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lukranit [14]
2 years ago
6

The table shows how many hours Sara spent at several activities one Saturday.

Mathematics
1 answer:
Aleksandr-060686 [28]2 years ago
3 0

Answer:

Its2 for every 3

Step-by-step explanation:

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Last year at a certain high school, there were 60 boys on the honor roll and 112 girls on the honor roll. This year, the number
blsea [12.9K]

Answer:

21.5%

Step-by-step explanation:

60 and 112 repsectivly

60x(1.15) + 112(1.25)

69 (hehe nice) + 140

so 209 total honour roles compared to 172 last year

209/172 = 1.215116

subtract 1

.215116

multiply by 100

21.5116%

21.5%

- Gage Millar, Algebra 2 Tutor

4 0
3 years ago
Consider the universal relation r = {a, b, c, d, e, f, g, h, i, j} and the set of functional dependencies f = { {a, b } → {c}, {
nekit [7.7K]

Answer:

relation of FDs are {a, b, d, h}. From these all but {h}

seem plausibly part of keys. Calculating the closures of likely candidates gives:

{a, b} + = {a b, c, i}

{b, d} + = {b, d, e, f}

{a, d} + = {a, d, g, h, i, j}

{a, b, d} + = {a, b, c, d, e, f, g, h, i, j}  

decompose r into 2nf and then 3nf relations shown in attachment.                    

Step- by-Step Explanation

Explanation is given in the attachment.

8 0
3 years ago
NEED HELP IM GIVIN BRAINLIEST AGAIN!!
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Answer: 41.58$

Step-by-step explanation:

5 0
2 years ago
Jack had 3 bags of golf balls with b balls in each bag; then his friend gave him 6 more golf balls. How many golf balls does Jac
earnstyle [38]
Answer= (3 x b)+6

Because you multiply to find the total of the golf balls. Then you'll have to add 6.

Hopefully this helped!
3 0
2 years ago
Read 2 more answers
What is (2n+2n)-(3n-4n)
Yakvenalex [24]

Answer:

2n^{2} +2n

INSERT

Step-by-step explanation:first you want to move the negative which is negative 1 into the set of parenthesis and then Foil the two parenthesis together and the combine like terms

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3 years ago
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