Answer:
It is the first choice.
Step-by-step explanation:
This is a sequence where
the next term is obtained by adding 6.
first term = -9 + 6(0) = -9
second term = -9 + 6(1) = -3
third term = -9 + 6(2) = 3
4th term = -9 + 6(3) = 9
and 81 = -9 + (6*15).
So the answer is Sigma (-9 + 6n) from n= 0 to n = 15.
First, you need to multiply 20 x 12 ft to find the total feet of the kitchen floor which is 240 ft. Then, since each tile costs $0.99 per square ft. you just have to multiply 0.99 x 240 which is $237.6 Hope I helped! If I did please give brainliest!!
Answer:
40
Step-by-step explanation:
divide by 5 if there is a decimal it is wrong
12.5/5=2.5
62.5/5=12.5
40/5=8
112.5/5=22.5
3x+y=3 is the red line and
6x+2y=-4 is the blue line
I don’t know what descriptions you were given but these two equations are in standard form. They are also parallel to one another and have a negative slope
3x+y=3 in slope form is y=-3x+3
6x+2y=-4 in slope form is y=-3x-2
Hope this helps
Answer:
Using the pmf we can find the individual probabilities like this:
And replacing we got:
Step-by-step explanation:
Previous concepts
Let X the random variable that represent the number of people that will become sereiosly ill in two years. We know that 
The probability mass function for the random variable is given by:
And f(x)=0 for other case.
For this case the value for 
would be:
For this distribution the expected value is the same parameter
On this case we are interested on the probability of having at least two chocolate chips, and using the complement rule we have this:
Using the pmf we can find the individual probabilities like this:
And replacing we got:
