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boyakko [2]
2 years ago
6

Simplify: −3x(4x − 5xy + 8y)

Mathematics
1 answer:
777dan777 [17]2 years ago
3 0

Answer:

-12x - 9xy

Step-by-step explanation:

-3x(4x - 5xy + 8y)

distribute

-12x + <u>15xy - 24xy</u>

combine like terms

-12x - 9xy

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Jerry makes $40,000 a year working at a nearby factory. He gets two weeks paid vacation per year, plus five other paid holidays.
JulijaS [17]

Answer:

Vacation pays are not included in salaries. Therefore, Jerry's calculation is wrong.

Step-by-step explanation:

Given is :

Jerry makes $40,000 a year working at a nearby factory.

He gets two weeks paid vacation per year, plus five other paid holidays.

So total paid holidays become = 14+5=19 days

Subtracting 19 from 365 days and assuming that Jerry works for 365 days a year.

We get = 365-19=346 days

So, his per day salary will be = \frac{40000}{346}= 115.60

Vacation pays are not included in salaries. Therefore, Jerry's calculation is wrong.

4 0
2 years ago
Read 2 more answers
Suppose that a person's birthday is a uniformly random choice from the 365 days of a year (leap years are ignored), and one pers
maxonik [38]
P ( A ∩ B ∩ C) = 1/365
P(A) = 1/365, P(B)= 1/365, P(C) = 365
If events A,B and C are independed then P (A ∩ B ∩ C) = P (A) P(B) P(C) must be true,
From the probabilities we have 
1/365≠ 1/365 * 1/365 * 1/365
Thus, events A,B, C are not independent.

3 0
1 year ago
5x+15y=75 in standard form
Darya [45]
It would be x+3y=15. Best of luck
3 0
2 years ago
Read 2 more answers
Which expression can be used to convert 100 USD to Japanese yen?
katen-ka-za [31]

Since,

1 USD = 113.83 Japanese Yen

100 USD = 100 x 113.83 Japanese Yen

100 USD = 11,383.00 Japanese Yen

5 0
2 years ago
Read 2 more answers
A truck rental company charges $50 plus $10 per hour. Identify a function that represents the total charge for renting a truck f
Reil [10]

Answer:

  c(h) = 50 +10h

  c(4) = 90 . . . . . it costs $90 to rent the truck for 4 hours

Step-by-step explanation:

The problem statement tells you the total charge is the sum of $50 and a charge of $10 per hour. That is, for h hours, the total charge is ...

  c = 50 + 10h

In functional form, this is ...

  c(h) = 50 +10h . . . . . . total charger for a rental of h hours

__

The function value with an input of 4 is ...

  c(4) = 50 +10·4

  c(4) = 90

Since the input is the number of hours of rental, and the function value is the total charge, this represents the total charge for a rental of 4 hours.

4 0
2 years ago
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