What is the value of a? brainliest for right answer

Mathematics

2 answers:

Anika [276]3 years ago

5 0

You can find C with pythagorean theorem. And both triangles should be similar (really congruent but it seems like they just decided to not math properly) so you should be able to divide 4/3 then multiply 4 by the outcome. I may be off though bc I have been out of school for 2 months and can't fully remember.

Sholpan [36]3 years ago

4 0

Edit: Nevermind I messed up

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The price of a watch was increased by 20% to £144. What was the price before the increase?

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Answer:

120 pounds

Step-by-step explanation:

Since the new cost is 144 pounds and this is 20% more, this is 120% of the original price. Remember 100+20 = 120. To find the original price set up a proportion with these values:

$\frac{144}{x}=\frac{120}{100}$

Solve for the original price by cross multiplying numerator with denominator.

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Solve for q. √3q + 2 = √5

34kurt

Answer:

$q = 0.0186$

Step-by-step explanation:

To solve for q, we initially place everything with the term q to one side of the equality, and everything without the term q to the other side of the equality.

$\sqrt{3q} + 2 = \sqrt{5}$