4 years ago

What is 8 1/2 - 3/4 This is for a short passage please help!

Mathematics

1 answer:

Flura [38]4 years ago

5 0

The answer is 7.75.......

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aliina [53]

Answer:

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Step-by-step explanation:

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3 years ago

What are the explicit equation and domain for a geometric sequence with a first term of 4 and a second term of −12?

Lerok [7]

$a_1=4;\ a_2=-12\\\\r=\dfrac{a_2}{a_1}\to r=\dfrac{-12}{4}=-3$

The formula of a geometric sequence:

$a_n=a_1\cdot r^{n-1}$

substitute

$a_n=4\cdot(-3)^{n-1}$

$The\ domain:\ \text{all integers where}\ n\geq1$

Answer: $\boxed{a_n=4(-3)^{n-1};\ \text{all integers where}\ n\geq1}$

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3 years ago

-1/2 + ( 3/4 x 4/9)= <br><br><br><br>

Bogdan [553]

Answer:

Too tired to explain, here's some digital steps by Symbolab:

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3 years ago

Find the area of the semicircle. Round your answer to the nearest hundredth.

LenaWriter [7]

Answer:

1.27388535028

Step-by-step explanation:

Simply using the formulas

3 0

3 years ago

viva [34]

Please read "Step-by-step" if you're having trouble

Answer:

x²(1- $\frac{1}{4}$ $\pi$ )

Step-by-step explanation:

Each side of the cookie dough is x long, since there is no given number, the diameter of the plate is also x, its as long as the square is wide, making the radius 1/2x.

The area of the cookie dough is x², the area of the plate is 1/4 $\pi$ x².

You have the equation x²- $\frac{1}{4}$ $\pi$ x²the equation has a Greatest Common Factor of x² so your factored equation is x²(1- $\frac{1}{4}$ $\pi$ )

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4 years ago