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ivann1987 [24]
3 years ago
6

PLEASE HEL MUST BE DONE URGENTLY

Mathematics
2 answers:
LekaFEV [45]3 years ago
8 0
Y = x + 2 is closest to what I believe is the solution.

If the club begins with 2 members, then +2  MUST appear in the formula.

If the club adds 2 members every week, then the total number of members would be

f(x) = y = 2 + 2(x-1), where x is the number of weeks.

Test this:  If x = 1, then y = 2+2(1-1) = 2 + 0  = 2.  This is correct.  The club began with 2 members in week 1

marysya [2.9K]3 years ago
8 0
Hi there!

We know that on week 1, there are two students.

That means when x=1, y should be 2.

After testing each answer choice, you can eliminate every single answer choice except for y=2x.

The "2" before the x in this equation means that y is increasing 2 units when x increases 1 unit, which matches the given information.

Thus, y = 2x should be your answer.

Have an awesome day! :)
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State if the three numbers can be the measures of the sides of a triangle.
Ad libitum [116K]

Answer:

yes

Step-by-step explanation:

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3 years ago
After the charity walk, Janey talked with friends from 11:25 A.M to 11:40 A.M Then lunch was served from 11:45 A.M until 2:10 P.
AlladinOne [14]
2 hours 25 minutes. Hope this helped.
3 0
3 years ago
Find the value of the combination.<br><br> 21 C 3<br><br> 7,980<br> 2,660<br> 1,330
erik [133]
To evaluate the combination we proceed as follows:
21C3
Given nCk we shall have:
n!/[(n-k)!k!]
thus plugging the values in the expression we get:
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4 0
4 years ago
According to Ohm's Law, in an electrical circuit the voltage V (in volts) is related to the current I (in amps) and the resistan
gulaghasi [49]

Answer:

The resistance is decreasing at a rate of 0.36 ohms/minute.

Step-by-step explanation:

The mathematical form of the Ohm's law is given by :

V = IR ...(1)

Where V is voltage, I is current and R is resistance

Given,

I = 5 A

R = 6 ohms

dI/dt = 0.3 A/min

Differentiate equation (1) wrt t:

\dfrac{dV}{dt}=I\dfrac{dR}{dt}+R\dfrac{dI}{dt}

When V is constant, dV/dt = 0

0=5\times \dfrac{dR}{dt}+6\times 0.3\ A/s\\\\1.8=-5\times \dfrac{dR}{dt}\\\\\dfrac{dR}{dt}=-0.36\ \Omega/min

So, the resistance is decreasing at a rate of 0.36 ohms/minute.

4 0
3 years ago
Let A = {3, 4, 5, 6, 7, 9, 10, 11}
Troyanec [42]

Answer:

a. 256

b. 255

Step-by-step explanation:

If a set has “n” elements, then the number of subset of the given set is 2^n and number of proper subset is 2^n-1

A = {3, 4, 5, 6, 7, 9, 10, 11}

Here, n = 8

No of subsets

=  {2}^{n}  =  {2}^{8}  = 256

No of proper subsets

= 2^n-1 = 256-1=255

5 0
2 years ago
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