The length of a rectangle is five times its width. The perimeter of the rectangle is at most 96 cm.

2 answers:

6 0

The relation between the length and the width is l=5w ---(1) Perimeter is at most 96 means 2l + 2w ≤96 ----(2) Substitute (1) in (2) » 2(5w) + 2w≤96 Or 2w + 2.(5w)≤96 The correct answer is A

kupik [55]3 years ago

5 0

answers B and D are clearly wrong and if u do some simple thinking you can determine the answer is C...

Have a fantabulous day! :)

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Use Euler's Formula to write 4 sqrt 2- 4i sqrt 2 in exponential form.

Oksanka [162]

Answer:

Step-by-step explanation:

8 0

3 years ago

Two ducklings wander away from the nest while their mother is away. The first duckling's displacement (distance and direction) f

aksik [14]

the second duckling is wandering by 2.6 units distance than the first duckling .

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

Here we have , Two ducklings wander away from the nest while their mother is away. The first duckling's displacement (distance and direction) from the nest is (12,5) The second duckling's displacement is (13,-8) . We need to find How much farther did the second duckling wander than the first duckling. Let's find out:

Let a = (12,5) and b =(13,-8)

The distance each duckling wandered is the magnitude of its displacement vector. Therefore, the expression Distance second duck wandered is given by :

⇒ $D = |b|-|a|$