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Talja [164]
3 years ago
7

74 students were chosen from a local university to participate in a study. Every student attending the university had an equal p

ossibility of being chosen. Which sampling method was used?
voluntary response
random selection
census
sample
Mathematics
1 answer:
a_sh-v [17]3 years ago
4 0
My answer is Random selection
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The relative growth rate for a certain type of bacteria population is 85% per hour. A small culture has formed and in just 2 hou
harkovskaia [24]
Let us assume the initial number of bacteria in the culture = xAfter 1 hour,The number of bacteria = 185x/100                                      = 1.85xAfter 2 hours,The number of bacteria = (185 * 1.85x)/100                                       = 3.42xSo3.42x = 12500x = 12500/3.42   = 3654.97   = 3655From the above deduction, we can conclude that the initial number of bacteria in the culture is 3655.
8 0
3 years ago
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A student measures the mass of a lab sample as 2.7 grams. What is the percent error, given that the correct mass is 2.58 grams?
bulgar [2K]

Answer: 4.65%

Step-by-step explanation:

6 0
2 years ago
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Can someone answer this please? I’m in a rush.
gayaneshka [121]
(-9)+(-6)+(-4)+(-1) is the expression and (-20) is the sum
3 0
3 years ago
I NEED HELP PLEASE! :)
Ilia_Sergeevich [38]

Answer:

ΔVUW ≅ ΔXYW

Step-by-step explanation:

These triangles are congruent by Angle-Side-Angle (ASA) Theorem. This is because they both share two corresponding congruent angles, being Angle U and Angle Y, and Angle VUW and Angle XYW (they're vertical angles, meaning they're congruent).

They also share a corresponding congruent side, being Side UW and Side YW. You can tell because of the congruent dash marks on the sides, that have already been given to you.

6 0
3 years ago
Demitrius deposits 60% of his paycheck into his savings account. What was the amount of his paycheck?
Anna007 [38]
It is shown in the Savings Deposit Slip that <span>Demitrius deposited 41.67$.
It is also given that this deposit is 60% of his pay check.

Let the original amount of his paycheck be y, therefore:
60% x y = 41.67
(60/100) x y = 41.67
0.6 y = 41.67
y = 69.45$

Based on this, the amount of his paycheck was </span>69.45$.
4 0
3 years ago
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