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Masteriza [31]
3 years ago
15

If a test is 150 questions how many answers can you get wrong to still get an 80%

Mathematics
1 answer:
adoni [48]3 years ago
6 0
To get this score u might have 30 wrong answers
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What is the slope of this equation please help me
galina1969 [7]
The slope is always change in y value over change in x value so if you pick any 2 points on the line you’ll see that the slope is 30/40 and that simplified is 3/4 so the slop is 3/4
4 0
3 years ago
2z^4-10z^3+4z^2 factorable?
charle [14.2K]
Yes
factor out the 2z^2 in each term
(2z^2)(z^2-5z+4)
factor some more
z^2-5z+4
find what 2 numbers multiply to get 4 and add to get -5
the numbers are -1 and -4
(z-1)(z-4)

the factored form is
(2z^2)(z-1)(z-4)
8 0
3 years ago
6 + −28 − x = -2<br> -------------<br> x
nexus9112 [7]
The answer is x=-20.
6+ -28 -x =-2
You first add 28 to each side=6+-x=26 then you minus 6 from each side=-x=20.
Then you divide 20 by -x resulting in x=-20
3 0
4 years ago
Read 2 more answers
(x/2-3)/5=6 convert to english sentence​
Jobisdone [24]
When divided by 5, 3 subtracted from x divided by 2 equals to 6
8 0
3 years ago
If a ticket at the movie theater called $7.50 and popcorn cost $3.50 and the drink cost $1.50 and the cab cost $12 for up to fiv
pentagon [3]
This is me cab/ticket,popcorn,drink 7.50+ 3.5+1.50+12.= 24.50

Friends if I take 3

Popcorn,drink,ticket
12.50 ×3= 37.50

So now me plus 3 friends
24.50 +37.5=62.00


8 0
3 years ago
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