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liq [111]
3 years ago
9

Super easy points for you guys :) just need an answer

Mathematics
1 answer:
PIT_PIT [208]3 years ago
4 0

Answer:

3. Additive

4. x

5. Graph the linear line. Then, make the line dotted and shade below the line.

Step-by-step explanation:

3. Adding -15 to both sides to isolate the variable.

4.

-3x+8>2x-2\\5x

You might be interested in
In parallelogram DEFG, DH = x + 3, HF = 3y, GH = 3x – 3, and HE = 5y + 4. Find the values of x and y.
Ksju [112]
We have that in this case the following equalities are met:
 DH = HF
 x + 3 = 3y
 GH = HE
 3x - 3 = 5y + 4
 We then have the following system of equations:
 x-3y = -3
 3x-5y = 7
 Resolving the system graphically we obtain the following values:
 x = 9
 y = 4
 Note: see attached image.
 Answer:
 
The values of x and y are:
 
x = 9, y = 4

4 0
3 years ago
HELP Me please
-Dominant- [34]

Answer:

I belive its C not 100%

Step-by-step explanation:

3 0
3 years ago
Ron Co. sold sweatshirts ($20) and baseball caps ($10). If total sales were $2,860 and people bought 6 times as many sweatshirts
aksik [14]
Let the total number of sweatshirts sold be S and the total number of baseball caps sold be B
Total sales is the total number of sweatshirts sold times $20 plus the total number of baseball caps sold times 10. 
Equation 1: 20S + 10B = 2860
people bought 6 times as many sweatshirts as caps. Which means the number of sweatshirts sold (S) is 6 times caps sold(B) 
Equation 2:  S = 6B --- substitute S in equation 1 with 6B
=> 20(6B) + 10B = 2860
=> 120B + 10B = 2860
=> 130B = 2860 --- divide both side by 130 
=> B = 2860/130 
=> B = 22 --- is the number of caps sold. 
To find the number of sweatshirts sold we use equation 2
S = 6B --- but we know now B = 22
=> S = 6(22) 
=> S = 132 

therefore 132 sweatshirts sold and 22 baseball caps sold. 

7 0
3 years ago
Consider the quadratic equation x2 − 6x = 16.
e-lub [12.9K]

Answer:

  1. C) (x − 3)2 = 25
  2. C) Factor out 4 from 4x2 + 40x.

Step-by-step explanation:

1. Adding the square of half the x-coefficient to both sides of the equation will "complete the square." That square is 9, so the result on the right is 16+9 = 25. Only selection C matches.

___

2. To complete the square, you want to be able to put the quadratic into the form a(x -h)^2 = -k. For the purpose, it is most convenient to first factor "a" from the given quadratic. Then you can determine "-h" to be half the x-coefficient inside the parentheses.

Here, that looks like ...

  4(x² +10x) = 80 . . . . . . . . . . step 1: factor out 4

  4(x² +10x +25) = 180 . . . . . add 25 inside parentheses and the same number (4·25) on the right side of the equation

  4(x +5)² = 180 . . . . . . . . . . . written as a square

8 0
3 years ago
Which expressions are equivalent to 3(x + 3y + 2x − y )?
valina [46]
3(3x+2y) and 9x+6y.....
5 0
3 years ago
Read 2 more answers
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