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jekas [21]
3 years ago
15

the graph of a line has a slope of -2/3 and a y intercept of (0,2). rewrite the equation in standard for (Ax+By=C) with a positi

ve term. A,B, and C must all be intergers. what is the answer?
Mathematics
1 answer:
sergiy2304 [10]3 years ago
8 0

Answer:

2x + 3y = 6

Step-by-step explanation:

obtain the equation in slope- intercept form

y = mx + c ( m is the slope and c the y-intercept )

here m = - \frac{2}{3} and c = 2

y = - \frac{2}{3} x + 2 ← in slope-intercept form

multiply all terms by 3 to eliminate the fraction

3y = - 2x + 6 ( add 2x to both sides )

2x + 3y = 6 ← in standard form


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I’m confused on math ( combining like terms ) ?
maks197457 [2]

Answer:combining like terms is technically putting values that have the same variable (letter) Or numbers together to make a more simplified equation

Step-by-step explanation:

4 0
3 years ago
Identify which statement about the mean of a discrete random variable is not true or state that they are all true.Choose the cor
pashok25 [27]

Answer:

A, C are true .  B is not true.

Step-by-step explanation:

Mean of a discrete random variable can be interpreted as the average outcome if the experiment is repeated many times. Expected value or average of the distribution is analogous to mean of the distribution.

The mean can be found using summation from nothing to nothing x times Upper P (x) , i.e ∑x•P(x).

Example : If two outcomes 100 & 50 occur with probabilities 0.5 each. Expected value (Average) (Mean) : ∑x•P(x) = (0.5)(100) + (0.5)(50) = 50 + 25 = 75

The mean may not be a possible value of the random variable.

Example : Mean of possible no.s on a die = ( 1 + 2 + 3 + 4 + 5 + 6 ) / 6 = 21/6 = 3.5, which is not a possible value of the random variable 'no. on a die'

4 0
3 years ago
A four digit number (with no repetitions) is to be formed from the set of numbers {0,1,2,3,4,5,6,7}. Find the probability that t
QveST [7]
Even # --------- if it ends with 0, # of ways = 6*5*4 = 120 if not, 3 ways for ending digit, 5 ways for 1st digit, 5*4 for middle digits = 300 
so total ways = 420 
odd # --------- 4 ways of ending digit, 5 ways for 1st digit, 5*4 for middle digits = 400 ways 
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5 0
3 years ago
A box contains 81 coins, only dimes and nickels. The amount of money in the box is $5.30. How many dimes and how many nickels ar
Ksivusya [100]

Answer:

  • 25 dimes
  • 56 nickels

Step-by-step explanation:

Let d represent the number of dimes. Then 81-d is the number of nickels and the total value in cents is ...

  10d +5(81-d) = 530

  5d +405 = 530 . . . eliminate parentheses

  d +81 = 106 . . . . . divide by 5

  d = 25 . . . . . . . . . subtract 81; number of dimes

  81 -d = 81 -25 = 56 . . . . . number of nickels

There are 25 dimes and 56 nickels in the box.

_____

<em>Comment on the method of solution</em>

It usually works well to let the variable represent the amount of the highest-value contributor (dimes). This keeps the numbers positive as the solution progresses.

5 0
3 years ago
If $1,000 is invested at 16% interest, compounded continuously, for five years,
arlik [135]

Answer:

2,225.54

Step-by-step explanation:

I am not sure if I am correct or not but it is either the first or second one.

6 0
3 years ago
Read 2 more answers
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