3 years ago

What does y=3x to the second power +7

Mathematics

1 answer:

SashulF [63]3 years ago

7 0

If you could provide more information, I'd be happy to solve this for you.

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An airplane is flying at a speed of 500 mi/h at an altitude of one mile. The plane passes directly above a radar station at time

d1i1m1o1n [39]

Answer:

a) $s=\sqrt{1+d^2}$

b)d(t)=500t

c) $s(t) =\sqrt{1+250000t^2}$

Step-by-step explanation:

d = Horizontal distance

s = the distance between the plane and the radar station

The horizontal distance (d), the one mile altitude, and s form a right triangle.

So, use Pythagoras theorem

$Hypotenuse^2=Perpendicular^2+Base^2$

$s^2=1^2+d^2$

a) $s=\sqrt{1+d^2}$

(b) Express d as a function of the time t (in hours) that the plane has flown.

$distance = speed \times time$

d(t)=500t

$s(t) =\sqrt{1+d^2}$

using b

$s(t) =\sqrt{1+(500t)^2}\\s(t) =\sqrt{1+250000t^2}$

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2 years ago

Help please I'll give you brainliest

Savatey [412]

Answer:what do youneed helpon

Step-by-step explanation:

7 0

2 years ago

1.Suppose f(x)=6x^2+2x-7 and g(x)=4x-3.Find Each Of The Following Function.

marysya [2.9K]

(1)

(f+g)(x) = 6x^2+2x-7+4x-3=6x^2+6x-10

(f-g)(x)=6x^2+2x-7-4x+3 = 6x^2-2x-4

(2)

(f+g)(x)=2x-3x+1-2x=-3x+1

(f-g)(x)=2x-3x-1+2x=x-1

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2 years ago

Can someone please help me ?

Marizza181 [45]

Answer: x = 10

Explanation:

Line A is parallel to line B only when the corresponding angles 4x and 3x+10 are congruent

4x = 3x+10

4x-3x = 10

x = 10

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2 years ago

Which fraction is not equivalent to 9/12

Usimov [2.4K]

Answer: 1/2

1/2 = 50%

9/12 = 75%

6 0

2 years ago

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