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3 years ago

What is the exspression for five less than n

Mathematics

2 answers:

TiliK225 [7]3 years ago

6 0

Answer:

n-5

Step-by-step explanation:

tankabanditka [31]3 years ago

6 0

Answer:

n - 5 is the expression

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The Center of circle (x-5)^2 + (y-13)^2=81 is (-5,-13). True or false!! thanks

Mumz [18]

False. because.....

the equation of a circle is (x-h)^2 + (y-k)^2 = r^2 and the center is (h,k)
if the center of a circle is (-5, -13) substitute the values into the equation
so....(x- -5)^2 + (y- -13)^2 = r^2 which is (x+5)^2 + (y+13)^2 = r^2

in this case, because you are only asking about the center of the circle from the equation the 81 or radius of the circle doesn't matter.

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3 years ago

What is a solution to 4x+6<(with a line under it ) 18

JulsSmile [24]

Answer:

$\textbf{$x \in (-\infty, 3] $}\\$

Step-by-step explanation:

$\textup{Given:}\\$ 4x + 6 $\textup{Subtracting $6$ from both the sides }\\$ 4x \leq 18 - 6 \hspace{5mm} (=12) $\\\textup{Dividing by $4$ on both the sides: \hspace{15mm} [Note that the sign of the inequality changes only when we divide it by a negative number]}\\$$ x \leq 3 $$\\\textup{$x$ can be any real number less than or equal to 3.}\\$ \iff x \in R^- \cup \{a : 0 \leq a \leq 3\} $$

7 0

4 years ago

In a physics laboratory experiment, a coil with 200 turns en-closing an area of 12 cm2 is rotated in 0.040 s from a position whe

Alla [95]

Answer: (a) Magnetic flux before rotation is 7.2 × 10^-8 Wb and magnetic flux after rotation is 0

(b) The average emf induced in the coil is 3.6×10^-4 V

Step-by-step explanation:

Here is the complete question:

In a physics laboratory experiment, a coil with 200 turns en-closing an area of 12 cm2 is rotated in 0.040 s from a position where its plane is perpendicular to the earth’s magnetic field to a position where its plane is parallel to the field. The earth’s magnetic field at the lab location is 6.0×10^−5T. (a) What is the total magnetic flux through the coil before it is rotated? After it is rotated? (b) What is the average emf induced in the coil?

Step-by-step explanation: Please see the attachments below

7 0

3 years ago

To solve 5/7 - 2/n = 1/21

Lesechka [4]

Answer:

the answer is N=3

Step-by-step explanation:

hope this helps

7 0

3 years ago

A box of colored crayons contains 9 distinct colors. In how many ways can 2 colors be chosen, assuming that the order of the col

shepuryov [24]

Answer:

Step-by-step explanation:

We can use combinations

9 choose 2 =

9!/(7!*2!) = (9*8)/2 = 36

3 0

3 years ago