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pshichka [43]
3 years ago
9

WILL AWARD BRAINLIEST!! PLEASE SHOW ALL WORK

Mathematics
1 answer:
adell [148]3 years ago
3 0
#18
The base area is 14 in ² 
The volume is 30.8 in ³ 
For a prism of any cross-sectional area,
Volume = base area * height
=>
30.8 = 14 * height
Solve for height
Height = 30.8/14 = 2.2 inches.

Ans. Joseph has to make the box 2.2 inches high.

19.  Hexagonal prism
Given 
Cross section area = 17.01 m ² 
Height = 16.2 m

Using above formula for volume,
Volume = 17.01 m ² * 16.2 m
=275.562 m ³ 

Answer: The volume of stone is 275. 56 m ³ approximately.

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Please help with math
Andru [333]

Answer:

Scale factor  = 3

Step-by-step explanation:

Using similar triangles

AT/AG = AB/AC

9/3 = x+10/3x-10

Cross multiply

3(x+10) = 9(3x-10)

Expand

3x+30 = 27x-90

3x-27x = -90 - 30

-24x = -120

x = 120/24

x = 5

For the larger triangle;

AC = 3x-10

AC = 3(5)-10

AC =15-10

AC = 5

AB = x+10

AB = 5+10

AB = 15

For the scale factor;

Since AT/AG = AB/AC

9/15 = 3/5

3*3/5*3 =3/5

Since the numerator and denominator of the larger triangle is multiplies by the same factor i.3 3. Hence the scale factor is 3

6 0
2 years ago
Which set of ordered pairs represents y as a function of x?
givi [52]
I think the answer is j
7 0
3 years ago
A tree that is 4 ft tall is growing at a rate of 1 ft each year a tree that is 12 feet tall is growing at a rate of 1/2 ft each
Andreyy89

Answer:

16 years

Step-by-step explanation:

Given data

For the first tree

let the expression for the height be

y=4+x--------------1

where y= the total height

          4= the initial height

          x= the number of years

For the second tree, the expression is

y=12+0.5x-------------2

Equate 1 and 2

4+x=12+0.5x

x-0.5x=12-4

0.5x= 8

x= 8/0.5

x=16

Hence it will take 16 years for both trees to have the same height

5 0
3 years ago
In a group of 21 students, 8 students take Art courses, 7 students take Music courses. Two students take both courses. A student
Blababa [14]
Since two people take both courses, we can subtract two from 7, 8, and 21, giving us 5, 6, and 19.

Add 5 and 6 together to get 11. Since eleven students are in those two groups, we can answer this. The answer will be 11/19.
3 0
3 years ago
What property describes the number sentence 6+0=6
kobusy [5.1K]
Additive Identity Property is the answer.

7 0
3 years ago
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