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sergeinik [125]
2 years ago
11

Help me please i don’t get it

Mathematics
1 answer:
Fofino [41]2 years ago
7 0

Answer:

4

Step-by-step explanation:

Both triangles are the same shape, just to different scales. In order to find out the length of side AB in triangle ABC, you have to find out the length of side PQ in triangle PQR and how much bigger than side AB is.

You can tell that sides AC and PR are similar, and 30/5 is 6. You see also that sides BC and QR are similar, and 42/7 is also 6. We have now discovered that triangle PQR is 6 times bigger than triangle ABC.

So now, to find the length of the missing side, we have to shrink side PQ by 6.  24/6 is 4. Therefore, the length of side AB is 4.

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ADDING FRACTIONS WITH LIKE DENOMINATOR<br> 5/12+3/12<br> DO YOU KNOW THE ANSWER?
larisa [96]

Answer:

8/12 = 2/3

Step-by-step explanation:

5/12 + 3/12

Since the denominator is the same, we add the numerators

8/12

We can simplify by dividing the top and bottom by 4

2/3

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3 years ago
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9/29/2020
tangare [24]

Answer:

It would be supplementary!

Step-by-step explanation:

Because the two angles add up to 180

plz add me to brainliest!!!

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You know, I honestly don't think you can.

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This is good information, but the question part is missing. Put the question in the comments and I'll try my best to help!
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Write 12/root2 + root18 in the form broot2 where b is an interger
katrin2010 [14]

\dfrac{12}{\sqrt 2} + \sqrt{18}\\\\\\=\dfrac{12 + \sqrt{18 \times 2}}{\sqrt 2}\\\\\\=\dfrac{12+\sqrt{9 \times 4}}{\sqrt 2}\\\\\\=\dfrac{12+3 \times 2}{\sqrt 2}\\\\\\=\dfrac{18}{\sqrt 2}\\\\\\=\dfrac{18\sqrt 2}{\left(\sqrt 2\right)^2}\\\\\\=\dfrac{18\sqrt 2}2\\\\\\=9\sqrt 2

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