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lara [203]
3 years ago
7

Please help!! i don’t understand how to do this

Mathematics
1 answer:
Arisa [49]3 years ago
8 0

Answer: A is the right angle

Step-by-step explanation:

a. 20^2 + 15^2 = 25^2

400 + 225 = 625

625 = 625

hope this helps :)

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An unbiased coin is tossed 20 times find the probability that the coin lands heads exactly 11 times
alexgriva [62]
Both the heads and tails will have a probability of 0.5 with a fair coin. ... TO find probability that foe the 7th toss head appears exactly 4 times.
7 0
3 years ago
Choose the correct simplification of (8x4y3)2.<br> And please explain step by step<br> THANK YOU!!!!
Irina-Kira [14]
So you need to use the distributive property. First, solve inside the parentheses. So, 8x times 4y is 32xy, then multiply that by 3 to get 96xy, now multiply 96xy by 2 to get your final answer of 192xy.
8 0
3 years ago
Find the interior angle sum for the following polygon​
wolverine [178]

Answer:

1620°

Step-by-step explanation:

The figure is an 11-sided polygon and is called hendecagon

The interior angle sum:

180( n-2)   n=11

=180(11-2)

=180(9)

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I hope this help you

5 0
3 years ago
What is the distance between 4.4 and -2.2 on a number line?
SSSSS [86.1K]

Answer:

2.2

Step-by-step explanation:

4.4 + -2.2 = 2.2

....................................................................

4 0
3 years ago
To wash a window that is 12 feet off the ground, Wayne leans a 13-foot ladder against the
AlladinOne [14]

Answer:

5 meters

Step-by-step explanation:

Based on the situation, it forms into a right triangle. So we will apply the Pythagorean Theorem here. The ladder acts as the hypotenuse while the height from the ground to the window serves as our side "a". We are tasked to solve for "b". Side "b" is the distance from foot of side a to the tip of side c which is the hypotenuse (ladder). We will derive the formula below to solve for b.

c = √( a² + b² )

c² = a² + b²

b² = c² - a²

b = √ ( c² - a² )

b = √ ( 13² - 12² )

b = 5 meters

Correct me if I'm wrong. I hope it helps.

3 0
3 years ago
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