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vagabundo [1.1K]
3 years ago
12

Ben drove 4,212 miles. Larry drove 3,400 miles. Ben drove at a speed of about 55 miles per hour. How many more miles does Ben dr

ive than Larry? help me am 9
Mathematics
1 answer:
tekilochka [14]3 years ago
5 0

Answer:

812 miles

Step-by-step explanation:

the answer is 812 miles

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Please help me! Suppose Sal's total profit on lunch specials for the next month is $1,593. The profit amounts are the same: $2 f
blsea [12.9K]

Answer:

Step-by-step explanation:

This is an incomplete problem. Other data were not given.

Given:

Profit of every sandwich = $2

Profit of every wrap = $3

x = sandwich

y = wrap

Last month:  2x + 3y = 1,470

Next month: 2x + 3y = 1,593

Based on the given equation:

Both still have the same profit. $2 for sandwiches and $3 for wraps.

The only reason why there is a difference in the total amount is the change in the number of sandwich or wrap sold in a given month.

Since, next month's total sale is higher than last month's total sale, it is safe to assume that the sale of sandwich or wrap is higher than last month's sale.

4 0
3 years ago
Two cards are chosen at random from a standard 52-card deck. What is the probability that they are either both hearts or both di
Delvig [45]
With or without replacement?

3 0
3 years ago
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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
Question is in image below
murzikaleks [220]

Answer:

a2+b2=c2

Step-by-step explanation:

10(2)+12(2)=244

6 0
2 years ago
Dan invests £800 into his bank account.
sleet_krkn [62]

Answer:

p=£800

r=5%

t=3years

Step-by-step explanation:

simple interest=ptr/100=£800×5×3/100=£120

4 0
3 years ago
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