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suter [353]
3 years ago
7

I need help to find the value please

Mathematics
2 answers:
Lilit [14]3 years ago
4 0

Answer:

13.928

Step-by-step explanation:

Pythagorean theorem. 13^2 + 5^2 = x^2

aivan3 [116]3 years ago
4 0

Answer:

this is easy

Step-by-step explanation:

valve of x is 30 add 13 into 30 = 43÷5 5/8

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He stem and leaf plot shows the number of calories in one serving for 12 different snack foods.
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Answer:

8

Step-by-step explanation:

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3 0
3 years ago
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What is the length of the third side of the window frame ??
drek231 [11]
A^2+b^2=c^2
A=63
B=?
C=87
63^2+b^2=87^2
3969+b^2=7569
-3969 both sides
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2 years ago
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Twice a number, decreased by 9 is 12
Serhud [2]

Answer:

10.5

Step-by-step explanation:

7 0
3 years ago
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I need your help again guys!
solmaris [256]

ANSWER

x = 13

EXPLANATION

Use the Pythagoras Theorem to obtain,

{x}^{2}  =  {12}^{2}  +  {5}^{2}

This implies that,

{x}^{2}  = 144 + 25

{x}^{2}  = 169

Take the positive square root of both sides to get,

x =  \sqrt{169}

x = 13

8 0
3 years ago
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A regular heptagon has a radius of approximately 27.87 cm and the length of each side is 24.18 cm. what is the approximate area
aniked [119]

The area of the regular heptagon which has a radius of approximately 27.87 cm and the length of each side is 24.18 cm is 2125 cm².

<h3>What is the area of a heptagon?</h3>

Heptagon is the closed shape polygon which has 7 sides and 7 interior angles.

The area of the regular heptagon is found out using the following formula.

A=\dfrac{7a}{4}\cot \left(\dfrac{180}{7}\right)

Here, (<em>a</em>) is the length of the heptagon.

A regular heptagon has a radius of approximately 27.87 cm and the length of each side is 24.18 cm. Put the value of side in the above formula,

A=\dfrac{7\times24.18}{4}\cot \left(\dfrac{180}{7}\right)\\A\approx 2125\rm\; cm^2

Hence, the area of the regular heptagon which has a radius of approximately 27.87 cm and the length of each side is 24.18 cm is 2125 cm².

Learn more about the area of a heptagon here;

brainly.com/question/26271153

3 0
2 years ago
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