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ryzh [129]
3 years ago
6

One plus a number y is no more than - 13.

Mathematics
1 answer:
kifflom [539]3 years ago
3 0

Answer: 1 + y ≤ -13

Step-by-step explanation:

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Pls help with this someone i'm struggling with this!
AfilCa [17]

Answer:

x=9

Step-by-step explanation:

Remove the radical by raising each side to the index of the radical.

5 0
2 years ago
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A ladder that is 13 meters long is leaning against a wall. The distance between the foot of the ladder and the wall is 7 meters
Maksim231197 [3]
<h2>Answer:</h2>

The equation that is used to model the length of ladder in terms of x is:

                   x^2-7x-60=0

<h2>Step-by-step explanation:</h2>

We can model this problem with the help of a right angled triangle whose hypotenuse is 13 meters and the other two legs are x meters and (x-7) meters.

where x is the distance between the top of the ladder and the ground.

and (x-7) is the distance between the foot of the ladder and the wall.

Hence, using Pythagorean Theorem we have:

13^2=x^2+(x-7)^2\\\\i.e.\\\\169=x^2+x^2+49-14x\\\\i.e.\\\\169=2x^2-14x+49\\\\i.e.\\\\2x^2-14x+49-169=0\\\\i.e.\\\\2x^2-14x-120=0\\\\i.e.\\\\x^2-7x-60=0

                 Hence, the answer is:

                  x^2-7x-60=0

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3 years ago
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nignag [31]

Answer:

Step-by-step explanation:

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3 years ago
48 x 56 in area model​
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Step-by-step explanation:

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3 years ago
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Pls help extra points and mark brainlist
dusya [7]

Answer:

the value after solving = 16

Step-by-step explanation:

=》8 + (8/1^4) =》8 + 8 ( since 1^4 = 1 )

=》16

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3 years ago
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