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Ad libitum [116K]
3 years ago
6

If the surface areas of two spheres are in ratio 16:9, then their volumes will be in the ratio​

Mathematics
1 answer:
Anna11 [10]3 years ago
8 0

Answer:

64 : 27

Step-by-step explanation:

If linear ratio is a : b , then

area ratio = a² : b²

volume ratio = a³ : b³

Given area ratio = 16 : 9 , then

linear ratio = \sqrt{16} : \sqrt{9} = 4 : 3

volume ratio = 4³ : 3³ = 64 : 27

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4) Dan had 199 dollars to spend on 7 books. After
IRINA_888 [86]

Answer:

The answer is that each book costs 26 dollars

Step-by-step explanation:

First we subtract 199 dollar from 7 =182

Then we divide 182 dollars to the seven book in order to find a unit =182/7=26

To prove this answer multiply 26 dollars than 7 books and see if the outcome is 182.Then subtract 199 from 182 and see if you got 17.

3 0
3 years ago
What is the volume of the regular pyramid?
ad-work [718]

Answer:

C

Step-by-step explanation:

The volume of the regular pyramid is V=\dfrac{1}{3}A_{base}H.

The base of given pyramid is regular hexagon with side 12 cm. The are of this hexagon consistsof area of 6 equilateral triangles and is equal to

A_{base}=6\cdot \dfrac{1}{2}\cdot 12\cdot 10.4=374.4\ cm^2.

Hence, the volume of the pyramid is

V=\dfrac{1}{3}\cdot 374.4\cdot 36=4,492.8\ cm^3.

7 0
3 years ago
To the nearest hundredth, what is the length of line segment AB ?
sladkih [1.3K]
The answer is 5.83
Use the Pythagorean Theorem to calculate the 3rd side length.
a^2+b^2=c^2
3^2+5^2=c^2
8 0
3 years ago
Find this in the graph g(-4) =
Radda [10]

Answer:

g(-4) = 1

General Formulas and Concepts:

<u>Algebra I</u>

  • Reading a Cartesian plane
  • Coordinates (x, y)
  • Function Notation

Step-by-step explanation:

What g(-4) is saying is what the output of the function g(x) when x= -4. According to the graph, when x = -4, y = 1.

∴ g(-4) = 1

5 0
3 years ago
Expanded form<br>a. 54896​
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6 0
3 years ago
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