Please help me with this math problem! :(

Mathematics

2 answers:

PilotLPTM [1.2K]2 years ago

5 0

Answer:

what the other person said

Step-by-step explanation:

liraira [26]2 years ago

3 0

So to get 100 from 50, we’d have to do 50*2. So the bottom box/missing denominator would be 2, and since we have to find the perfect, the top box would also have to be 2 so the actual number doesn’t change. (2/2 = 1, anything multiplied by 1 is itself). We want it to look different and to be out of 100 but it should still hold the same value if that makes sense. So you do that and you do 27*2 which is 54, and the percent would be 54%

Let me know if you have any questions

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the sales tax for an item was $30.10 and it cost $430 before tax. find the sale tax rate. write your answer as a percentage.

timurjin [86]

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4 0

3 years ago

The length of the hypotenuse of the right triangle is 25 cm, the length of one of the legs is 10 cm. What is the length of the s

Anna007 [38]

Answer:

21 cm

Step-by-step explanation:

Call the triangle ABC, with the right angle at B, the hypotenuse AC=25, and the given leg AB=10. The altitude to the hypotenuse can be BD. Since the "other leg" is BC, we believe the question is asking for the length of DC.

The right triangles formed by the altitude are all similar to the original. That means ...

AD/AB = AB/AC . . . . . . ratio of short side to hypotenuse is a constant

Multiplying by AB and substituting the given numbers, we get ...

AD = AB²/AC = 10²/25

AD = 4

Then the segment DC is ...

DC = AC -AD = 25 -4

DC = 21 . . . . . centimeters