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givi [52]
3 years ago
10

Solve: 2cos(x) + sqrt(2) = 0 for 0 <= x <= 2pi

Mathematics
1 answer:
frez [133]3 years ago
5 0

Answer: B and C

Step-by-step explanation:

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A submarine that is 245 feet below sea level descends 83 feet and then ascends 103 feet. What is the location of the submarine c
barxatty [35]
The starting number is 245.So it’s already pretty deep in the water,then it goes down 83 feet MORE.so that’s 245+83=328 feet. Then the submarine goes UP 103 feet from that point,so 328-103=225 feet,so its closer to the surface than at the beginning(245ft)
4 0
4 years ago
4. Using the given formula below, identify the common ratio:
Alex787 [66]

Answer:

The Common ratio should be 2.5

Step-by-step explanation:

as the formula goes, the first number in a sequence is multiplied by the common ratio, the amount of number space in between two numbers in a sequence, in this case 2.5 in order to get the next number. Hope this helps!

7 0
3 years ago
Read 2 more answers
In a survey of 300 house wires. It was discovered
ruslelena [56]

Answer:

46 housewives read all three magazines.

Step-by-step explanation:

Given:

        n(A) = 150

        n(B) = 200

        n(C) = 156

        n(A∩B) = 48

        n(B∩C) = 60

        n(A∩C) = 52

         n(A∪B∪C) = 300

so we know the relation as:

  n(A∪B∪C) = n(A) + n(B) + n(C) - n(A∩B) - n(B∩C) - n(A∩C) + n(A∩B∩C)

∴ n(A∩B∩C) = n(A) + n(B) + n(C) - n(A∩B) - n(B∩C) - n(A∩C)  - n(A∪B∪C)

                    = 150 + 200+ 156 - 48 - 60 - 52 - 300

                   = 46

Hence the number of housewives that had read all three magazine is 46.

8 0
3 years ago
Can i get help please i don't know this
scoundrel [369]
I think it means you have to find the area of both shapes and then compare them to see if Liam is correct if he is not correct say why. Hope this helps :)
3 0
4 years ago
A laptop computer originally priced at ​$1,000 now sells for ​$1,300. What is the percent of​ increase?
Vitek1552 [10]

Answer:

30% :))))))))))))))))))))))))))))

4 0
2 years ago
Read 2 more answers
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