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goblinko [34]
2 years ago
11

Multiply (2x+5) times (x2+6x-10) ? Thank you:)

Mathematics
2 answers:
Tresset [83]2 years ago
5 0

Answer:

(2x + 5) * (x^{2} + 6x - 10)\\= 2x (x^{2}  + 6x - 10) + 5 (x^{2} + 6x - 10)\\= 2x^{3} + 12x^{2} - 20x + 5x^{2} +30x - 50\\= 2x^{3} + 12x^{2} + 5x^{2} - 20x + 30x - 50\\= \boxed{2x^{3} + 17x^{2} + 10x - 50}

Hope it helps ⚜

Soloha48 [4]2 years ago
4 0

(2x + 5) × (x² + 6x − 10)

\bold\pink{↪}\small\bold\red{2x(x² + 6x − 10) +5(x² + 6x − 10)}

\bold\pink{↪}\bold\red{2x³ + 12x² - 20x + 5x² + 30x - 50}

\bold\pink{↪}\bold\red{2x³ + 12x² + 5x² - 20x + 30x - 50}

\bold\pink{↪}\bold\red{2x³ + 17x² + 10x - 50}

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Y=6/13X is a proportional relationship
Ivan

Answer:

x in (-oo:+oo)

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Y-((6/13)*x) = 0

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2 years ago
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}

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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

(c) Use composition to express s as a function of t.

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

using b

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

6 0
3 years ago
The estimated difference between two numbers is 60. Find two numbers that when rounded to the nearest ten, have a difference of
Verdich [7]

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128 and 74.

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7 0
3 years ago
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