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inysia [295]
1 year ago
12

LOOK AT PICTURE BELOW

Mathematics
1 answer:
julia-pushkina [17]1 year ago
4 0
In step 1 the difference of 1.5x(-3.2) & 1.5x(2.5) should be written as a sum. Hope that’s right :).
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Determine the volume and the total surface area of the square pyramid.if its perpendicular height is 12cm and square length is 5
Vika [28.1K]

Answer:

Volume = 100 cm³

​Surface area of the square pyramid = 145 cm²

Step-by-step explanation:

Given:

Perpendicular height = 12cm

Square length = 5cm

Find:

Volume

​Surface area of the square pyramid

Computation:

Area of base = side²

Area of base = 5²

Area of base = 25 cm²

Volume = (1/3)(A)(h)

Volume = (1/3)(25)(12)

Volume = 100 cm³

​Surface area of the square pyramid = A + 1/2(P)(h)

Perimeter square pyramid = 4(s)

Perimeter square pyramid = 4(5)

Perimeter square pyramid = 20 cm

​Surface area of the square pyramid = 25 + 1/2(20)(12)

​Surface area of the square pyramid = 145 cm²

3 0
2 years ago
There are 9 teachers and 5 aides at the Hills Elementary School. What is the ratio of teachers to all adults?​
nexus9112 [7]

Answer:

C. \frac{9}{14} , 9:14 , or 9 to 14

Step-by-step explanation:

With there being 9 teachers and 5 aides, the total number of adults is 14, leaving a fraction of \frac{9}{14} , 9 teachers and 14 adults. Checking to simplify, there are no shared values by 9 and 14, so it is in it's simplest form.

7 0
3 years ago
Pls help me pls i need help :)
goldenfox [79]

Answer:

10

Step-by-step explanation:

7 0
3 years ago
The probability of choosing a 6 at random from a standard deck of playing cards is 1/13 what is the complement of the event of c
tekilochka [14]
To find the complement of an event you have to figure out what the probability is of not choosing a 6 
since 1/13 is the probability that 6 is going to be choosen. 
the other 12/13 is used for every other card accept for the 6:)
hope this is right
have a good one:)

merry Christmas:)
5 0
2 years ago
The cylindrical container is four-fifths full of powder. Round to the nearest tenth if necessary. a. The total capacity of the c
mezya [45]

Answer:

a. \pi r^2h

b. \frac{4\pi r^2h}{5}

Step-by-step explanation:

Volume of the container denotes its quantity. It is a three-dimensional space.

Let V denotes the volume of the container, h denotes the height of the container and r denotes the radius of the container.

a.

The total capacity of the container in terms of π is \pi r^2h<u />

b.

As the cylindrical container is four-fifths full of powder, so the volume of the powder in terms of π is \frac{4}{5}\times volume of the container i.e., \frac{4\pi r^2h}{5}

4 0
3 years ago
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