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sergij07 [2.7K]
2 years ago
9

Solve the linear equations below by using:

Mathematics
1 answer:
bija089 [108]2 years ago
4 0
A. Y= -7
X=2
4x+2y=-6
+(3x-2y=-8
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As a salesperson, you are paid $100 per week plus $3 per sale. This week you want your pay to be at least $160. Write an inequal
Svet_ta [14]
First, you would need to create an equation for this problem. Let x represent the number of sales made. 
$100 + $3x = $160

Next, you would need to isolate the x. 

Subtract $100 from both sides. 
$3x = $60

Now, all you would need to do is divide both sides by $3. 
x = 20

You would need to make at least 20 sales. 

I hope this helps!

3 0
4 years ago
Which expression is equivalent n + n - 0.24n?​
Vsevolod [243]

Answer:

Without seeing the expressions that you can choose from, I can't tell you which one is correct, but I can tell you that n + n - 0.24n is equal to 1.76n

8 0
3 years ago
У - (-3y)<br><br> Iam confused on how to do this
jeyben [28]

Answer:

The answer is 4y.

Step-by-step explanation:

First you would solve the parentheses, which would be -1(-3y) which would equal positive 3y, and y+3y=4y. I apologize if I misunderstood the problem ^^

8 0
3 years ago
1 point
pshichka [43]

Answer:

96 yards

Step-by-step explanation:

This is basically just a huge addition problem that we can tackle (heh) in our heads.

If we gain yards, then we add.

If we lose yards, then we subtract.

If we started out at 50, the expression is

50 + 7 + 2 - 1 + 4 - 5 + 27 + 4 + 5 + 0 + 3 - 2 - 1 + 1 + 2.

We can use the associative property of addition to simplify this. I'm just grouping together things that look easy to do in my head.

50 + (7 + 2) - 1 + 4 - 5 + (27 + 4) + (5 + 0 + 3) (- 2 - 1) + (1 + 2)\\\\50 + 9 - 1 + 4 - 5 + (31 + 8) (-3 + 3)\\\\(50 + 9) - 1 + 4 - 5 + 39 \\\\59 - 1 + 4 - 5 + 39 \\\\58+4 + (-5+39)\\\\62+34\\\\96

Hope this helped!

3 0
3 years ago
A. x = 2, y =6<br> B. x = 2, y =3<br> C. x =-2, y =3<br> D. x = -3, y =2
Vsevolod [243]

Answer:

the answer is

A. X=2, y=6

Step-by-step explanation:

use substitution

y= 6 so,

y-3 = 6-3 which is 3

and y-1 = 6-1 which is 5

now for x

x=2

x+3= 2+3 which is 5

2x-1= 2(2)-1

2 times 2 is 4

4-1 = 3


7 0
3 years ago
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