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balandron [24]
3 years ago
7

How many roots does y=x^2-4x+6 have

Mathematics
1 answer:
pochemuha3 years ago
7 0
Δ<<span>0 i think this is right</span>
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0.89879404 rounded to the nearest ten thousandths
Aleksandr-060686 [28]

Answer:

0.8988

Step-by-step explanation:

the first digit is tenths, then hundredths, then thousandths, then tenthousanths, so you know your end result will have four digits after the decimal. since 9 is greater than 5, you round up the seven before it to an 8. the result is 0.8988

8 0
3 years ago
Kyle and Michael run a lap around a track. Kyle gets a 50 meter head start and runs 3 meters per second. Michael runs at a speed
DanielleElmas [232]

First, you need to put both equations in slope intercept form

Kyle: y=3x+50, because he runs 3 meters/second and he gets a 50 meter head start

Michael: y=4x

I think the answer would be 50 seconds

hope this helps

4 0
3 years ago
Read 2 more answers
Approximately 1.9 million primes of a certain type are reported to the place every year
zhannawk [14.2K]

I suspect that you might mean 'crimes' and 'police'.  If that's the case,
then what we have here is a sentence that has not been proofread
for errors, and doesn't ask any question. I'm not going to worry about it.

8 0
3 years ago
6 kids play a tennis game. Each play each other once. How many games did they play altogether ​
Y_Kistochka [10]
All together they play 36 games
Six kids each day play each other so six times six
8 0
2 years ago
Can someone tell me if I'm right or wrong
dem82 [27]

Step-by-step explanation:

well, it is a combination of 2 shapes.

I, personally, would have split it into the small 2x2 square (in the top right corner) and then into the 6x(7-2) rectangle.

that would be

2x2 + 6x5 = 4 + 30 = 34 cm²

but you started a valid approach too.

you "sliced" off a narrow rectangle along the whole right side. 7x2.

and that leaves now a 4x(7-2) rectangle.

so,

7x2 + 4x5 = 14 + 20 = 34 cm²

yes, this was my answer.

how did this suddenly appear as your answer ?

7 0
3 years ago
Read 2 more answers
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