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stellarik [79]
3 years ago
13

What is (−2) ( 3 4 /7 ) ?

Mathematics
1 answer:
Ivahew [28]3 years ago
3 0

Answer:-7 1/7 or -7.14285714286

Step-by-step explanation:

(−2) ( 3 4 /7 )

(-2)(25/7)

(-50/7)

-7 1/7

Or in decimals: -7.14285714286

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makvit [3.9K]

Answer:

- Parallelogram has two pairs of parallel sides.

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Step-by-step explanation:

5 0
2 years ago
Evaluate. (5.2 + 3) × (6.4 - 1.4) ​
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Answer: 41

Hope this helps ^W^
8 0
3 years ago
Read 2 more answers
A cone and a cylinder have the same radius and height. The volume of the cone is 100π (pi) cubic feet. What is the volume of the
murzikaleks [220]

Answer:

The volume of the cylinder is 300\pi cubic feet.

Step-by-step explanation:

From Geometry we remember that volumes of a cone and a cylinder with the same radius (R), measured in feet, and height (h), measured in feet, are defined by the following equations:

Cone

V_{co} = \frac{1}{3}\pi\cdot R^{2}\cdot h (1)

Cylinder

V_{cy} = \pi\cdot R^{2}\cdot h (2)

The ratio of the volume of the cylinder to the volume of the cone is:

\frac{V_{cy}}{V_{co}} = 3 (3)

If we know that V_{co} = 100\pi\,ft^{3}, then the volume of the cylinder is:

V_{cy} = 3\cdot V_{co}

V_{cy} = 300\pi\,ft^{3}

The volume of the cylinder is 300\pi cubic feet.

3 0
3 years ago
33) Find the volume of the triangular pyramid to the nearest whole number.
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Answer:

its b  because i took a test

Step-by-step explanation:

3 0
3 years ago
A cardboard sheet is cut in the shape of a triangle, with vertices at (0,0), (20,0), and (3,4) units. the thickness of the sheet
kenny6666 [7]
This problem can be solved in two ways, the long way, or the short way.

1. The long way
We know that the base of the triangle is along the x-axis, and the length of the base is 20.
The centre of mass is located at 2/3 of the distance from vertex (3,4) along the median, which cuts the base at (10,0).
Therefore the centre of mass is located at
x=3+(10-3)*2/3=23/3
y=4/3

2. The short way
It turns out that the centre of mass of a triangle sheet is located at the mean of the coordinates of the three vertices, i.e.
CG=((0+20+3)/3, (0+0+4)/3)=(23/3, 4/3)  as before.
6 0
3 years ago
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