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Marysya12 [62]
2 years ago
13

Find at least 3 numbers that are palindromes and have square roots that are palindromes

Mathematics
2 answers:
Artemon [7]2 years ago
7 0

Hey there!

Palindromes are numbers that can be written the same way backwards, such as 101 and 12321. You're looking for some numbers which are palindromes, and so are their square numbers.

Alright, I'll give you four of those:

  1. 121 is a palindrome, and its square root is 11, both palindromes. 11 x 11 = 121
  2. 484 is a palindrome, and its square root is 22, both palindromes. 22 x 22 = 484
  3. 10201 is a palindrome, and its square root is 101, both palindromes. 101 x 101 = 10201
  4. 12321 is a palindrome, and its square root is 111, both palinromes. 111 x 111 = 12321

Hope this helps!

Mice21 [21]2 years ago
7 0

Answer:

1, 4, and 9

Step-by-step explanation:

Since one-digit are palindromes, just take 1, 4, and 9 because they're perfect. In math, you have to be efficient. Don't think too long about higher numbers. Think about the easier cases first.


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Troyanec [42]

Using the formula for the volume of a cube, it is found that the expression which gives the ratio of the side length of Cube A to the side length of Cube B is:

r = \frac{3^{\frac{2}{3}}}{5^{\frac{1}{3}}}

Which means that option E is correct.

The <em>volume of a cube</em> of side length l is given by:

V = l^3

For Cube A, the volume is of 9 cubic inches, hence:

l_a^3 = 9

l_a = \sqrt[3]{9}

l_a = 9^{\frac{1}{3}}

l_a = 3^{\frac{2}{3}}

For Cube B, the volume is of 5 cubic inches, hence:

l_b^3 = 5

l_b = \sqrt[3]{5}

l_b = 5^{\frac{1}{3}}

Then, the ratio is:

r = \frac{l_a}{l_b} = \frac{3^{\frac{2}{3}}}{5^{\frac{1}{3}}}

To learn more about the volume of a cube, you can take a look at brainly.com/question/13030328

5 0
2 years ago
Help brainliest for correct answer
OLga [1]

Answer:

14 degrees.

Step-by-step explanation:

I am assuming that the 56 degree angle is at the centre of the circle.

The angle at the top in the circle = 1/2 * 56 = 28 degrees.

The reflex angle = 360 - 56 = 304 degrees.

If we draw a line from the vertex of the 56 degrees angle to the vertex of 28 degree angle we bisect the reflex angle and the 28  degree angle. Also the 2  triangles formed are congruent ( by SSS).

So x = 180 - 1/2 * 28 - 1/2 * 304

= 180 - 14 - 152

= 180 - 166

= 14 degrees.

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<h3>What is a proportion?</h3>

A proportion is a fraction of a total amount, and the measures are related using a rule of three.

In this problem, the family travels a distance of 125% of 240 miles, hence the distance is:

D = 1.25 x 240 = 300 miles.

Since there are are approximately <u>48.28 kilometers in 30 miles</u>, and 300/30 = 10, the distance in kilometers is given by:

D = 48.28 x 10 = 482.8 km.

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8 0
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