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baherus [9]
2 years ago
9

The perimeter formula for a rectangle is P=2L+2W. If the length of a rectangle is 2x^2+x-3 and the width is x+7, write an expres

sion for the perimeter of the rectangle.
Mathematics
1 answer:
Leto [7]2 years ago
8 0

Answer:

P=(2x*2+x-3)L+ (x+7)2w

Step-by-step explanation:

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The function of the water balloon is an illustration of a quadratic function.

The balloon will splat on the ground after 2.5 seconds

The function is given as:

h(t) = -6t^2 + 13t + 5

When the balloon splats on the ground, the value of h(t) is 0.

So, we have:

-6t^2 + 13t + 5 = 0

Expand the expression

-6t^2 + 15t- 2t + 5 = 0

Factorize the above expression

-3t(2t - 5)- 1(2t - 5 )= 0

Factor out 2t - 5 in the 2t - 5

(-3t - 1)(2t - 5 )= 0

Split the equation into 2

-3t - 1 = 0\ or\ 2t - 5= 0

Rewrite as:

-3t = 1\ or\ 2t = 5

Solve for t

t = -\frac 13\ or\ t = \frac 52

The value of t cannot be less than 0 i.e. negative.

So, we have

t = \frac 52

Divide 5 by 2

t = 2.5

Hence, the balloon will splat on the ground after 2.5 seconds

Read more about quadratic functions at:

brainly.com/question/11631534

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2 years ago
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3 years ago
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A scalene triangle can be equilateral. A. True B. False
barxatty [35]
No, It should be false. Because the scalene triangle it cannot be unequilateral.

Hope it helped you.

-Charlie 

Have a great day!

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3 years ago
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Marizza181 [45]

Answer: (2.5, 5)


Step-by-step explanation:

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Which expression is equivalent to the following complex fraction?
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Answer:

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Step-by-step explanation:

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3 years ago
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