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LekaFEV [45]
2 years ago
8

Please help it’s due in 7 minutes

Mathematics
1 answer:
tino4ka555 [31]2 years ago
6 0

9514 1404 393

Answer:

  x = 8

  y = 4sqrt(3)

Step-by-step explanation:

Your knowledge of special triangles tells you the side ratios of a 30°-60°-90° right triangle are ...

  1 : √3 : 2 = 4 : y : x

Multiplying the reduced ratios by 4 gives ...

  4 : y : x = 4 : 4√3 : 8

That is, ...

  x = 8

  y = 4√3

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-8s-28>4 is what? I have to solve for s​
anyanavicka [17]

Answer:

Step-by-step explanation:

-8s-28>4

-8s-28+28>4+28

-8s>32 we divide by 8

-s>4 we multiply by -1 and we will change the sign because of this

s<-4

4 0
2 years ago
Read 2 more answers
What is the ​ IQR ​ for the data set? {31, 30, 40, 35, 48, 44, 25} Drag and drop the correct answer into the box.
Kitty [74]

Answer:

B

Step-by-step explanation:

IQR is the higher qurtile subtracted by the lower qurtile so higher is 40 and lower is 20 so 14

Hope this helps have a great day:)

4 0
2 years ago
Someone help please please someone
aev [14]

(1-52/2+5)=(1-26+5)=(-25+5)=-20

continuing:

-20*2*6*6= -40*6*6=-240*6=-1440

result: -1440

6 0
2 years ago
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A heavy rope, 30 ft long, weighs 0.4 lb/ft and hangs over the edge of a building 80 ft high. Approximate the required work by a
gizmo_the_mogwai [7]

Answer:

180 fb*lb

45 ft*lb

Step-by-step explanation:

We have that the work is equal to:

W = F * d

but when the force is constant and in this case, it is changing.

 therefore it would be:

W = \int\limits^b_ a {F(x)} \, dx

Where a = 0 and b = 30.

F (x) = 0.4 * x

Therefore, we replace and we would be left with:

W = \int\limits^b_a {0.4*x} \, dx

We integrate and we have:

W = 0.4 / 2 * x ^ 2

W = 0.2 * (x ^ 2) from 0 to 30, we replace:

W = 0.2 * (30 ^ 2) - 0.2 * (0 ^ 2)

W = 180 ft * lb

Now in the second part it is the same, but the integral would be from 0 to 15.

we replace:

W = 0.2 * (15 ^ 2) - 0.2 * (0 ^ 2)

W = 45 ft * lb

6 0
3 years ago
What is 86/0.4 Please Help
IrinaK [193]

Answer:

2150

Step-by-step explanation:

86/.4=2150

5 0
3 years ago
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