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Alexxx [7]
2 years ago
11

Which expression is equivalent to the number 144?

Mathematics
1 answer:
motikmotik2 years ago
4 0

Answer:

d

Step-by-step explanation:

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Using pythagorean theorem find a, and b, where a is twice of b and the hypotonuse is 5√5
patriot [66]
Measure of Hypotaneous = 5√5

And it's already given that b = 2a

By using pythagoras theorem:

a²+ b² = (5√5)²

Let's substitute for b as 2a in above equation we'll get:

a² + (2a)² = (5√5)²

a² + 4a² = 125
5a² = 125
a² = 25
a = √25 = 5


Therefore,
a= 5
and
b = 2a = 2(5) = 10.


3 0
3 years ago
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Simplify (2^5/3^2)^4
BabaBlast [244]

Answer:

first one on top.

Step-by-step explanation:

3 0
3 years ago
All I need is the answer. Will be marked brainiest if it is absolutely correct.
NARA [144]
What’s the question?
6 0
2 years ago
A. Name 3 different angles which could have a reference angle of 20 degrees. How did you arrive at this answer?.
IgorC [24]

<u>Answer:</u>

<u>Answer:a. Since 20° is in the first quadrant, the reference angle is 20° .</u>

<u>Answer:a. Since 20° is in the first quadrant, the reference angle is 20° .b. Reference Angle: the acute angle between the terminal arm/terminal side and the x-axis. The reference angle is always positive. In other words, the reference angle is an angle being sandwiched by the terminal side and the x-axis. It must be less than 90 degree, and always positive.</u>

<u>Answer:a. Since 20° is in the first quadrant, the reference angle is 20° .b. Reference Angle: the acute angle between the terminal arm/terminal side and the x-axis. The reference angle is always positive. In other words, the reference angle is an angle being sandwiched by the terminal side and the x-axis. It must be less than 90 degree, and always positive.c. The rays corresponding to supplementary angles intersect the unit circles in points having the same y-coordinate, so the two angles have the same sine (and opposite cosines).</u>

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8 0
2 years ago
Diane is participating in a 4-day cross-country biking challenge. She biked for 57, 67, and 45 miles on the first three days. Ho
ella [17]

Answer:

139

Step-by-step explanation:

57+67+45=169÷3=139

6 0
3 years ago
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