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Sunny_sXe [5.5K]
3 years ago
10

How do I solve 2.39 x 2.7

Mathematics
1 answer:
lbvjy [14]3 years ago
4 0
Standard algorithm and the answer is 6.4530
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A survey team is trying to estimate the height of a mountain above a level plain. From one point on the plain, they observe that
Alex73 [517]

Answer:  3528.25

Step-by-step explanation:Make a sideview sketch

you should have 2 triangles, one right-angled containing the height and a scalene triangle with angles 24° , 153° (the supplement of 27°) and 3°

the side opposite the 3° angle is 1000

by let the side opposite the 24° be x, (also the hypotenuse of the right-angled triangle)

x/sin24 = 1000/sin3

x = 1000sin24/sin3

let the height of the mountain be h

sin 27 = h/x

h = x sin27 = (1000sin24/sin3)(sin27)

= 3528.25

8 0
3 years ago
Can someone plz help me with this one problem plz!!!
Vlad [161]

Answer:

Yes it does because 985 is equal to 985.

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3 years ago
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The area of a bedroom is 150 ft.² theory of a scale drawing is 6 in.² what is the scale factor
Kipish [7]

Answer:

900

Step-by-step explanation:

7 0
3 years ago
Six pyramids are shown inside of a cube. The height of the cube is h units. Six identical square pyramids can fill the same volu
Amiraneli [1.4K]

The height of squared pyramid is \frac{1}{3}h unit.

<h3>What is the volume of a cube?</h3>

A cube is a solid three-dimensional object with six square faces or sides, three of which meet at each vertex. One of the five Platonic solids, the cube is the only regular hexahedron. It contains 8 vertices, 6 faces, and 12 edges.

Volume of cube = (side)^3 \ unit^3

Given the height of cube is h unit.

Volume of cube is h^3 \ unit^3

Let the height of squared pyramid is x unit

Volume of squared pyramid is \frac{1}{3} h^{2} \times x \ unit^3

According to the question, we have

Volume of cube = 6 \times volume of squared pyramid

\Rightarrow h^3=6 \times \frac{1}{3}h^2 \times x\\\Rightarrow h^3=2 \ h^2 \times x\\\Rightarrow h=2x\\\Rightarrow x= \frac{1}{2}h

Therefore, the height of squared pyramid is \frac{1}{3}h unit.

To learn more about squared pyramid from the given link

brainly.com/question/27476449

#SPJ4

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2 years ago
The notebook shows the money Lisa earned and spent on her first day selling kale at the
-Dominant- [34]

Answer:

Step-by-step explanation:

7 + (-5)= 2

3 0
3 years ago
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