2 years ago

Which polynomial represents the sum below?

Mathematics

1 answer:

julia-pushkina [17]2 years ago

5 0

A. 5x^2-13x-5 :))))))

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ryzh [129]

Answer:

positive

Step-by-step explanation:

If the variables tend to increase and decrease together, the association is positive.

hope this helps :)

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3 years ago

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The triangles are similar.

erik [133]

5×4=20 , 12×4=48
53÷4 = 13 then
x=13

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2 years ago

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Kevin claims he can draw a trapezoid with three right angles. Is this possible? Explain.

statuscvo [17]

No it is NOT possible - that would mean the final angle would also have to be ninety degrees making it a square or rectangle. :)

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3 years ago

The first term of a geometric series is 3, and the sum of the first term and the second term is 15. What is the sum of the first

Ivan

Sum of n terms in a geometric progression is given by Sn = a1 (1 - r^n) / (1 -r)

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2 years ago

A football is kicked into the air. The height of the football can be modeled by the equation

Alinara [238K]

Answer:

x = 0 and x = 1

Step-by-step explanation:

Given that,

A football is kicked into the air. The height of the football can be modeled by the equation :

$h = -16x^2 + 16x$

Where

h is the height reached by the ball after x seconds

When it touches the ground, h = 0

So,

$-16x^2 + 16x=0\\\\16x(-x+1)=0\\\\x=0\ and\ x=1$

So, it will touch the ground at x = 0 and x = 1 seconds.

6 0

3 years ago