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4vir4ik [10]
3 years ago
9

5. Determine if the following side lengths would form right triangles, and show your work as proof

Mathematics
2 answers:
jek_recluse [69]3 years ago
5 0

Answer: All of them are No

Step-by-step explanation: a^2+b^2=c^3

Rufina [12.5K]3 years ago
3 0

Answer:

12² + 24² = 36²

144 + 576 = 1296

720 ≠ 1296

12, 24, 36: NOT a right triangle

16² + 9² = 11²

256 + 81 = 121

337 ≠ 121

16, 9, 11: NOT a right triangle

20² + 29² = 21²

400 + 841 = 441

1241 ≠ 441

20, 29, 21: NOT a right triangle

12.5² + 7.5² = 10²

156.25 + 56.25 = 100

212.5 ≠100

12.5, 7.5, 10: NOT a right triangle

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What is the slope of the line graph?
xenn [34]

Answer: the slope is 2

Step-by-step explanation:

It goes up 2 and over 1

y/x

rise over run= rise/run

4 0
3 years ago
Determine whether the following is an expression or an equation.
RideAnS [48]

Answer:

C. The statement is an equation because there is an equality symbol.

Step-by-step explanation:

Equation:

Combination of terms joined by the sign minus, plus, multiplication, and division and has equality sign.

Example

5x+45=-5

Term:

A Numbers. (Only)

Example:

9

Combination of a number and a variable joined by multiplication or division.

Example:

9x, 6ab, 10n

Variable:

a symbol that is written with a number or a term.

6ab

Expression:

Terms joined by the sign plus or minus

Hope this helps ;)❤❤❤

5 0
3 years ago
MODELING REAL LIFE A green roof is like a traditional roof but covered with plants. Plants used for a green roof cost $0.75 per
Fantom [35]

Answer:

$1200

Step-by-step explanation:

Let the roof be square shaped

Area of the roof = L²

L is the side length of the roof

Given

L = 40ft

Area of the roof = 40²

Area of the roof = 1600ft²

If plants used for a green roof cost $0.75 per square foot, this means

1 ft² = $0.75

Let the cost needed to cover both sides of the roof be y, hence;

1600ft² = y

Divide both expressions

1/1600 = 0.75/y

y × 1 = 0.75×1600.

y = 0.75×1600

y = 1200

Hence it will cost $1200 to cover both sides of the roof

4 0
3 years ago
Write the equation in standard form of a circle with center (-7,2), tangent to the y-axis.
Vesna [10]

Answer:

(x+7)^2+(y-2)^2=7^2

Step-by-step explanation:

Tangent to y-axis means that the side of the circle TOUCHES the y axis.

Since the center is at (-7,2) and it touches the y axis, we can figure out the radius. It goes from (-7,2) to y-axis. Horizontally, the center is 7 units left of y-axis, so that is the radius -----  7 units

The standard form of a circle is:

(x-h)^2+(y-k)^2=r^2

Where

(h,k) is the center

r is the radius

Putting the information into the form, we have:

(x-h)^2+(y-k)^2=r^2\\(x-(-7))^2+(y-(2))^2=7^2\\(x+7)^2+(y-2)^2=7^2

THis is the standard form.

7 0
3 years ago
the electric bill in may was $248.00. in june the bill was $265.00. what is the percent of increase rounded to the nearest hundr
arsen [322]
1) May: 248$ and june 265$. The difference is 17$ and then you divide the difference with the old price: 17/ 248 = 6,85% 
<span>2) Same method, the difference is 59$ so 27,44%' </span>
<span>3) The difference is 9,5$ so you answer is 63,3% </span>
<span>4) The difference is 10$ divided by the original price: 10/24 = 41,66%</span>
8 0
3 years ago
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