9514 1404 393
Answer:
9d +1 = 23.5
Step-by-step explanation:
=Simplifying, we have ...
2d +4d -12 = 3
6d = 15
d = 15/6 = 5/2
Then 9d+1 is ...
9(5/2) +1 = 45/2 +1 = 47/2
9d +1 = 23.5
Answer:
The cost of one sandwich is $15 and the cost of one salad is $5
Step-by-step explanation:
<u><em>The question is</em></u>
Find out the cost of one sandwich and the cost of one salad
Let
x ----> the cost of one sandwich
y ---> the cost of one salad
we know that
-----> equation A
-----> equation B
Solve the system by graphing
The solution is the intersection point both graphs
using a graphing tool
the solution is the point (15,5)
see the attached figure
therefore
The cost of one sandwich is $15 and the cost of one salad is $5
Answer:
1. 2+6y+4m-2y+8-m
10+4y+3m
2. C-3+2x+2x+6x+4x
c+11
-------------------------------------------
Step-by-step explanation:
for question one-
if you combine all like terms you get a result of 10, 4y, and 3m. you create this into the proper expression and keep all the different terms separate, youre good to go !!
for question two-
once again, combine all like terms!! this is a very importiant step and as you go, you can cross off the terms you have combined. so you will get c and 11. and as i said previously, make them into a proper expression. so in result you will get c+11.
i hope i helped!! have a great day or night :)
Answer:One can do a two-proportion test and find that the z-value for different is 1.28 (or -1.28, depending how one sets up the test).
The p-value for that is 0.20, so by most tests this is not statistically significant.
Said another way, if there had been no change in the interval, the probability of having a repeat sample at least this different would be 0.20.
The parameter one is attempting to determine is the true proportion of adults in the US who say they like pizza.
For those who think it is 50%, it is essentially 100% likely that it is not 50% but much higher, around 75-77%.
Answer:
Step-by-step explanation:
Note that the distance from -5/7 to 6/7 is 6/7 - (-5/7) = 11/7.
So, if you take steps of 1/7 each, there are 10 steps between -5/7 = 11/7.
-4/7, -3/7, -2/7, ..., 5/7