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katen-ka-za [31]
2 years ago
9

Ashish had a box of 117 books.

Mathematics
1 answer:
il63 [147K]2 years ago
4 0
117 - 13 = 114 books in each box
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Help I have to turn this in. In a couple hours
Gelneren [198K]

28. Surface Area

This is some sort of house-like model so for every face we see there's a congruent one that's hidden.  We'll just double the area we can see.

Area = 2 × ( [14×9 rectangle] + 2[15×9 rectangle]+[triangle base 14, height 6] )

Let's separate the area into the area of the front and the sides; the front will help us for problem 29.

Front =  [14×9 rectangle] + [triangle base 14, height 6]

          = 14×9 + (1/2)(14)(6) = 14(9 + 3) = 14×12 = 168 sq ft

OneSide =  2[15×9 rectangle] = 30×9 = 270 sq ft

Surface Area = 2(168 + 270) = 876 sq ft

Answer: D) 876 sq ft

29.  Volume of an extruded shape is area of the base, here the front, times the height, here 15 feet.  

Volume = 168 * 15 = 2520 cubic ft

Answer: D) 2520 cubic ft

6 0
2 years ago
A cone has a radius of 6 inches and a height of 20 inches. What is the exact volume of the cone? A) 720π in3 B) 80π in3 C) 240π
SIZIF [17.4K]
The answer is c. 240π
V=πr² h/3 =π×6²× 20/3 ≈753.98224
3 0
3 years ago
Read 2 more answers
7. Patrick tosses a penny and a number cube, with faces numbered 1 through 6, at the
lions [1.4K]

Answer:

B. 1/3 or 33.3%

Step-by-step explanation:

<em>H-</em> 1 ,2 ,3, 4, 5, 6

<em>T-</em> 1, 2, 3, 4, 5, 6

Multiples of <em>3:</em> 3, 6, 9, 12, etc..

<em>2/6 simplified is 1/3 </em>

So, the probability that the penny will land on heads and the number cube will land on a multiple of 3, is 1/3 or 33.3%

7 0
2 years ago
I need to a paint a spherical storage tank in the pool. it has a radius of 8 feet and the paint cans i brought will cover 75 squ
Alexxandr [17]
<h3>Answer:   11 cans</h3>

======================================================

Explanation:

SA = surface area of the sphere

SA = 4*pi*r^2

SA = 4*pi*8^2

SA = 804.247719

The surface area is roughly 804.247719 sq ft.

I used the calculator's stored version of pi to get the most accuracy possible.

Since 1 paint can covers 75 sq ft, divide that surface area over 75 to find out how many cans you need.

804.247719/75 = 10.72330292

Round up to the nearest integer to get 11

You'll have leftover paint, but it's better to go over the goal than come up short.

8 0
2 years ago
Question I’m ten and I’m homeschooled I don’t know what grade I’m supposed to be in so I was wondering if you knew?
Soloha48 [4]
Ummmm you should maybe ask your mom or dad
5 0
2 years ago
Read 2 more answers
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