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Sergeu [11.5K]
3 years ago
15

Find the volume of a pyramid with a square base, where the side length of the base is 6.1\text{ m}6.1 m and the height of the py

ramid is 4.7\text{ m}4.7 m. Round your answer to the nearest tenth of a cubic meter.
Mathematics
1 answer:
Ilya [14]3 years ago
7 0

Answer:

58.3m^3

Step-by-step explanation:

volume of a pyramid = 1/3 x length x width x height

1/3 x (6.1 x 6.1 x 4.7) = 58.3 m^3

the tenth is the first number after the decimal place. To convert to the nearest tenth, look at the number after the tenth (the hundredth). If the number is greater or equal to 5, add 1 to the tenth figure. If this is not the case, add zero

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What is greater .5 or .126
levacccp [35]

Answer:

<h2>0.5</h2>

Step-by-step explanation:

0.5 = 0.500

<em>you can add as many as you want 0 after the decimal point. This will not change the value of the number</em>

126 < 500

Therefore

0.126 < 0.500

6 0
4 years ago
What is the range the 3rd side of the triangle can be with sides 15 cm and 14 cm?
lawyer [7]

Answer: if you are referring to a right triangle the third side might be 20.5cm

Step-by-step explanation:

I just used Pythagorean theorem  in which c^2=a^2+b^2

so this is c^2= 225 + 196 and then you get c^2= 421 and finally you get the square root of 421 so this way you finally get 20.5 cm

Hope I helped

Pdt: a=15   b=14

7 0
4 years ago
Dominic packed 50 unit cubes into a prism, as shown. Which statement about the volume of the box is true?
blondinia [14]
<h3>Answer:</h3>
  • The volume is greater than 50 cubic units
<h3>Step-by-step explanation:</h3>

The figure shows that 50 cubes do not fill the box. There are 10 empty locations where cubes could be put.

The figure also shows the dimensions of the box to be 4 units by 5 units by 3 units, so we know it will have a volume of ...

  (4·5·3) units^3 = 60 units^3

The volume is greater than 50 cubic units.

5 0
3 years ago
Find the value of x and y for the equation x+y5 7x+9y=6
Nastasia [14]

Answer:

x = \frac{39}{2}

y = -\frac{29}{2}

Step-by-step explanation:

Given

x + y= 5 --- (1)

7x + 9y = 6 ---- (2)

Required

Find x and y

Make x the subject in (1)

x + y= 5

x = 5 - y

Substitute 5- y for x in (2)

7x + 9y = 6

7(5 - y) + 9y = 6

Open bracket

35 -7 y + 9y = 6

Collect like terms

-7y + 9y = 6   - 35

2y = -29

Divide both sides by 2

y = -\frac{29}{2}

Substitute this for y in x = 5 - y

x = 5 - (-\frac{29}{2})

x = 5 +\frac{29}{2}

L.C.M

x =\frac{10+29}{2}

x = \frac{39}{2}

6 0
3 years ago
Evaluate the expression 3√64
Genrish500 [490]

Answer:

4

Step-by-step explanation:

We want the cubed root of 64  

(64)^(1/3)  

(4*4*4) ^ (1/3)  

4  

Unless this is 3 * sqrt(64)  

then it would be  

3 sqrt(8*8)  

3 (8)  

24

8 0
3 years ago
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