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2 years ago

11

Solve: VII multiplied by IX. Show your answer in standard form. Standard Number 1 Roman Numeral 5 V 10 50 100 500 1,000 X-003 A)

36 B) 63 C) 77

1 answer:

yulyashka [42]2 years ago

6 0

63

Step-by-step explanation:

i gotchu keep these coming

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April shoots an arrow upward at a speed of 80 feet per second from a platform 25 feet high. The pathway of the

zaharov [31]

Answer:

The maximum height of the arrow is 125 feet.

Step-by-step explanation:

The pathway of the arrow can be represented by the equation,

$h = -16t^2 +80t + 25$ .....(1)

Where h is height in in feet and t is time in seconds.

It is required to find the maximum height of the arrow. For maximum height, $\dfrac{dh}{dt}=0$ .

So,

$\dfrac{d(-16t^2 +80t + 25)}{dt}=0\\\\-32t+80=0\\\\t=\dfrac{80}{32}\\\\t=2.5\ s$

Put t = 2.5 s in equation (1). So,

$h = -16(2.5)^2 +80(2.5) + 25\\\\h=125\ \text{feet}$

So, the maximum height of the arrow is 125 feet.

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2 years ago

Which is the correct first step in finding the area of the base of a cylinder with a volume of cubic meters and a height of 6.5

MAXImum [283]

The correct first step in finding the area of a base of a cylinder is to find the length of radius of the circular base.

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3 years ago

PLEASE HELP IF YOU CAN!!!

oksian1 [2.3K]

Lol i forgot how to do this. Sorrryyy.

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2 years ago

How many times larger is 4 x 1013 than 4 x 106? A 1 x 106 B) 1 x 107 C) 4 x 106 D) 4 x 107

Mice21 [21]

The answer to your question is A.

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2 years ago

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If f(×)=4×^2+1 and g(x)=×^2-5 find (f-g)(×)

trasher [3.6K]

Answer:

$\large\boxed{(f-g)(x)=3x^2+6}$

Step-by-step explanation:

$(f-g)(x)=f(x)-g(x)\\\\f(x)=4x^2+1,\ g(x)=x^2-5\\\\\text{Substitute:}\\\\(f-g)(x)=(4x^2+1)-(x^2-5)=4x^2+1-x^2-(-5)\\\\=4x^2+1-x^2+5\qquad\text{combine like terms}\\\\=(4x^2-x^2)+(1+5)=3x^2+6$

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3 years ago