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ANEK [815]
4 years ago
8

Help me 20 points FOR HELPING

Mathematics
1 answer:
kramer4 years ago
3 0

Answer:

                              Twins in Family History           Twins not in Family History

Twins Born                          0.06                                            0.03

Single child born                 0.94                                            0.97

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She works as a waitress at a local Emerald Monday restaurant. Her regular hourly wage is $15.50. She regularly works 40 hours pe
lina2011 [118]

Answer:

Her regular weekly pay is $62 and her annual salary is $3100.

Step-by-step explanation:

Given that her hourly wage=$15.50 / hour

As she works 40 hours per week, so her weekly pay = 15.50 x 40 = $62/ week.

If she works 50 weeks each year, so her yearly pay = 62x50=$3100 /year.

Hence, her regular weekly pay is $62 and her annual salary is $3100.

8 0
3 years ago
The length of a rectangle picture frame is 2 centimeters more than twice it’s width. If the area of the frame is 364 square cent
sergeinik [125]

Answer:

Length:28 cm

Width: 13 cm

Step-by-step explanation:

Let

x ---> the length of a rectangle picture frame

y ---> the width of a rectangle picture frame

we know that

The area of a rectangle picture frame is equal to

A=xy

we have

A=364\ cm^2

so

364=xy ----> equation A

The length of a rectangle picture frame is 2 centimeters more than twice it’s width

so

x=2y+2 ---> equation B

Solve the system by graphing

Remember that the solution is the intersection point both graphs

The solution is the point (28,13)

see the attached figure

therefore

Length:28 cm

Width: 13 cm

5 0
3 years ago
Sasha is planning to create a garden with area 30 m2. She could use a
son4ous [18]

Answer:

Circle requires ≈ 20 m of edging

Step-by-step explanation:

A = πR²

R = √(A/π)

C = 2πR = 2π√(A/π)

C = 2π√(30/π) = 19.41625... ≈ 20 m

square needs ≈ 22 m of edging

equilateral triangle needs ≈ 25 m of edging

5 0
3 years ago
Answer these five journal problems with the same 3 questions for each problem.
vichka [17]

Answer:

Step-by-step explanation:

8 0
3 years ago
____________ is preliminary research conducted to increase the understanding of a concept, to clarify the exact nature of the pr
Otrada [13]

Answer:

Exploratory Research

Step-by-step explanation:

Exploratory Research is a preliminary research method that  implement various research methods to increase the understanding of a concept, to clarify the exact nature of the problem to be solved, or to identify important variables to be studied.  

For example, if i'm making analysis on the quality of customer care service at  particular firm, let's say MTN GlobalCom. Exploratory research method will be greatly advantageous if being used for such analysis because of the ways it is used for data collection and selection of variables. It will assist me to determine the problems the customer care service are facing with their clients and how to tackle them.

4 0
3 years ago
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