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slavikrds [6]
3 years ago
5

Depending on the day of the week, a border guard searches every nth person coming across the border. Each Tuesday every 7th pers

on is checked. What is the name of this method of sampling?
a. Simple Random Sampling
b. Systematic Random Sampling
Mathematics
1 answer:
ELEN [110]3 years ago
3 0
Systematic Random sampling
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Which inequality represents all the solutions of -5x + 5 > 160 - 10x?
Alexxandr [17]

Answer:

The answer is c.

Step-by-step explanation:

-5x + 5 > 160 - 10x

5x > 155

x > 31

8 0
3 years ago
Read 2 more answers
HELP PLEASE! Thank you
Lostsunrise [7]

Answer:

2000

Step-by-step explanation:

Hello,

A or C means 2 ways

and then a digit means 10 ways 0, 1, 2, 3, 4, 5, 6, 7, 8, 9

so in total we have 2*10*10*10 = 2000 possible codes

Hope this helps

5 0
3 years ago
PLEASE HELP WILL GIVE BRAINLIST PLEASEEEEEEEEEE
Amiraneli [1.4K]

Answer:

I think it would be c 160

Step-by-step explanation:

5 0
3 years ago
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Q13 A gardener needs to buy compost to fill this tub.
REY [17]

Answer:

  5 bags

Step-by-step explanation:

The volume of the tub is the product of its dimensions:

  V = (1.8 m)(0.5 m)(0.25 m) = 0.225 m³

There are 1000 L in 1 m³, so this volume in liters is ...

  (0.225 m³)(1000 L/m³) = 225 L

At 50 L per bag, the gardener needs ...

  (225 L)/(50 L/bag) = 4.5 bags

The gardener probably cannot purchase a partial bag, so must buy more than is needed.

The gardener must buy 5 bags of compost to fill the tub.

8 0
2 years ago
Two forces with magnitudes of 90 and 50 pounds act on an object at angles of 30° and 160°, respectively. Find the direction and
Stels [109]
Force 1, F1 = 90, angle 30°

Force 2, F2 = 50, angle 160°

F1 = 90 cos(30) i + 90 sin (30) j
F2 = 50 cos (160) i + 50 sin (160) j

F1 = 90*0.866 i + 90*0.5 j
F2 = 50*(- 0.940) i + 50*0.342 j

F1 = 77.94 i + 45 j
F2 = -47 i +17.10 j

Resultant force, Fr = F1 + F2

Fr = [77.94 - 47.00] i +[45 +17.10]j = 30.94 i + 62.10 j

Magnitude = √[30.94 ^2 + 62.10^2] = 69.38 pounds

Direction  = arctan[62.10/30.94] = 63.52 °


7 0
3 years ago
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