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Lady bird [3.3K]
3 years ago
11

(бх -Зу = 6 (2x-y=-5

Mathematics
1 answer:
BabaBlast [244]3 years ago
3 0

Answer:

6-

Step-by-step explanation:

Your answer should be written in paragraph/essay format.

Any sources used should be cited at the bottom of your paper.

All answers should show you have learned something from Unit 9.  Material from other units will not be graded for this assignment.

If you are stuck, you can think about the following topics: textile mills, interchangeable parts, the Lowell System, unions, labor reform, steamboats, railroads, coal, the telegraph, and/or new inventions.

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Find the solution(s) of the following equation.<br> K^2=255
AfilCa [17]

Answer:

k = 15

Step-by-step explanation:

k² = 225

k = √225

k = 15

Thus, K = 15

<u>-TheUnknown</u><u>S</u><u>cientist</u>

6 0
3 years ago
A child is standing at point c and flying a kite located at point a, 25 ft above the ground. as the child lets out more string,
Rus_ich [418]
To solve this problem you must apply the proccedure shown below:

 1. You have that:

 - The <span>kite is located at point 25 ft above the ground.
 - The kite rises to a point b, directly above point a.
 - The angle of elevation changes from 50º to 65º.

2. Therefore, you have:

 25 feet/50°=0.5 feet

 x=(0.5 feet)(65°)
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 3. Then, as you can see, the answer is: 33 feet.</span>
3 0
3 years ago
Probability help!!!!!
nirvana33 [79]

Let A be the event A=\{choosing \;an \;odd \;number\} and B be the vent B=\{choosing \;an \;even \;number\}. Since the intersection of the events A\cap B=\phi, the events A and B are mutually exclusive.

The number is either odd or even. Since P(A)+P(B)=1, the events are mutually exclusive and exhaustive.

Correct choice is "the number is either odd or even".

7 0
4 years ago
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<span>a) Explain how you would carry out a completely randomized experiment for the study
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</span><span>b) Describe an experimental design that would improve the design in (a) by incorporating blocking</span><span>
- The best design would be to block by cholesterol levels (ie, High, Moderately High, Very High)

</span> c) Can the experimental design in (b) be carried out in a double blind manner? 
Yes, everyone in each block randomly assigned to a treatment so volunteers are not aware of the medication they are receiving while administrators do not know what medication they are giving.
6 0
4 years ago
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