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svetlana [45]
3 years ago
7

Please help on 10 11 and 12

Mathematics
1 answer:
erastova [34]3 years ago
4 0
Try multiplaying all sides
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Please help and explain ( Brainliest for answer!)
Novosadov [1.4K]

Answer:

AD = 3

Step-by-step explanation:

Pythagoras theorem formula: a² + b² = c² (c being the hypotenuse, the longest side of the triangle).

Using this formula, you can easily say that c²-b²=a². c=5, b=4, making the equation 5² - 4² = a ².

Expanding the formula, you'll get 25 - 16 = a².

25 - 16 = 9.

This means that 9 = a².

To find a, you need to root 9. Using a calculator, you'll know that this number is 3, meaning that AD = 3.

7 0
3 years ago
What is 1/16 (fraction) divided by 24?
polet [3.4K]
1/384

Hope this helps
4 0
3 years ago
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Which equation is equivalent to this formula?
lana [24]
The equation equivalent to this formula would be D)b1=2A-b2
4 0
3 years ago
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A regular hexagon is shown below. Find the value of x.<br> (11x + 21)°
noname [10]

Answer:

x=9

Step-by-step explanation:

The expression is for the interior angle of the hexagon; one interior angle is equal to .

Since an interior angle of a hexagon measures 120°, we have the equality

.

Now it is just a matter of solving for  

11x=120-21

11x=99

x=99/11

x=9

4 0
2 years ago
PLEASE HELP IM IN A HURRY
Liula [17]

Answer:

The area of the figure composed of a parallelogram, a square and a rectangle is 126 in².

Step-by-step explanation:

Hope I could help!

7 0
3 years ago
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