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Dima020 [189]
3 years ago
13

Have yall ever seen an alien?

Mathematics
2 answers:
SIZIF [17.4K]3 years ago
8 0

nope have u I sure haven't

Thanks for points

Kobotan [32]3 years ago
4 0

Answer:

No

Step-by-step explanation:

They are not real un my opinion

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the perimeter of an equilateral triangle is 39 centimeters. What is the length of an altitude of the triangle ?​
victus00 [196]

Answer: h = 11.26cm

Step-by-step explanation:

Equilateral triangle has equal sides, let the side be xcm , then the perimeter is 3x

Therefore:

3x = 39

x = 39/3

x = 13cm

To find the altitude , we will apply Pythagoras theorem , that is

13^{2}=h^{2}+6.5^{2}

Therefore:

h^{2}=13^{2}-6.5^{2}

h^{2}=169-42.25

h^{2}=126.75

take the square root of both sides

h = 11.26cm

8 0
3 years ago
Brooklyn Bridge is 5,985 ft long and 85 ft wide. What distance is one sixth of its length
I am Lyosha [343]

Answer:

The distance is 997.5 ft.

Step-by-step explanation:

Given:

Length of Brooklyn Bridge = 5,985 ft.

Width of Brooklyn Bridge = 85 ft.

We need to find the Distance

Distance = \frac{1}{6}\times lenght

Substituting the value of length to find distance we get;

Distance = \frac{1}{6}\times 5985 = 997.5 ft.

Hence Distance is 997.5 ft.

5 0
3 years ago
Joe walks 3 miles east and then 1/2 mile west. It took him an hour, what was his average speed?
zalisa [80]

Answer:

3.5 / 1 = 3.5 mph hope this helps....

Step-by-step explanation:


8 0
3 years ago
Instructions: Given the following image of two parallel lines cut by a transversal, find the value of x.​
Leya [2.2K]

Answer:

X=6

Step-by-step explanation:

10x-5=9x+1

x-5=1

x=6

8 0
2 years ago
Read 2 more answers
How many solutions does this linear system have y= 1/2x+4 <br> x+2y=-8
lara [203]

Answer:

1 solution

Step-by-step explanation:

y = 1/2x + 4  

x + 2y = -8

Solve the second equation for y.

2y = -x - 8

y = -1/2x - 4

The two equations in slope-intercept form are:

y = 1/2x + 4

y = -1/2x - 4

The system consists of two lines with different slopes, so they intercept at a single point which is the solution.

Answer: 1 solution

4 0
3 years ago
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