MATHEMATICS HIGH SCHOOL

What is the volume of the pyramid? A rectangular pyramid with a base of 8 centimeters by 6 centimeters and a height of 5 centimeters. 10 centimeters cubed 80 meters cubed 120 centimeters cubed 240 centimeters cubed

Answers

Answer 1
Answer:

Answer:

b

Step-by-step explanation:
Answer 2
Answer:

Answer:

b

Step-by-step explanation:

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Matilda is filling a circular section of her porch with colorful pebbles. She knows the diameter of the circular section is 15ft, and each bag of pebbles covers 10ft. How many bags of pebbles will Matilda need? A. 15 bags B. 16 bags C. 17 bags D. 18 bags

Answers

Answer:

D. 18 bags

Step-by-step explanation:

Given:

Matilda is filling a circular section of her porch with colorful pebbles.

Diameter of circular section = 15 feet.

Each bag of pebbles covers 10 square feet.

Question asked:

How many bags of pebbles will Matilda need?

Solution:

Diameter of circular section = 15 feet

Radius, r = (Diameter)/(2)=(15)/(2) =7.5\ feet

Area\ of\ circular\ section=\pi r^(2)

                                        =(22)/(7) *7.5*7.5=(1237.5)/(7)=176.78} \ square\ feet

10 square feet is covered by number of bag of pebbles = 1

1 square feet is covered by number of bag of pebbles = (1)/(10)

176.78 square feet is covered by number of bags of pebbles =  

(1)/(10)*176.78=17.67

We found up to 17 bags of pebbles there is still some place left to fill the section:-

Thus, Matilda need about 18 bags of pebbles to fill the  circular section of her porch.

What the fraction of a circle of 30 degree?

Answers

The required fraction of a circle of 30 degree is (1)/(12)

A circle consists of 360°, so we can write the fraction.

Which can be simplified to by dividing the numerator and denominator by 30degree.

Fraction circles are a set of nine circles of various colors.

Each circle is broken into equal fractional parts and uses the same-sized whole. The circles included are one whole as well as circles divided into halves.

Since a circle measures 360 degrees, (1)/(360) of it would be one degree, a very angle.

Fraction of a circle of 30 degree = Fraction of circle ÷ Total area of circle

Fraction of a circle of 30 degree = (30)/(360)

Fraction of a circle of 30 degree = (1)/(12)

Hence, The required fraction of a circle of 30 degree is (1)/(12).

For more information about Fraction of Circle click the link given below.

brainly.com/question/2501134
The fraction of 30 of a circle is 1/12

A park is in the shape of a rectangle 2 miles long and 1.5 miles wide. How much shorter if you walk diaganolly across the park rather than along two sides?

Answers

You can answer this by using Pythagoras theorem. Okay, let me draw this first.

            2 miles
               V
________________________
|                                        |
|                                        |
|                                        |   << 1.5 miles
|_______________________|  

^ Assume this is the rectangle. The long side is 2 miles while the shorter side is 1.5 miles.

So, to get the shortest distance, let's cut out a triangle from the rectangle. 

                                                         /|
                                                       /  |
                                                     /    |
What we want to find is this one >  /      |  << 2 miles
                                                  /        |
                                                /______|
                                                   ^ 1.5 miles (I know the size is not logical,but imagine                                                                       it please)

So to get the diagonal length = \sqrt{{a^(2) }+ b^(2)}
                                          =  \sqrt{{2^(2) }+ 1.5^(2)}
                                          =  2.5 miles

To calculate how much shorter = ( 2 miles + 1.5 miles) - 2.5 miles
                                             = 3.5 miles - 2.5 miles
                                             = 1.0 miles

Hope this help !

Answer:

idk

Step-by-step explanation:

What does the graph tell you about the value of a in this function f(x)=a(x+k)^1/n+ca. a is greater than zero
b. it is not possible to tell weather a is greater than or less than zero
c. a is less than zero

Answers

a. a is greater than zero
a is greater than zero

Find the value of x in the equation 4x - 11 = 11.

Answers

Answer:

x = 5.5

Step-by-step explanation:

4x - 11 = 11

4x = 11 + 11

4x = 22

x = 22/4 = 5.5

How do u check your answer for 4x+12-2x=26

Answers

Answer:

7

Step-by-step explanation:

4x+12-2x=26

Or, 2x=26-12

Or, 2x=14

Or, x=7
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