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PtichkaEL [24]
3 years ago
10

I don't understand this

Mathematics
2 answers:
mr Goodwill [35]3 years ago
6 0
The base is the bottom area . The perimeter is the outside. The surface is the total . The volume your supposed to multiply
Alexandra [31]3 years ago
4 0
What don’t u understand
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Solve for the x?????????
Nuetrik [128]

Answer:

17.96956941 =x

Step-by-step explanation:

tan theta = opposite side/ adjacent side

tan 38 = x /23

Multiply each side by 23

23 tan 38 = x/23 * 23

23 tan 38 = x

17.96956941 =x

7 0
4 years ago
A rectangle with sides of lengths 4/5 foot and 1/2 foot
Nadusha1986 [10]
The area would be .4 cubic feet. The perimeter would be 2.1
8 0
3 years ago
Please help, why is -3x+2y=8 equal y=3/2x+4<br> Im going to fail lol
Eduardwww [97]
-3x+2y=8
Steps:
1) Add 3x to both sides to get rid of it by the y.
2y=3x+8
2) Divide both sides by 2 to isolate the y.
y= 3/2x + 8/2
3) Simplify (divide 8 by 2)
y= 3/2x+4

Hope this helps!
8 0
3 years ago
There are 50 students in a class and their annual result is presented in the following table:
klemol [59]
It is a 1.16% chance the student failed- it is a 98.94% one passed 6/7 passsd- there is a 98.94% probablility it passed!
6 0
3 years ago
At an amusement park, the cost of 3 adult tickets and 4 children's tickets is $126.50. Another customer paid $120.50 for 2 adult
Viktor [21]

Answer: the cost of an adult ticket is $21.5

the cost of a child ticket is $15.5

Step-by-step explanation:

Let x represent the cost of an adult ticket.

Let y represent the cost of a child ticket.

At an amusement park, the cost of 3 adult tickets and 4 children's tickets is $126.50. It means that

3x + 4y = 126.5- - - - - - - - - - - -1

Another customer paid $120.50 for 2 adult tickets and 5 children's tickets. It means that

2x + 5y = 120.5- - - - - - - - - - - -2

Multiplying equation 1 by 2 and equation 2 by 3, it becomes

6x + 8y = 253

6x + 15y = 361.5

Subtracting, it becomes

- 7y = - 108.5

y = - 108.5/ - 7

y = 15.5

Substituting y = 15.5 into equation 1, it becomes

3x + 4 × 15.5 = 126.5

3x + 62 = 126.5

3x = 126.5 - 62

3x = 64.5

x = 64.5/3

x = 21.5

6 0
3 years ago
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