The area of a square is 225 square centimeters. Find the length of a side. Find the length of the diagonal.

Answers

Answer 1

Answer: If the square's area is 225 square centimeters, that means length of it's one side is 15 centimeters, because the formula for a square's area is ${ a }^( 2 )$ where a is length side, in our case ${ a }^( 2 )=225$ and $\sqrt { { a }^( 2 ) } =\sqrt { 225 } \n a=15$ . So we know that one side's length is 15 we can find the diagonal. The solution is in the picture.

${ a }^( 2 )+{ b }^( 2 )={ c }^( 2 )\n { 15 }^( 2 )+{ 15 }^( 2 )={ c }^( 2 )\n 225+225={ c }^( 2 )\n 550={ c }^( 2 )\n \sqrt { 550 } =\sqrt { { c }^( 2 ) } \n \sqrt { 550 } =c\n 15\sqrt { 2 } =c$

Answer 2

Answer:

Final answer:

To find the length of a side of the square, take the square root of its area. The length of a side is 15 centimeters. To find the length of the diagonal, use the Pythagorean theorem. The length of the diagonal is 15√2 centimeters.

Explanation:

To find the length of a side of a square, we can take the square root of its area. The area of the square is given as 225 square centimeters, so taking the square root of that will give us the length of a side. √225 = 15 centimeters.

To find the length of the diagonal of the square, we can use the Pythagorean theorem. The diagonal forms a right triangle with the sides of the square, so we can use a^2 + b^2 = c^2, where a and b are the lengths of the sides and c is the length of the diagonal. Plugging in the values, 15^2 + 15^2 = c^2. 225 + 225 = c^2. 450 = c^2. Taking the square root of both sides, c = √450. Simplifying, c = 15√2 centimeters.

Learn more about Finding the length of a side and diagonal of a square here:

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The term 25ab and which other term are like terms? A. 25 B. 24a C. 5ba D. 10b

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Combine like terms. 5/6X take away -2/3X= Answers: A. 1/6X B. 1/3X C. 1/2X D. X

Answers

Answer:

1) Option C

2) Option C

3) Option B

4) Option B

5) Option A

Step-by-step explanation:

1) Identify the like terms ?

Terms are 9x, 10y, –9y, 10.

Like terms are those having same variable.

i.e. 10 y and -9y are like terms.

So, Option C is correct.

2) The term 25ab and which other term are like terms?

Option terms are 25,24a,5ba,10b

Like terms are those having same variable form.

i.e. 25ab and 5ba are like terms.

So, Option C is correct.

3) Combine like terms.

Expression $15w-28w$

combine like terms means adding and subtracting like terms with same variable.

i.e. $15w-28w=-13w$

So, Option B is correct.

4) Combine like terms.

Expression $9+18s- 7s$

combine like terms means adding and subtracting like terms with same variable.

i.e. $9+18s- 7s=9+11s$

So, Option B is correct.

5) Combine like terms.

Expression $(5)/(6)x-(2)/(3)x$

combine like terms means adding and subtracting like terms with same variable.

i.e. $(5)/(6)x-(2)/(3)x=(1)/(6)x$

So, Option A is correct.

These are my answers
1.C
2.C
3.B
4.B
5.A

An artist is designing a kite like the one show below. Calculate the area to determine how much material she will need to create the kite. A) 38 square inches
B) 66.5 square inches
C) 114 square inches
D) 180.5 square inches

Answers

I hope this helps you

(9,5+9,5).7/2+(9,5+9,5).12/2

19.3,5+19.6

19.9,5

180,5

Jan has $37.50. tickets to concert cost $5.25 each. how many tickets can she buy

Answers

$x-\ number\ of\ tickets\n\nTo\ find\ number\ of\ tickets\ divide\ all\ money\ that\ he\ has\ and \n next\ divide\ by\ cost\ of\ one\ ticket\n\nx=(37.5\$)/(5.25\$)=7.14....\n\nHe\ can\ buy\ 7\ tickets.$

CeeCee recorded the number of necklaces for sale at 10 different locations and then arranged the numbers from smallest to largest. The numbers of necklaces for sale at the locations were 4, 4, 4, 5, 8, 9, 9, 9, 9, and 9.The mean number of necklaces for sale at the locations was 7.What is the mean absolute deviation?

Answers

Ok screw it, I went and watched a video on it
You calculate MAD by working out the absolute value that each data point is away from the mean
To do so, subtract each point from the mean, and then you don't care if the result is positive or negative, you just write it as positive
So
4 - 7 = -3, deviation is 3
4 - 7 = -3, deviation is 3
4 - 7 = -3, deviation is 3
5 - 7 = -2, deviation is 2
8 - 7 = 1, deviation is 1
9 - 7 = 2, deviation is 2
9 - 7 = 2, deviation is 2
9 - 7 = 2, deviation is 2
9 - 7 = 2, deviation is 2
9 - 7 = 2, deviation is 2
Now, you add up all the deviations, and divide them by the number of points of data you have, so
(3 + 3 + 3 + 2 + 1 + 2 + 2 + 2 + 2 + 2)/10, or simply
22/10
So the MAD is 2.2
I think

Answer: 2.2

This ilshoulf be right

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