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Nookie1986 [14]
3 years ago
10

Find the value of the variable.

Mathematics
2 answers:
UNO [17]3 years ago
7 0

Answer:

x=8

base side of isosceles triangle

y=√{8²+8²}=8√2

Zielflug [23.3K]3 years ago
3 0

Answer:

x = 8, y = 8\sqrt{2}

Step-by-step explanation:

a^2+b^2=c^2

8^2+8^2=c^2      Both 8 and x sides are congruent so they're equal.

64+64=c^2      Add 64 + 64.

c^2=128           Square root 128

c^2=8\sqrt{2}

Final answers: x = 8, y = 8\sqrt{2}

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An escalator lifts people to the second floor of a building, 25 ft above the first floor. The escalator rises at a 30o angle. To
melamori03 [73]

Answer:

a person travel 50 ft from the bottom to the top of the escalator

Step-by-step explanation:

An escalator lifts people to the second floor of a building, 25 ft above the first floor. The escalator rises at a 30 degree angle

The escalator forms a right angle triangle

opposite to 30 degree angle is 25 feet. to find the distance from the bottom to the top of the escalator we find the hypotenuse

let x be the hypotenuse

sin(theta)=\frac{opposite}{hypotenuse}

sin(30)=\frac{25}{x}\\x sin(30)= 25\\x=\frac{25}{sin(30)} \\x=50\\

a person travel 50 ft from the bottom to the top of the escalator

6 0
3 years ago
Help me please !!!!!!!! I DON'T KNOWWWWWWWWWW
r-ruslan [8.4K]

Answer:

m<1= 120

Step-by-step explanation:

1. we know supplementary angles equals 180. the angle 130 is part of a supplementary angle so we can subtract it by 180 to see that missing angle.

2. we also know that all triangles three angles add up to 180. So if we add the number we know 70+50 (50 is from subtracting 130 from 180), Once we find that answer, we subtract it from 180 to find angle 2 which is 60 degrees

3. Last step, angle 2 is part os a supplementary angle in which the two angles add up to 180. So, subtracting 60 from 180 will get you the degree of the angel one which his 120 degrees.

7 0
4 years ago
A conical perfume bottle has a radius of 3.7 centimeters and a height of 5.4 centimeters. Using 3.14 for , approximately how muc
lianna [129]

Answer: 41.80 cubic cubic centimeters of perfume

4 0
3 years ago
What is the estimate for 612x87
Sophie [7]
Do 610x90 which equals 54900
4 0
3 years ago
Can anyone answer this?
Sati [7]

Answer:

3 yd, 5 ft, 8 ft

Step-by-step explanation:

hope that helps


3 0
3 years ago
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