For the average to be 90,
(99 + 93 + x) / 3 = 90
or 192 + x = 270
or x = 270 - 192 = 78
Jim must score at least 78 in the third test.
Answer:
Step-by-step explanation:
1. First you add like terms
12b+5.54b+2.46b-2b = 18b
3.2a+1.17a = 4.37a
2. Now you write it out
18b+4.37a
3. CELEBRATE!!!!
4. Pat yourself on the back one more problem done
5. Have a nice day
:)
The answer is C bc it’s multiplication
Answer: Hello:
Slope - intercept form is y = mx + b.
Since -1/2 is your slope and 5 is your y - intercept, all you need to do is substitute those values into the equation:
y = -1/2 + 5
Hope this helps!
Answer:
720
Step-by-step explanation:
The permutation looks like this for that set of data:

and the formula to solve it like this:

which simplifies down to

Since every number less than 8 in the numerator cancels out with the denominator, we have

which equals 720