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ankoles [38]
3 years ago
6

TIME REMAINING

Mathematics
2 answers:
Ratling [72]3 years ago
6 0

Answer:

  • A. w = (-7/2)z <em>or </em>w equals negative StartFraction 7 Over 2 EndFraction z

Step-by-step explanation:

  • 5w + 9z = 2z + 3w
  • 5w - 3w = 2z - 9z
  • 2w = - 7z
  • w = (-7/2)z

Correct choice is A

Leya [2.2K]3 years ago
3 0

Answer:

w=-7/2z

Step-by-step explanation:

to solve for w you firstly have to group the like terms

5w-3w=2z-9z

2w=-7z

then you have to divide both sides by 2 inorder to remain with w on one side.

2w/2=-7/2

w=-7/2

I hope this helps

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The perimeters of similar triangles are in the same ratio as the corresponding sides
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Answer:

Always

Step-by-step explanation:

Suppose you have triangle ABC with side lengths a, b, c. Suppose that is similar to triangle DEF with side lengths d, e, f.

Now, let k be the ratio of corresponding sides ...

  k = d/a

Because the same factor applies to all sides, we also have ...

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That is, if we multiply by the denominators of each of these fractions, we get ...

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The perimeter of ΔABC is ...

   perimeter(ABC) = a + b + c

The perimeter of ΔDEF is ...

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That is, the perimeters are in the same ratio as corresponding sides.

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3 years ago
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mojhsa [17]

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3 years ago
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3 years ago
If h(a)= 3a+5 and h (a) = 27 the what is the value of a?
anzhelika [568]

Hey there!

Okay, so when you get a problem like this, all you need to do in insert the given value into the function and solve.

For example:

As you can see, they state that <em>(a) = 27, </em>so you insert 27 in for a in the function and it will look like this:

h(27) = 3(27) + 5

Now you solve on the right side of the equal sign:

3(27) = 81 (you multiply them)

81 + 5 = 86

When you plug the value of 27 in for a in this function, your output is equal to 86.

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Answer:

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Step-by-step explanation:

bc

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4 0
3 years ago
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