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3 years ago

Using the EXCLUSIVE definition of a trapezoid, select the TRUE statement about trapezoids.

Mathematics

1 answer:

kirill115 [55]3 years ago

8 0

A trapezoid has only one pair of parallel sides (the first one)

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How do I solve 2x+y=10

ololo11 [35]

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3 years ago

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-7^-2 does anyone know ?

Leno4ka [110]

Negative exponents mean that you flip the number upside down

so -7^-2 would become 1/-7^2

-7^2 would be 49

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3 years ago

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4x^2 - 9y^6 what patterns can be used ? please and thank you !!!

S_A_V [24]

Answer:

B. (U+V)(U-V)

Step-by-step explanation:

Factoring

The given expression is:

$4x^2-9y^6$

It should be noted that both terms are perfect squares:

$(2x)^2=4x^2$

$(3y^3)^2=9y^6$

Since it's a difference of squares, we need to use the following pattern to factor the required expression:

$(U^2-V^2)=(U+V)(U-V)$

Thus, the answer is

B. (U+V)(U-V)

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3 years ago

Number 10 help ASAP it’s on probability which I understand but I can’t make out this one question!

iren [92.7K]

The answer will be 25 percent

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3 years ago

Expression for all solutions to the equation cos(theta) = 1 + 3cos(theta)

OleMash [197]

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On the unit cirlce, the cosine of an angle is negative whenever the angle falls in the interval $\dfrac\pi2$ .

If you recall your special triangles, this cosine occurs for angles of $x=\dfrac{2\pi}3$ and $x=\dfrac{4\pi}3$ .

More generally, this occurs for $x=\dfrac{2\pi}3+2n\pi$ and $x=\dfrac{4\pi}3+2n\pi$ , where $n$ is an integer.

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3 years ago