X - the number of questions he answered correctly
y - the number of questions he answered incorrectly
There were 40 questions on the test.
The correct answers were given 5 points each, the incorrect answers were given -2 points each. He made a score of 95.
Set 40-x and (-95/2)+(5/2)x equal to each other:
Johnny answered correctly
25 questions.
Answer:
£5
Step-by-step explanation:
5 boxes will cose 5 x 15.40 = 77 normally.
according to the table, he will get 6.5% discount.
6.5 percent of 77 is 77x0.065 = 5.005 ≈ 5
Answer:
-2 < q
Step-by-step explanation:
This is very much similar to solving for q, but since the 'less than' sign is present, instead of putting an ' = ', you will put ' < '.
- 4 < 6 + 5q
- 4 - 6 < 5q
- 10 < 5q
< q
<u>-2 < q </u>
Or you could reverse it, which will be.
q > -2
-5 and -4.
-5 times -4 is 20 while adding -5 and -4 it equals -9. (don't be very harsh if i got this wrong)
Answer:
y=2x-8 x=12 y=16
Step-by-step explanation:
the function is y=2x-8
if x=12
y= 2 (12)-8=16