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sattari [20]
3 years ago
13

A chord in a circle is 18 cm long and is 5 cm from the center of the circle. How long is the radius of the circle

Mathematics
1 answer:
Veseljchak [2.6K]3 years ago
5 0

2, just use pemdas.

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The human resource department at a certain company wants to conduct a survey regarding worker benefits. The department has an al
Mama L [17]

Answer:

Explained below.

Step-by-step explanation:

The human resource department at a certain company wants to conduct a survey regarding worker morale. The department has an alphabetical list of all 4,502 employees at the company and wants to conduct a systematic sample of size 50.

Systematic sampling is a kind of probability sampling method in which individuals from a larger population are nominated according to a random initial point and a static, periodic interval.

(a)

A sample of size 50.

Then the value of <em>k</em> will be: k=\frac{4502}{50}=90.04\approx 50

Thus, the value of <em>k</em> is 90.

(b)

Label the employees from 1 to 4502.

And select every 90th employee.

So, the individuals who will be administered the survey are:

90th, 180th, 270th,...

7 0
3 years ago
5+2(w-6) how do i rewrite as addition and solve?
Firdavs [7]

Answer:

2w - 7

Step-by-step explanation:

1) Expand by distributing terms.

5 + 2w - 12

2) Collect like terms.

2w + (5 - 12)

3) Simplify.

2w - 7

<em><u>Therefor</u></em><em><u>,</u></em><em><u> </u></em><em><u>the</u></em><em><u> </u></em><em><u>answer</u></em><em><u> </u></em><em><u>is</u></em><em><u> </u></em><em><u>2w</u></em><em><u> </u></em><em><u>-</u></em><em><u> </u></em><em><u>7</u></em><em><u>.</u></em>

7 0
2 years ago
Help i dont know what to do
Rashid [163]

Answer:

what do you need help with        

Step-by-step explanation:

3 0
2 years ago
Help with both questions please
Igoryamba
For the first question the answer is the second option.
For the second question the answer is the first option.

Hope I didn't mess up for your sake
5 0
3 years ago
Read 2 more answers
Find the inverse of (1/3y)-7 Please show work!
Pani-rosa [81]

Answer:

Step-by-step explanation:

if additive inverse then

(1/3y)+7

if multiplicative inverse then

3y-7

if both then

3y+7

if in this way

f(x)=(1/3x)-7

f(-x)=(-1/3)-7

7 0
3 years ago
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