Answer:
4 hours
Step-by-step explanation:
y= 40x +225
$385 money to spend - $225 that go for hard drive = $160
40* x can be maximum 160 so x= 160 /40= 4
Answer:
just find the average in a month
Step-by-step explanation:
total number of cakes baked in a month divided by a month or 30 days depending on what they want from you
The answer is 6
Explanation
3 x 6 is 18
18 +7 is 25
Answer:
Step-by-step explanation:
x=tan a +cot a
x²=tan²a+cot²a+2tan a×cot a
x²=tan²a+cot²a+2
x²-2=tan²a+cot²a
y=tan a-cot a
squaring
y²=tan²a+cot²a-2 tan a cota
y²=tan²a+cot²a-2
y²+2=tan²a+cot²a
equating
x²-2=y²+2
or x²-y²=4