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trasher [3.6K]
2 years ago
5

Write an equation that expresses the following relationship.

Mathematics
1 answer:
Kazeer [188]2 years ago
4 0

9514 1404 393

Answer:

  d = kw/p

Step-by-step explanation:

When d varies directly with w, the equation is ...

  d = kw

When d varies inversely with p, the equation is ...

  d = k/p

When d does both, the equation is ...

  d = kw/p

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please help! find the scale factor and ratio of perimeters for a pair of similar octagons with areas 64ftsq and 81ftsq. i need t
kati45 [8]

Answer:

the scale factor and the ratio of their perimeters is 8/9

Step-by-step explanation:

k^2=area 1/area 2

k^2=64/81

=square root if k^2=square root of 64/81

=<u>k</u><u>=</u><u>8</u><u>/</u><u>9</u>

4 0
2 years ago
Which best explains whether a triangle with side lengths 2 in., 5 in., and 4 in. is an acute triangle?
Leviafan [203]

Answer:

 The triangle is not acute because 2² + 4² < 5².

Step-by-step explanation:

4 0
2 years ago
PLEASE HELP!!This is joshs solution for the equation x^2-6x-7=0: x^2-6x-7=0
iren [92.7K]

Answer:

  no. see below

Step-by-step explanation:

This much of Josh's working is correct:

  x^2-6x=7

  x^2-6x+9=7+9

  (x-3)^2=16

At this point Josh apparently overlooked the fact that he needed to take the square root of both sides of the equation. Had he done that, he would have ...

  x -3 = ±4

  x = 3+4 . . . or . . . 3 -4

  x = 7 or -1

_____

Josh reported values of x that would match ...

  x -3 = ±16

He <em>violated the equal sign</em> by taking the square root on the left, and multiplying by ±1 on the right. Doing different operations on the two sides of the equation will mean the value of x is changed to something other than what you're looking for.

4 0
2 years ago
Write an equation that shows the relationship 64% of why is 40
DerKrebs [107]

Answer:

I am not share what the question is, can you please rephrase the question.

Step-by-step explanation:

3 0
3 years ago
What’s the answer I need help asap
mixas84 [53]

Answer:

The equation is y = x-2

5 0
2 years ago
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