3 years ago

URGENTTTT PLS PLS PLS PIFHCHIDFCHI. How do you write 5x^2-14-3x2 in standard form?

Mathematics

1 answer:

Amanda [17]3 years ago

8 0

5x^2-3x^2= 2x^2

2x^2-14

2(x^2-7)

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Mariana [72]

Answer:

44?

Step-by-step explanation:

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A projectile is fired into the air with an initial vertical velocity of 160 ft/sec from ground level. How many seconds later doe

djverab [1.8K]

The maximum height of the projectile is the maximum point that can be gotten from the projectile equation

The projectile reaches the maximum height after 5 seconds

The function is given as:

$\mathbf{h(t) = -16t^2 + 160t}$

Differentiate the function with respect to t

$\mathbf{h'(t) = -32t + 160}$

Set to 0

$\mathbf{h'(t) = -32t + 160 = 0}$

So, we have:

$\mathbf{-32t + 160 = 0}$

Collect like terms

$\mathbf{-32t =- 160 + 0}$

$\mathbf{-32t =- 160}$

Solve for t

$\mathbf{t = \frac{- 160}{-32}}$

$\mathbf{t = 5}$

Hence, the projectile reaches the maximum after 5 seconds

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2 years ago

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11Alexandr11 [23.1K]

Answer:

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Step-by-step explanation:

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3 years ago

N/5 greater than or equal to 11

avanturin [10]

N/5 is greater than 11

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3 years ago

Whats the property? If -7x=14 then 14=-7x

timofeeve [1]

Answer:

the answer is commutative property

Step-by-step explanation:

commutative property is when both constants or variables don't change value when you move them from one side of the equal sign to another such as "a+b = b+a" or " a=b; b=a" both examples do not change value

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3 years ago

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