choice.

For all the other options, none of them are purely random.

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What is the value of (–4)–3?
son4ous [18]
Here you go. Good luck!

7 0
3 years ago
75% of the children at Fisher Elementary walk to school. If there are 200 students at Fisher Elementary, how many walk to school
BlackZzzverrR [31]

Answer: 150 students walk to school

Step-by-step explanation: 75%=0.75

200 multiplied by 0.75

 200×0.75=150 students

            Or

75%=3/4

3/4 of the children walk to school

3/4×200=3/4×200/1=150

4 0
3 years ago
10+2b-4+5b <br> = ( )b+( ) help please!!!
bagirrra123 [75]

The solution is (7)b+(6)

Hope it helps!

3 0
3 years ago
Read 2 more answers
Using the technique in the model above, find the missing sides in this 30°-60°-90° triangle. Long = 3 Hypotenuse =
VMariaS [17]
Alright, if I have this right, first of all, your provided with only one side of the triangle, the long leg. You need to calculate the short leg, and then the hypotenuse for it to all be complete
1. Find the short leg's measurement by dividing the length of the long leg by the square root of 3 (use a calc.)
2. 3/ the square root of 3 = to 1.73
3. The length of the short leg, supposedly, is 1.73 (roughly, was rounded)
4. Find the hypotenuse by taking the length of the short leg times 2
5. 1.73*2=3.46, (roughly, was rounded)
6. Apply the measurements to the figure.
7.  The long leg is equal to 3, the hypotenuse is equal to 3.46, and the short leg is equal to 1.73
~Hope this helps!
(Would appreciate brainliest :p)

6 0
3 years ago
Please help!!!! will mark brainlest
fomenos

Answer: B. 84 in²

Step-by-step explanation:

Divide the area into two regions: a rectangle and a trapezoid (depicted in the attached photo).

Find the area of the rectangle:

Area of a rectangle=length*width

Area of rectangle=(5 in)( 10 in)

Area of rectangle=50 in²

Next, calculate the area of the trapezoid:

Area of trapezoid=\frac{h(b_{1} +b_{2}) }{2}

h=10 in-6 in

h=4 in

b_{1} =15 in

b_{2} =15 in-5 in

b_{2} =10 in

Area of trapezoid=\frac{4in(7 in+10in)}{2}

Area of trapezoid=\frac{4(17in^{2})  }{2}

Area of trapezoid=\frac{68in^{2} }{2}

Area of trapezoid=34in^{2}

Add the area of the trapezoid to the area of the rectangle to find the total area: 50 in²+34 in²=84 in²

3 0
3 years ago
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