3 years ago

-7x^2+4x+1 help?????????????????????????

2 answers:

8 0

-3x+3 that the answer.

3 0

Its already simplified

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geniusboy [140]

Answer: 6 ft

Step-by-step explanation:

$144\pi =\pi(r^{2})(4)\\\\144\pi=4\pi r^{2}\\\\36=r^{2}\\\\r=\boxed{6 \text{ ft}}$

6 0

2 years ago

Vladimir [108]

The correct answer is B)

4 0

3 years ago

Airida [17]

It's not clear to me what the given interval is supposed to be, so I'll use a generic one, [a, b] with a < b.

The average acceleration of the particle over this interval is given by the average rate of change of v(t),

$a_{\rm ave} = \dfrac{v(b) - v(a)}{b - a} = \boxed{\dfrac{(b^{0.7}+4b)\cos(b^2) - (a^{0.7}+4a)\cos(a^2)}{b - a}}$

8 0

3 years ago

spayn [35]

78.32/0.22= 356

Divide

____
0.22/ 78.32

7 0

3 years ago

ohaa [14]

25% of 30 = 7.5
Hope this helps idk if it does tho

3 0

3 years ago