R = 2x + 9y [ Given ]
When,
★ Substituting the values in the above equation
=> 13 = 2x + 9 × 3
=> 13 = 2x + 27
=> 13 - 27 = 2x
=> -14 = 2x
=> x = -14/2
=> x = -7
Answer:
Step-by-step explanation:
<h3>#9</h3>
Total charge consists of the cost of the tarpaulin, which is 15x and lay outing cost of Php 150:
Correct choice is c.
<h3>#10</h3>
We are interested in the outcome so the brand of PC is not something to concern us.
<u>Excluding the option II, we have one correct choice:</u>
<h3>#11</h3>
<u>The area based on given dimensions is:</u>
<u>The cost of printing is:</u>
<u>Correct choice is:</u>
- a. 48 square feet; Php 720
Answer: A) The x-intercepts and the zeros are the same value.
Step-by-step explanation:
because when graphing the line goes through the origin and the origin is zero.
16 pints because 1 pint equals 2 cups each so multiply 16 x 2 which equals 32
Answer:
The expected value of this game is -$0.26.
Step-by-step explanation:
Expected value:
Each possible earning/loss multiplied by it's probability.
Probability:
Number of desired outcomes divided by the number of total outcomes.
In this question, the order in which the numbers are chosen is not important. So we use the combinations formula to solve.
Combinations formula:
is the number of different combinations of x objects from a set of n elements, given by the following formula.
Probability of winning:
Desired outcomes:
The 6 correct numbers, so 
Total outcomes:
6 numbers from a set of 21. So
Probability:
Expected value
probability of earning 40,000.
probability of losing 1. So
The expected value of this game is -$0.26.
