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labwork [276]
4 years ago
7

Simplify fully 2x(x+1)-3(x-5)

Mathematics
2 answers:
ser-zykov [4K]4 years ago
6 0

2x(x+1)-3(x-5)

2x^2+2x-3x+15

2x^2-x+15

Answer: 2x^2-x+15

Tems11 [23]4 years ago
6 0
2x(x+1)-3(x-5)

2x^2-2x-3x+15

Answer: 2x^2-5x+15
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Share R86,70 in the ratio 2 : 1​
rusak2 [61]

Answer:

2:1

2=5780

1=2890

Step-by-step explanation:

2/2+1=2/3×86,70=5780

1/2+1=1/3×8670=2890

4 0
3 years ago
What is the value of n in the equation (2n + 4) + 6 = -9 + 4(2n
Neko [114]

Answer:

5/2

Step-by-step explanation:

(2n+4)+6=-9+4(2n+1)

2n+4+6=-9+8n+4

2n+10=-9+8n+4

2n-8n=-9+4-10

-6n=-5-10

-6n=-15

6n=15

n=15/6

simplify

n=5/2

5 0
3 years ago
What is the quadratic regression equation that fits these data?
ruslelena [56]

Answer:

Step-by-step explanation:

The answer is D. Use the Stat and then Edit button on your TI calculator to edit the values in L1 and L2 tables. In L1 enter 0, 1, 2, 3, 4, 5 and then arrow over and enter the y values into L2 the same way. Enter the number 12, then hit enter; enter the number 14, hit enter; enter the number 15 and then hit enter, etc. Do the same for the values that are going into L1.

When that is done, hit the Stat button again and arrow down to QuadReg and hit enter. Depending upon your calculator, you may have to arrow down to "calculate" or the calculator may display the equation immediately after hitting QuadReg. Again, it all depends upon your calculator.

5 0
3 years ago
Read 2 more answers
Help me with this and explain
Contact [7]
$5 dollars is the answer
7 0
3 years ago
Read 2 more answers
How can i find the slope of the line through each pair of points of (-4,7) , (-6,-4)
STALIN [3.7K]

Answer:

Use the slope formula.

Step-by-step explanation:

1. The slope formula is in the form of y2-y1/x2-x1.

2. Use one set of points as (x1, y1), and the other as (x2, y2).

3. Plug the points into the corresponding values of the slope formula.

4. Solve.

5. Your answer is -2/11.

4 0
3 years ago
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