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solmaris [256]
2 years ago
11

Which number(s) are 3 units from zero on a number line? 6 3 1\3 -3

Mathematics
1 answer:
MrRissso [65]2 years ago
8 0
3 & -3 are 3 units from zero
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8x-5y=21 simultaneous linear equation<br>2x+9y=-5
olya-2409 [2.1K]

Answer:

x=2 and y=-1

Step-by-step explanation:

If two equations are given, we can solve one of the equation in terms of single variable and put it in the other equation which will further give the value of x and y.

For the given equations:

8x-5y=21              Equation:1

2x+9y=-5             Equation:2

Solving equation multiply equation 2 with 4 on both the sides

8x+36y=-20        Equation 3

Subtracting Equation:3 from Equation:1

8x-5y-(8x+36y)=21-(-20)\\8x-5y-8x-36y=21+20\\-41y=41\\y=-1

Putting value of 'y' in Equation:2 which will give the value of x

2x+9y=-5\\2x+9(-1)=-5\\2x-9=-5\\2x=4\\x=2

8 0
3 years ago
The school that Stefan goes to is selling tickets to a choral performance. On the first day of ticket sales the school sold 3 se
Dominik [7]

Answer: the price of a senior citizen's ticket is $8.

the price of a child's ticket is $14

Step-by-step explanation:

Let x represent the price of a senior citizen's ticket.

Let y represent the price of a child's ticket.

On the first day of ticket sales, the school sold 3 senior citizen tickets and 1 child ticket for a total of $38. It means that

3x + y = 38- - - - - - - - - - - -1

The school took in $52 on the second day by selling 3 senior citizen and 2 child tickets. It means that

3x + 2y = 52- - - - - - - - - - - -2

Subtracting equation 2 from equation 1, it becomes

- y = - 14

y = 14

Substituting y = 14 into equation 1, it becomes

3x + 14 = 38

3x = 38 - 14 = 24

x = 24/3

x = 8

6 0
3 years ago
Cody and his friends started playing a game at 6:30 p.M. It took them it took them 47 minutes to finish the game at what time di
zaharov [31]

Answer:

7:17 PM

Step-by-step explanation:

Add another 30 minutes to 6:30 = 7:00 PM

    47-30 = 17

add the remaining 17 minutes to 7:00 = 7:17 PM

7 0
3 years ago
Which fraction is closer to than 1?<br> 7/8<br> 10/12<br> 12/14<br> 7/10
Zigmanuir [339]

Answer:

7/8

Step-by-step explanation:

The fraction closest to 1 is 7/8 because it is only 1/8 piece away from one.

3 0
3 years ago
write an integer for each situation explain the meaning of zero in each situation 3 miles below sea level
Tpy6a [65]
Zero would mean the sea level. Since three miles below sea level is -3, and 0-3 is -3.
4 0
3 years ago
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