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Studentka2010 [4]
3 years ago
14

Write an expression that is equivalent to (3x-2)-x^2+2x+5), combing like terms

Mathematics
1 answer:
ss7ja [257]3 years ago
4 0

Answer:

-x^2+5x+3

Step-by-step explanation:

Remove unnecessary parenthesis.

3x-2-x^2+2x+5

Collect like terms.

5x+3-x^2

Use the commutative property to reorder the terms.

-x^2+5x+3

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The cup, on the 9th hole of a golf course, is located, dead center, in the middle of a circular green, which is 35 feet in radiu
ale4655 [162]

Answer:

± 27.33 ft

Step-by-step explanation:

For the given problem, we can estimate the initial and final coordinates of the line of the ball path as (-40,-50) and (0,0). Therefore, the slope is:

(-50-0)/(-40-0) = 50/40 = 1.25

Similarly, we can estimate the slope of a perpendicular line to the line of the ball path as: -1*(1/1.25) = -0.8.

Therefore, using (0,0) and the slope -0.8, the equation of the perpendicular line is: -0.8 = (y-0)/(x-0);

-0.8 = y/x

y = -0.8x

Furthermore, we are given the circle radius as 35 ft and we can use the distance formula to find the two points 35 ft far from the origin:

35^2 = x^2 + y^2

y = -0.8x

35^2 = x^2 + (-0.8x)^2

1225 = (x^2 + 0.64x^2)

1225 = 1.64x^2

x^2 = 1225/1.64 = 746.95

x = sqrt(746.95) = ± 27.33 ft

5 0
3 years ago
1. The dimensions of Mr. Bell's living room are 10 feet x 8 feet x 2 feet, and the dimensions of his kitchen are 20 feet x 2 fee
romanna [79]

Answer:

more detail

Step-by-step explanation:

8 0
3 years ago
What is the equation of the perpendicular bisector of CB?
Olegator [25]

Answer:

equation for perpendicular bisector passing through CB is;

y=⁴/³– 5/30

6 0
3 years ago
Which of the following is equivalent??
Naddik [55]
The answer is b because it is equivalent.
6 0
3 years ago
Read 2 more answers
Factor completly 4x^2 +8x -5
DaniilM [7]

∑ Hey, jillianwagler ⊃

Answer:

\left(2x-1\right)\left(2x+5\right)

Step-by-step explanation:

<u><em>║Given info║:</em></u>

<em>Factor completely: </em>4x^2 +8x -5

<u><em>Solution~:</em></u>

<em>Breaking the expression~:  </em>\left(4x^2-2x\right)+\left(10x-5\right)

<em>Factor out 2x from 4x² -2x : 2x(2x-1)</em>

<em>Factor out 5 from 10x - 5 : 5(2x - 1)</em>

<em>Put together: </em>=2x\left(2x-1\right)+5\left(2x-1\right)

Factor out 2x - 1: =\left(2x-1\right)\left(2x+5\right)

<u><em>xcookiex12</em></u>

<em>8/19/2022</em>

4 0
2 years ago
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