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Degger [83]
3 years ago
8

HELP ME I DOMT UNDERSTAND

Mathematics
1 answer:
Vilka [71]3 years ago
3 0
1) -30 meters because descend means decrease

2) 20 meters because above means positive

3) 0 because it does not change

Hope this helps!
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Watch help Video
Alexus [3.1K]

Answer: 5y − 1 + y^{2}

Step-by-step explanation:

Hey there! I will give the following steps, if you have any questions feel free to ask me in the comments below. Thank you!

<u>Step 1:</u><u> </u><u><em>Collect like terms.</em></u>

(3y + 2y) + (6 − 3 − 4) + (-6y^{2} + 7y^{2})

<u>Step 2: </u><u><em>Simplify.</em></u>

5y − 1 + y^{2}

~I hope I helped you! :) Good luck!~

6 0
3 years ago
Find a unit vector that is orthogonal to both i + j and i + k.
kenny6666 [7]

Answer: i - j - k

Step-by-step explanation:

Taking the cross product between two vectors will give you a third vector that is orthogonal(perpendicular) to both vectors.

<1,1,0> x <1,0,1>

det(\left[\begin{array}{ccc}i&j&k\\1&1&0\\1&0&1\end{array}\right] )

the determinate of the matrix: <1,-(1),-1>

or: i - j - k

3 0
3 years ago
Adiciones racinales 1/7+3/7+2/7
Digiron [165]
6/7 is the awnser for this one
7 0
3 years ago
Find the ending balance $35,600 at 9% for 2 years
tino4ka555 [31]

Answer:

42,008

Step-by-step explanation:

6 0
3 years ago
A family buys 5 airline tickets online. The family buys travel insurance that costs $19 per ticket. The
seropon [69]

Answer:

One ticket is $164. The expression is (5*19) + (5*164) or (5*19) + 5x

Step-by-step explanation:

19*5 = 95

915 - 95 = 820

820/5 = 164

The price of one ticket is $164.

Hope this helps. Have a nice day.

8 0
3 years ago
Read 2 more answers
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