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Deffense [45]
3 years ago
9

*only number 4* If someone could help me with number 4? Thank you!

Mathematics
1 answer:
FinnZ [79.3K]3 years ago
3 0

Every side of the triangles are equal

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If 3 times a square of an integer is added to 1 times the integer, the result is 2
jarptica [38.1K]
Let unknown integer be n.

So then your sentence would translate to 3n² + n = 2.

If you need to solve for n then we can move 2 to left side by subtract both sides by 2:

3n² + n - 2 = 0

Now you can factor:

3n² + 3n -2n - 2 = 0

3n( n + 1 ) - 2( n + 1 ) = 0

( 3n - 2 )( n + 1 ) = 0

3n - 2 = 0   OR   n + 1 = 0

3n = 2   OR   n = -1

n = 2/3   OR   n = -1


Final answer: n = 2/3   OR   n = -1
6 0
3 years ago
PLEASE HELP ASAP!!!<br> best correct answer I will mark brainliest!
notka56 [123]

Answer:

The one on the right

Step-by-step explanation:

The height on the right one matches the height on the net, unlike the left one

4 0
3 years ago
I don’t understand please help?
Lerok [7]

Answer:

D

Step-by-step explanation:

Cuz sqr root of 20 = 2 sqrt 5, -2 sqrt 5

7 0
3 years ago
Nine out of ten students prefer math class over lunch. How many students do not prefer math if 200 students were asked
Nimfa-mama [501]

Answer:

i think probably 20

Step-by-step explanation:

if 200 students, students do not prefer math 10/100 × 200 = 20

4 0
2 years ago
What is Greater 980 squared root or 4π^2
Rudik [331]

Answer:

The greater number is 4π^2.

Step-by-step explanation:

1) 4π^2 = 39.4784176044

2) \sqrt{980} = 31.304951685

4π^2 is greater.

7 0
3 years ago
Read 2 more answers
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