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alexandr1967 [171]
2 years ago
11

Math help pls pls help urgent

Mathematics
1 answer:
erastova [34]2 years ago
4 0

Step-by-step explanation:

what is the problem ? what needs to be done ?

all that you are showing here is the definition of a number range.

it means all numbers, for which 1.3 is smaller or equal.

in short, all numbers that are greater or equal to 1.3.

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A cylindrical water tank's height is 48 feet and the diameter is 30 feet. Considering that 1 cubic yard = 202 gallons, how many
solmaris [256]

Answer:

The answer to your question is the letter C. 253712 gallons

Step-by-step explanation:

Data

height = 48 ft

diameter = 30 ft

1 yd³ = 202 gallons

π = 3.14

the number of gallons = ?

Process

1.- Write the formula to calculate the volume of a cylinder.

Volume = πr²h

2.- Calculate the volume

Volume = (3.14)(30/2)²(48)

-Simplification

Volume = (3.14)(225)(48)

-Result

Volume = 33912 ft³

3.- Convert ft³ to yd³

            1 yd³ -------------- 27 ft³

            x       ------------- 33912 ft³

            x = (33912 x 1)/ 27

            x = 33912 / 27

            x = 1256 yd³

4.- Convert yd³ to gallons

          1 yd³ --------------- 202 gallons

   1256 yd³ ---------------  x

          x = (1256 x 202) / 1

         x = 253712 gallons

7 0
3 years ago
Find the volume of a pyramid with a square base, where the side length of the base is
vivado [14]

Answer:

Volume of the pyramid =  927.72 m² (Approx)

Step-by-step explanation:

Given:

Length of base = 16.6 m

Height of the pyramid = 10.1 m

Find:

Volume of the pyramid = ?

Computation:

Area of the square base = Side²

Area of the square base = (16.6)²

Area of the square base = 275.56 m²

Volume\ of\ the\ pyramid = \frac{1}{3}(Area\ of\ base)(Height)\\\\Volume\ of\ the\ pyramid = \frac{1}{3}(275.56)(10.1)\\\\Volume\ of\ the\ pyramid = 927.7186

Volume of the pyramid =  927.72 m² (Approx)

3 0
3 years ago
Write the equation of a vertical ellipse with a major axis of 20, a minor axis of 12, and a center of (6, 3)
maksim [4K]

Answer:

The equation of a vertical ellipse is  \frac{(x-6)^2}{100} + \frac{(y-3)^2}{36}   = 1\\

Step-by-step explanation:

Here, given:

Length of major axis:  20

⇒ 2 a  = 20  , or , a = 10

Length of minor axis:  12

⇒ 2 b  = 12  , or , b = 6

Also, center (h,k)  = (6,3)

Now, STANDARD EQUATION OF ELLIPSE :

\frac{(x-h)^2}{a^2} + \frac{(y-k)^2}{b^2}   = 1\\

Now, substituting the values, a, b , h and k in above expression, we get:

\frac{(x-6)^2}{10^2} + \frac{(y-3)^2}{6^2}   = 1\\

or, \frac{(x-6)^2}{100} + \frac{(y-3)^2}{36}   = 1\\

Hence, the equation of a vertical ellipse is  \frac{(x-6)^2}{100} + \frac{(y-3)^2}{36}   = 1\\

3 0
3 years ago
Farmers often plant crops in circular areas because one if the most efficient watering systems for crops provides water in a cir
Nesterboy [21]

Answer:

A

Step-by-step explanation: Scale Factor is defined as a ratio between the actual figure to that of the other figure.

And as it is clearly given in the question that 2 cm of length corresponds to 100 meters so the ratio comes out to be 1:50.

So the scale factor of the actual farm to the photo is A that is 1 to 50.


8 0
3 years ago
PLEASE HELP ITS DUE TODAY!!!
Flura [38]

6/8 = p/12= tan∅

so p= 9

brainliest

4 0
3 years ago
Read 2 more answers
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