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nekit [7.7K]
4 years ago
6

3x2 + 7x+3 5x2 + 12x

Mathematics
2 answers:
MaRussiya [10]4 years ago
6 0

Final result :

 19x2 + 119x - 28

 ————————————————

        7        

rodikova [14]4 years ago
6 0

The Answer is 19x+20

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-8x – 14 = 7(-2 - 4x) + 4x<br> what is
Andru [333]

Answer:

<h2>x = 0</h2>

Step-by-step explanation:

-8x-14=7(-2-4x)+4x\qquad\text{use the diastributive property}:\ a(b+c)=ab+ac\\\\-8x-14=(7)(-2)+(7)(-4x)+4x\\\\-8x-14=-14-28x+4x\qquad\text{add 14 to both sides}\\\\-8x-14+14=-14+14-24x\\\\-8x=-24x\qquad\text{add}\ 24x\ \text{to both sides}\\\\-8x+24x=-24x+24x\\\\16x=0\qquad\text{divdie btoh sides by 16}\\\\\dfrac{16x}{16}=\dfrac{0}{16}\\\\x=0

8 0
3 years ago
Question three (1 point)
laila [671]

Answer:

B. (-2,-3)

Step-by-step explanation:

we know that

If a ordered pair is a solution of  a linear equation. then the ordered pair must satisfy the linear equation

In this problem we have

7x-5y=1

<u>verify each case</u>

case A) (-3,-2)

substitute the value of x and the value of y in the linear equation and then compare

7(-3)-5(-2)=1

-11=1 -----> is not true

therefore

The ordered pair case A) is not a solution

case B) (-2,-3)

substitute the value of x and the value of y in the linear equation and then compare

7(-2)-5(-3)=1

1=1 -----> is true

therefore

The ordered pair case B) is a solution

case C) (0,4)

substitute the value of x and the value of y in the linear equation and then compare

7(0)-5(4)=1

-20=1 -----> is not true

therefore

The ordered pair case C) is not a solution

case D) (4,0)

substitute the value of x and the value of y in the linear equation and then compare

7(4)-5(0)=1

28=1 -----> is not true

therefore

The ordered pair case D) is not a solution

7 0
4 years ago
Naomi's bill for breakfast at a restaurant was $82.She left a15% tip. What was the amount of the tip?
AnnZ [28]

Answer:

12.30

Step-by-step explanation:

82*.15=12.30

6 0
3 years ago
Dolly's best ski time is 76 seconds this time is 1 1/3 times the best time score by Andrew what is Andrews best ​
RUDIKE [14]

Answer:

answer is here

Step-by-step explanation:

https://www.mathpapa.com/algebra-calculator.html

7 0
3 years ago
Simplify the one step equation
MAVERICK [17]
X ≤ 40
the answer to the question
5 0
3 years ago
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