Answer:
63
Step-by-step explanation:
-7 * -9 = 63
negative times negative is always positive:)
<span>1) if 2 times the wind speed is increased by 2, the wind speed is still less
than 46 km/h.
=> 2x + 2 < 46
2) Twice the wind speed minus 27 is greater than 11 km/h.
=> 2x - 27 > 11
Part A: Create a compound inequality to represent the wind speed range.
(3 points)
from 2x + 2 < 46
=> 2x < 44
=> x < 22
from 2x - 27 > 11
=> 2x > 11 + 27
=> 2x > 38
=> x > 19
The set of inequalities is
2x + 2 <46
2x - 27 > 11
The solution is x < 22 and x > 19, which is:
19 < x < 22 <----- answer
Part B: Can the wind speed in this town be 20 km/h? Justify
your answer by solving the inequalities in Part A. (3 points)
Yes, the wind speed can be 20 km/h, because the solution of the inequality is the range (19,22).
Part C:
The average wind speed in another town is 23 km/h, but the actual wind
speed is within 4 km/h of the average. Write and solve an inequality to
find the range of wind speed in this town.
x ≥ 23 - 4 => x ≥ 19
x ≤ 23 + 4=> x ≤ 27
=> 19 ≤ x ≤ 27
=> [19,27]
</span>
Answer:
28,000
Step-by-step explanation:
multiply 7 cars with 4,000
<h3>
Answer: 14</h3>
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Work Shown:
The geometric mean of two numbers has us do two steps in this order
- Multiply the values
- Apply the square root
The geometric mean can be applied to more than two values. Regardless of how many values you have, you always multiply them out. However, the number of values will tell you what kind of root you'll take (eg: 3 values leads to a cube root; 4 values means you'll take a fourth root, etc).
Subpart a is the subpart of the 45 CFR
46 which describes the required protections for all human subjects.
The application of the federal
policy regarding Human Subjects Protection to 17 Federal agencies and
offices is called the Common Rule. Federal agencies that did not sign the
agreement (e.g., Department of Labor, etc.) are exempted from the
policy. The Common Rule’s main elements include the following:
<span>1.
</span>research institutions’
requirements for assuring compliance
<span>2.
</span>obtaining and
documenting informed consent requirements for researchers'
<span>3.
</span>Institutional Review
Board (IRB) membership, operations, function, record keeping, and review of
research requirements
The specific
vulnerable research subjects’ additional protections are included in the Common
Rule.
<span>Additional protections for pregnant women, in
vitro fertilization, and fetuses is provided in subpart B.
Additional protections for prisoners is contained in subpart C.</span>
<span>
The same for children is contained in subpart D.</span>
