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3 years ago

Which symbol replaces ? to make the statement true?

2 answers:

5 0

4*16-16 ? 4[24-2(4+8)]
Since 16+16+16+16 is the same as 4*16 I'l just make it 3*16 (because you minus 16 from it)

3*16 ? 4[24-2(4+8)]
48 ? 4[24-2(4+8)]
48 ? 4[24-2*12]
49 ? 4(24-24)
49 ? 4*0
49 ? 0
49>0

So it is a >

Hope this helps :)

lara31 [8.8K]3 years ago

4 0

The right answer for K12 is ( > ) I Took the test and is correct. 4×16-16 > 4×[24-2×(4+8)]

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H=−4.9t2+25t

lina2011 [118]

ANSWER

EXPLANATION

The equation that expresses the approximate height h, in meters, of a ball t seconds after it is launched vertically upward from the ground is

$h(t) = - 4.9 {t}^{2} + 25t$

To find the time when the ball hit the ground,we equate the function to zero.

$- 4.9 {t}^{2} + 25t = 0$

Factor to obtain;

$t( - 4.9t + 25) = 0$

Apply the zero product property to obtain,

$t = 0 \: or \: \: - 4.9t + 25 = 0$

$t = 0 \: \: or \: \: t = \frac{ - 25}{ - 4.9}$

t=0 or t=5.1 to the nearest tenth.

Therefore the ball hits the ground after approximately 5 seconds.

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Step-by-step explanation:

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AfilCa [17]

Answer:

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Step-by-step explanation:

I got this answer simply by plugging each number into my calculator with the following equation:

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Answer:

Step-by-step explanation:

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