2 years ago

How would you solve this without a calculator?

1 answer:

5 0

Simplify the radical by breaking the radicand up into a product of known factors, assuming positive real numbers.

Exact Form:

$1351+780\sqrt{3}$

Decimal Form:

2701.99962990

Thus, <em>2,701</em> is your answer

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If f(x) and its inverse function, fx), are both plotted on the same coordinate plane, what is their point of intersection?

Lubov Fominskaja [6]

Answer: (3, 3)

Step-by-step explanation:

the graphs of $f$ and $f^{-1$ are flipped: if the point $(x, y)$ is on the graph of $f$ , then the point $(y, x)$ is on the graph of $f^{-1$ .

Any points of intersection will satisfy $(x, y) = (y, x)$ . A point that satisfies this property must have the same x and y coordinate. (Think about it.) The only point on $f$ like that is $(3, 3)$ , so that is the point of intersection.

7 0

2 years ago

a certain math textbook is 3/4 of an inch thick. how many of these books will fit on a self that is 3 feet wide?

kherson [118]

3 ft = 12 * 3 = 36 inches wide

36 / (3/4) =
36 * 4/3 =
144/3 =
48 books can fit

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3 years ago

One last question, I really need help

kozerog [31]

Answer:

4800 inches

Step-by-step explanation:

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3 years ago

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Trina has 72 collector’s stamps. She puts 43 of the stamps into a stamp book. How many stamps are left?

sattari [20]

Hi! For this question all you have to do is subtract 43 from 72.

72 - 43 = 29

Trina had 29 stamps left.

Hope this helps! Happy Thanksgiving!

7 0

3 years ago

Find the circumference of circle with a radius of 63mm. Use 22/7 for pi

Mariulka [41]

Answer:

396

Step-by-step explanation:

circumference of a circle is 2 x pi x r = 2 x 63 x (22/7) = 396

5 0

3 years ago

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