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ValentinkaMS [17]
3 years ago
15

200 to 170 what is the percentage discount offered

Mathematics
1 answer:
wel3 years ago
6 0

Answer:

85%

Step-by-step explanation:

Convert fraction (ratio) 170 / 200 Answer: 85%

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How can you tell how many solutions a linear equation will have by looking at the equation?
Solnce55 [7]

Answer:

A system of two equations can be classified as follows

Step-by-step explanation:

If the slopes are the same but the y-intercepts are different, the system has no solution. If the slopes are different, the system has one solution. If the slopes are the same and the y-intercepts are the same, the system has infinitely many solutions.

7 0
2 years ago
Let R(ABCDE) be a relation in Boyce-Codd Normal Form (BCNF). If AC is the only key for R, identify each of these FD's from the f
Goshia [24]

Given that R(ABCDE) is in Boyce-Codd normal form.

And AB is the only key for R.

Definition

A relational nontrivial Schema R is in BCNF if FD (X-A) holds in R, Super key of R. whenever then X is

a

Given that AB is the only key for R.

ABC E (Yes).

check if ABC is a Super key. AB is a key, ABC is A B C E is in BONE a super key.

2) ACE B

(NO). no Check if ACE As there is ACE is not a Super key? AB in Super key. ACE.

ACE B

is

Boyce-Codd Normal Form not in BENE (NO)

3) ACDE → B           (NO)

check if is a super key. ACDE

As ACDE there is not any AB Tn ACDE. a super key.

ACDEB is not in BCNF.

4) BS → C → (NO)

As there is no AB in BC ~. B(→ not in BCNF

BC is not a super key.

5) ABDE (Yes).

Since AB is a key.

ABO TS a super key.

.. ABDE → E is in BCNF

Let R(ABCDE) be a relation in Boyce-Codd Normal Form (BCNF). If AB is the only key for R, identify each of these FDs from the following list. Answer Yes or No and explain your answer to receive points.

1. ABC E

2. ACE B

3. ACDE B

4. BC C

5. ABD E

Learn more about Boyce-Codd Normal Form at

brainly.com/question/14299832

#SPJ4

6 0
1 year ago
Find f. f ''(x) = −2 + 24x − 12x2, f(0) = 4, f '(0) = 18
max2010maxim [7]

good day ^-^ ///////////////

6 0
3 years ago
5^b/5^a=5^7. what is the value of a and b
Molodets [167]
I dunno I’m not smart
8 0
2 years ago
Read 2 more answers
5/3 - 1/6 and i need it now because im in school now
Vlad [161]

Answer:

9/6 or 1 1/2

Step-by-step explanation:

Make the denominators the same...

<u>5</u> x2     ----> 10/6 -------> 10/6 -1/6 = 9/6

3 x2

5 0
2 years ago
Read 2 more answers
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