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timofeeve [1]
3 years ago
9

1/4e-2f - 1/f-2e what is the answer?

Mathematics
1 answer:
timofeeve [1]3 years ago
7 0

Answer:

1

4

(2.718282)−2f−

1

f

−(2)(2.718282)

=

−2f2−4.756993f−1

f

=

−8f2−19.027973f−4

4f

=

−8f2−19.027973f−4

4f

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Please please please help brooo :(((
Agata [3.3K]

Answer:

when the 9x moved to the other side he didnt change the sign

Step-by-step explanation:

-8x +32 = 9x-9

-9x - 8x + 32 = 9

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3 years ago
A car rental agency currently has cars available, of which have a GPS navigation system. Two cars are selected at random from th
Ainat [17]

Answer:

(30/40)*(29/39) = 29/52 =~ 0.55769

Step-by-step explanation:

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6 0
3 years ago
A catapult launches a boulder with an upward velocity of 120 ft/s. The height of the boulder, h,
Vlad1618 [11]

Answer:

Reaches a maximum height of 235.00 feet in 3.75 seconds.

Step-by-step explanation:

The height of the boulder, h,  in feet after t seconds is given by the function is given by :

h=-16t^2+120t+10 .....(1)

For maximum height, put \dfrac{dh}{dt}=0

i.e.

\dfrac{d(-16t^2+120t+10)}{dt}=0\\\\-32t+120=0\\\\32t=120\\\\t=3.75\ s

Put t = 3.75 in equation (1). So,

h=-16(3.75)^2+120(3.75)+10\\\\h=235\ \text{feet}

So, the boulder's maximum height is 235 feets and it takes 3.75 s to reach to its maximum height.

3 0
3 years ago
I need help answering
jekas [21]

Put the values of the variables in place of the variables in the expression, then do the arithmetic.

8p+3q-18\\\\=8\left(\dfrac{1}{2}\right)+3(7)-18=\dfrac{8}{2}+21-18\\\\=4+21-18\\\\=25-18\\\\=\bf{7}

6 0
3 years ago
PLEASE HELP ASAP!! ONLY IF YOU KNOW THE ANSWER! THANK YOU SO MUCH!
telo118 [61]

Answer:

f(x)=-x

I hope this helps :)

8 0
3 years ago
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