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-BARSIC- [3]
2 years ago
13

(x+3)(2x-1) whats the product im sooo confused

Mathematics
2 answers:
Elodia [21]2 years ago
8 0

Answer: 2x

​2

​​ +5x−3

Step-by-step explanation:

2x

​2

​​ −x+6x−3

2x

​2

​​ +(−x+6x)−3

trapecia [35]2 years ago
4 0

Answer:

2 {x}^{2}  + 5x - 3

Step-by-step explanation:

1) multiply the the parentheses

2) calculate the products

3)collect like terms

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I am stuck at this question​
Marrrta [24]

Answer:

Step-by-step explanation:

B(2,10); D(6,2)

Midpoint(x1+x2/2, y1+y2/2) = M ( 2+6/2, 10+2/2) = M(8/2, 12/2) = M(4,6)

Rhombus all sides are equal.

AB = BC = CD =AD

distance = √(x2-x1)² + (y2- y1)²

As A lies on x-axis, it y-co ordinate = 0; Let its x-co ordinate be x

A(X,0)

AB = AD

√(2-x)² + (10-0)² = √(6-x)² + (2-0)²

√(2-x)² + (10)² =  √(6-x)² + (2)²

√x² -4x +4 + 100 =  √x²-12x+36 + 4

√x² -4x + 104 =  √x²-12x+40

square both sides,

x² -4x + 104 =  x²-12x+40

x² -4x - x²+ 12x = 40 - 104

             8x = -64

               x = -64/8

               x = -8

A(-8,0)

Let C(a,b)

M is AC midpoint

(-8+a/2, 0 + b/2)  = M(4,6)

     (-8+a/2, b/2)  = M(4,6)

Comparing;  

-8+a/2 = 4          ; b/2 = 6

  -8+a = 4*2       ; b = 6*2

  -8+a = 8          ; b = 12

        a = 8 +8

       a = 16

Hence, C(16,12)

6 0
3 years ago
A piece of fabric costs $5.29 a yard which is estimated cost of 16.3 yards of fabric
Cloud [144]

Answer:

your estimate would be $86.22

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Find the slope and y-intercept for the table.<br><br><br><br> slope: <br><br> y-intercept:
Volgvan

Answer: 5 y=5

x=3

Step-by-step explanation:

3 0
2 years ago
Simplify the radical expression 5√7+2√175
yanalaym [24]
5\sqrt{7} + 2\sqrt{175}=5\sqrt{7}+2\sqrt{25 \cdot 7}=5\sqrt{7}+ 2 \cdot \sqrt{25} \cdot \sqrt{7}= \\ \\ = 5\sqrt{7}+2 \cdot 5 \cdot \sqrt{7}=5\sqrt{7}+10\sqrt{7}=\boxed{15\sqrt{7}} \approx 39.69

remember about formula \sqrt{ab} = \sqrt{a} \cdot \sqrt{b}
5 0
3 years ago
Please help im so lost Ty btw
klasskru [66]

Answer:

1) gradient  (00) (-2 4) = y2-y1 / 2-1 = 4/-2 = -2  m = -2/1  means = m = -2  (negative slope)   2)  gradient  y2-y1 / x2-x1 = 3-0 / 2-0  = 3/2 = (1 1/2)/1   m = 1 1/2  (positive slope) we use the formula y-values divided by the change in the x-values.    The equation of the gradient each goes like this 1) y = -2x   as y is at origin nothing else to add     The equation of the gradient each goes like this 2) y = 1  1/2x     The equation of the point formula  1) we take the y -y1 = m (x +x 1)  =  y-0 = -2x (x +0)  (as m = -2) y = -2(x +0)   and  The equation of the point formula  2)  y - 0 = m ( x +x1)     y - 0 = 1 1/2( x +0)  = y = 1 1/2( x +0)

5 0
2 years ago
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