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Dmitry [639]
3 years ago
15

Find the value of x and y and please show all work.

Mathematics
2 answers:
elena55 [62]3 years ago
6 0

Answer:

x=66

y=48

Step-by-step explanation:

because the two length is same, so the angle x= 66 will be same; y= 180-66-66=48

nata0808 [166]3 years ago
6 0

Step-by-step explanation:

x+y+66=180

66+66=132

180-132=48

66+48+66=180

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Ling lives 2 miles from school. It took him 15 minutes to bike from school to home. The first half of the distance he biked at a
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A) time = distance/speed
For the first half of the trip, the time used was
.. (1 mi)/(12 mi/h) = (1/12) h = 5 minutes
Then the last half of the trip took 10 minutes, 1/6 hour.
.. speed = distance/time
.. = (1 mi)/(1/6 h) = 6 mi/h

The speed for the last half of the trip was 6 mph.


b) The average speed was
.. (2 mi)/(1/4 h) = 8 mi/h

Ling's average speed was 8 mph.
8 0
3 years ago
A jumper in the long-jump goes into the jump with a speed of 12 m/s at an angle of 20° above the horizontal. How far does the ju
weeeeeb [17]

Answer:

x = 9.5 m

Step-by-step explanation:

Given:

This problem is based on 2D motion kinematics equations:

V_0 = 12 m/s

\theta = 20^0

g=9.8 m/s^2

At maximum height:

V_y = 0

Components of initial velocity:

V_0x = V_0 cos (\theta) =(12 )(cos (20^0)) = 11.3 m/s

V_0x = V_0 sin (\theta) = (12)(sin (20^0)) = 4.10 m/s

To find time to reach maximum height:

V_y = V_0y -gt

Plugging in the known values:

0 = 4.10 - 9.8t

t = \frac{-4.10}{-9.8}

t = 0.418 s

Total time = 2t = 2(0.418) = 0.836 s

to find horizontal distance covered:

x = (V_0x)(t)\\x = (11.3)(0.836)\\x = 9.5 m

8 0
3 years ago
You are running a fuel economy study. One of the cars you find is blue. It can travel 43 1/2 miles on 1 1/4 gallons of gasoline
nignag [31]

Answer:

Blue

Step-by-step explanation:

Blue = 43.5/1.25

34.8 mpg

Red = 21 3/5 / 4/5 = 21.6/0.8

27 mpg

4 0
2 years ago
A scale drawing for a plot of land is shown below.
Vitek1552 [10]

The area of real backyard is 72 square meters.

Step-by-step explanation:

Given,

Length of rectangular backyard = 8 cm

Width of rectangular backyard = 4 cm

According to scale;

2 cm = 3 m

1 cm = \frac{3}{2} = 1.5\ m

Real length of backyard = 8*1.5 = 12 m

Real width of backyard = 4*1.5 = 6 m

Real area of backyard = Length * Width

Real area of backyard = 12*6 = 72m²

The area of real backyard is 72 square meters.

Keywords: area, unit rate

Learn more about areas at:

  • brainly.com/question/12941985
  • brainly.com/question/12943520

#LearnwithBrainly

6 0
3 years ago
Can Someone Help Me With This I Beg You.​
ziro4ka [17]
Pyramid hope this helps
6 0
3 years ago
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