3 years ago

Which quadrilateral does NOT have two pairs of parallel sides?

Mathematics

1 answer:

WINSTONCH [101]3 years ago

8 0

It a................

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How many meters are equal to 6 kilometers? Use the pattern in the number of zeros of the product when multiplying by a power of

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Answer:

6km = 6000m

standard form - 6 x 10^3

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2 years ago

A laundry basket contains 34 white socks and 62 tan socks. What is the probability that a random selected sock will be white?

allochka39001 [22]

Answer

34/96 or simplify it, 17/48

Step-by-step explanation:

62+34=96

And because you have 34 white socks, 34/96 or simplify it, 17/48

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3 years ago

translate the phrase:""Three times the difference of a number and 9" " into an algebraic expression .Let x represent the real nu

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3(x-9) that is the answer to this one.

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3 years ago

An object is thrown upward from the top of 80 ft tower.The height h of the object after t seconds is represented by the quadrati

Sedaia [141]

Answer:The object will hit the ground after 5 seconds

Step-by-step explanation:

Given height of tower =80 ft

h=-16 $t^{2}$ +64t+80

When the object will hit the ground its height=0

0=-16 $t^{2}$ +64t+80

Multiplying both sides by -1

16t²-64t-80=0

Dividing by 16 both sides

t²-4t-5=0

(t-5)(t+1)=0

t=5 or -1

So t=5 since time cannot be negative

The object will fall after 5 seconds

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2 years ago

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Eliminate the parameter. x = t2 + 2, y = t2 - 4

stepan [7]

$\bf \begin{cases}
x=t^2+2\implies x-2=t^2\implies \sqrt{x-2}=\boxed{t}\\\\
y=t^2-4\\
----------\\
y=\left( \boxed{\sqrt{x-2}} \right)^2-4\implies y=x-2-4\\\\
y=x-6
\end{cases}$

just a plain vanilla substitution

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3 years ago

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