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GaryK [48]
2 years ago
13

Look below for problem

Mathematics
2 answers:
Drupady [299]2 years ago
6 0

Answer:

huh????

Step-by-step explanation:

Bogdan [553]2 years ago
4 0

Answer:

Step-by-step explanation:

1) 3x² + 5x - 2

2) -4x² - 5x - 12

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Me ajudem com a 3º questão
Alisiya [41]

I can't read that language but I'll guess it says write a second degree equation then solve for n when d=10.

10 = \dfrac{n(n-3)}{2}

20 = n^2 - 3n

n^2 - 3n - 20 = 0

Answer: n² - 3n - 20 = 0

That doesn't factor so there is no integer n solution.

That means there are no polygons with 10 diagonals.

n = \frac 1 2(3 \pm \sqrt{89})

7 0
2 years ago
a boy walks along at a constant speed of 3 meters per second for 1 minute. how far does he travel during this time?
Nadusha1986 [10]
The boy walks at a constant speed V=3 m/s where V is his velocity
1 minutes has 60 seconds
Thus we conclude during 1 minute he travels :
60 seconds × 3 meters/second = 180 meters
5 0
3 years ago
A bedroom door in the house has the same dimension as the front door but the length is 30 inches rather than 36 inches how much
arsen [322]

Answer:

6/5

Step-by-step explanation:

Calculate the volume by multiplying the measured length and width of the space together, then multiply the result by the height of the room. From the example, 10 * 25 feet = 250 square feet, and 5 * 10 feet = 50 square feet.

5 0
2 years ago
Solve for n: n/3 > 66 2/3
Kitty [74]

Answer: The 2 answers are inequality form and interval notation: n>200, and (200, ∞).

Step-by-step explanation: To solve for n, you’ll need to simplify the both sides of the inequality, and then isolating the variable.

5 0
2 years ago
Mel has $35 and withdraws $200 from his bank account from the ATM. He bought a pair of pants for $34.00, 2 shirts for $16 each a
Westkost [7]

$34.00 - pants.

$16.00 ×2 = $32.00 - shirts.

$24.00×2= $48.00 - shoes.


$34.00+ $32.00 + $48.00 = $114.00


$200.00 - $114.00 = $86.


but if you count $35 then he had , $121

6 0
3 years ago
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