3 years ago

Which algebraic expression has like terms?

Mathematics

1 answer:

Vaselesa [24]3 years ago

8 0

Answer:

the answer is 612 -4n4+6n-5772

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The length of a crayon box base is 3 more than 4 times its width. If the perimeter of the base

Ganezh [65]

Answer:

the length is 7 or 3 the width is 3 or 7

Step-by-step explanation:

7 x 3 = 21

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3 years ago

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A ball is thrown upward from a height of 15 ft with an initial velocity of 5 ft/s. Use the equation h=-16t^2+5t+15 to answer the

Fiesta28 [93]

Answer:

1) 1.1 seconds

2) 13.5 feet

$\rightarrow \sf -16t^2 + 5t + 15 = 0$

<u>Apply quadratic formula</u>:

$\rightarrow \sf t= \dfrac{-5\pm \sqrt{5^2-4\left(-16\right)\cdot \:15}}{2\left(-16\right)}$

<u>Simplify following</u>

$\rightarrow \sf t=-\dfrac{-5+\sqrt{985}}{32},\:t=\dfrac{5+\sqrt{985}}{32}$

In decimal form:

$\rightarrow \sf t=-0.825 ,\:t=1.137$

Conclusion:

As time is be only positive: t = 1.1 seconds

$\rightarrow \sf h=-16t^2 + 5t + 15$

<u>insert t = 0.5</u>

$\rightarrow \sf h=-16(0.5)^2 + 5(0.5) + 15$

<u>simplify</u>

$\rightarrow \sf h=13.5$

3 0

2 years ago

Pleas help me y'all please

Damm [24]

Answer:

$\fbox{Option D}$

Step-by-step explanation:

Let me know if you want the full explanation. Have a great day! ❤

4 0

4 years ago

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Find the nth term of this quadratic sequence<br><br> 4,7,12,19,28

olga55 [171]

Answer:

nth term = n^2 + 3.

Step-by-step explanation:

4 7 12 19 28

Differences 3 5 7 9

Differences 2 2 2

So the nth term contains n^2.

4 7 12 19 28

Values of n^2 1 4 9 16 25

Differences 3 3 3 3 3

So the nth term = n^2 + 3.

7 0

3 years ago

What is the volume of a shipping box that is 4 inches by 10 inches by 14 inches.

igor_vitrenko [27]

Answer:

560 cubic inches

Step-by-step explanation:

Substitute:

V = lwh

V = 4(10)(14)

V = 40(14)

V = 560 in^3

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3 years ago

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