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3 years ago

How can you determine whether salt water is a solution or a compound?

Mathematics

1 answer:

saul85 [17]3 years ago

5 0

Answer:

In the comments

Step-by-step explanation:

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The side-lengths of a triangle are decreased by a scale factor of 3. Predict

tamaranim1 [39]

ANSWER:

After changing the side lengths of the triangle are decreased by scale factor of 3, the perimeter of triangle also decreased by 3

SOLUTION:

Given, the side lengths of a triangle are decreased by a scale factor of 3.

Let the side lengths of the given triangle be a, b, c.

After the side lengths are decreased by a scale factor of 3.

Now, the side lengths will become $\frac{a}{3} , \frac{b}{3} , \frac{c}{3}$

Before changing the side lengths, perimeter of the triangle is p = a + b + c.

After changing the side lengths, perimeter of the triangle is $\frac{a}{3}+\frac{b}{3}+\frac{c}{3}$

$=\frac{a+b+c}{3}$

$=\frac{p}{3}$

So, the perimeter is also decreased by the scale factor of 3.

Hence, after changing the side lengths of the triangle are decreased by scale factor of 3, the perimeter of triangle also decreased by 3.

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3 years ago

4a - b = 3, solve for a

aev [14]

Answer: your answer is

7a hope this helps you

Step-by-step explanation:

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What is the answer to -28 + 38

anzhelika [568]

What if I wrote + 38 - 28 .

Would you be able to solve it that way ?

They're both the same number.

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3 years ago

If three corresponding sides of one triangle are proportional to three sides of another, then the triangles are similar. always

mezya [45]

If three sides are proportional their angles must be identical therefore they are always similar.

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Can I get help on all these please

kow [346]

Answer:

1. brandon can read 30 words per minute

Step-by-step explanation:

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