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3 years ago

PLEASE HELP ANYONE ???????????!!! ASAP

Mathematics

2 answers:

Aloiza [94]3 years ago

7 0

Answer:

Step-by-step explanation:

bekas [8.4K]3 years ago

3 0

Answer:

The answer is the one already picked (x>2)

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A rectangle has the following vertices. Find the area of the rectangle. (9, −1), (−1, 7), (−5, 2), (5, −6)

stiks02 [169]

Answer: 82 sq. units .

Step-by-step explanation:

Let A (9, −1), B (−1, 7), C(−5, 2), D(5, −6) are the vertices of rectangle.

Then we plot them on graph ( as provided in attachment)

Length = AB $=\sqrt{(9+1)^2+(-1-7)^2}$ units [By distance formula : $\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$ ]

$=\sqrt{(10)^2+(-8)^2}=\sqrt{100+64}=\sqrt{164}=2\sqrt{41}$ units

Width = BC = $\sqrt{(-1+5)^2+(7-2)^2}$ units

$=\sqrt{4^2+5^2}\\\\=\sqrt{16+25}\\\\=\sqrt{41}$

Area = length x width

= $2\sqrt{41}\times\sqrt{41}=2\times41= 82\text{ sq. units}$

Hence, the area of the rectangle is 82 sq. units .

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3 years ago

The Earth rotates 1.25 degrees in 5minutes. How many degrees does it rotate in 1 minute?

Brums [2.3K]

0.25 degrees in 1 minute

7 0

3 years ago

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Multiply & Simplify 1/4×6<br>please solve

Radda [10]

Answer:

1.5

Step-by-step explanation:

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3 years ago

Let f(x) = 2x2 + x − 3 and g(x) = x + 2.<br><br> Find (f • g)(x)

katen-ka-za [31]

Answer:

$(f\cdot g)(x) = 2x^3 + 5x^2-x-6$

Step-by-step explanation:

We are given the two functions:

$f(x)=2x^2+x-3\text{ and } g(x)=x+2$

And we want to find:

$(f \cdot g)(x)$

Recall that this is equivalent to:

$=f(x)\cdot g(x)$

Substitute. Hence:

$(f\cdot g)(x)= (2x^2+x-3)(x+2)$

Expand if desired:

$\displaystyle = x(2x^2+x-3)+2(2x^2+x-3) \\ \\ = (2x^3+x^2-3x)+(4x^2+2x-6) \\ \\\ = 2x^3 + 5x^2-x-6$

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3 years ago

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How many times greater is one pound in 1 oz

andrew-mc [135]

The answer is :

1lbs would equal 16 oz

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3 years ago

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