MATHEMATICS COLLEGE

Eight less than the product of 9 and a number equals 2.

Answers

Answer 1
Answer:

The number you're looking for is 10/9 or approximately 1.1111 when rounded to four decimal places.

You can represent this statement as an equation:

9x - 8 = 2

Here, "x" represents the unknown number. To solve for "x," first, add 8 to both sides of the equation:

9x - 8 + 8 = 2 + 8

This simplifies to:

9x = 10

Now, to isolate "x," divide both sides by 9:

9x/9 = 10/9

x = 10/9

So, the number you're looking for is 10/9 or approximately 1.1111 when rounded to four decimal places.

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Answer 2
Answer:

Answer:

10/9

Step-by-step explanation:

the question would be 9x - 8 = 2

which simplified you would get  9x = 10

dividing 9 from both sides would leave you with 10/9 in fraction form

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HELP MEEEEEEEEEEEEEEEEEEE I DONT GET IT

Answers

The graph goes up by 10 each time. And if we start at the bottom of the graph, and count up to where the line hits another point of the graph. It goes up by 30, and moves right 10. So that means the slope is 3. Hope this helps!

Solve for e.
9e + 4 = -5e + 14 + 13e

Answers

Answer:

e = 10

Step-by-step explanation:

In this problem we are told to solve for e. This means we need to isolate the variable e, leaving it completely by itself on one side of the equation.

9e + 4 = -5e + 14 + 13e

We can do this multiple ways, but I will show you how I would do it.

First I would subtract 4 from both sides.

9e + 4 = -5e + 14 + 13e

9e = -5e + 14 + 13e - 4

We can simplify the right side of the equation down by subtracting four from 14.

9e = -5e + 10 + 13e

Next, let's simplify our algebraic expressions. We can subtract 5e from 13e (or add -5e to 13e whatever tickles your fancy)

-5e + 13e = 8e

9e = 8e + 10

Now we subtract algebraic expression 8e from both sides

9e - 8e = 10

All of our expressions with the variable e are now on one side but we aren't done yet. Compute 9e - 8e.

9e - 8e = 10

1e = 10

or

e = 10

We have isolated e! Our final answer is e = 10

a person pays $25 to randomly select one of 5 envelopes containing a different check amount. determine the expected value if the check amounts are $0, $20, $30, $35, and $75

Answers

Answer:

Expected value = $32

Step-by-step explanation:

Given:

Check amount = $0, $20, $30, $35, $75

Find:

Expected value

Computation:

Expected value = [$0 + $20 + $30 + $35 + $75] / 5

Expected value = [$160] / 5

Expected value = $32

Find the percent change from a stock that was worth $230 and is now $287

Answers

Answer:

24.78%

Step-by-step explanation:

Initial price = $230

Final price = $287

change in price = final price - initial price

= 287 - 230

= $57

Percent change

= (change in price / initial price) x 100%

= (57 / 230) x 100%

= 24.78%

Use induction to prove the following formula is true for all integers n where n greaterthanorequalto 1. 1 + 4 + 9 + .. + n^2 = n(n + 1)(2n + 1)/6

Answers

Answer with Step-by-step explanation:

Since we have given that

1+4+9+........................+n² = (n(n+1)(2n+1))/(6)

We will show it using induction on n:

Let n = 1

L.H.S. :1 = R.H.S. : (1* 2* 3)/(6)=(6)/(6)=1

So, P(n) is true for n = 1

Now, we suppose that P(n) is true for n = k.

1+4+9+...................+k^2=(k(k+1)(2k+1))/(6)

Now, we will show that P(n) is true for n = k+1.

So, it L.H.S. becomes,

1+4+9+......................+(k+1)^2

and R.H.S. becomes,

((k+1)(k+2)(2k+3))/(6)

Consider, L.H.S.,

1+4+9+..+k^2+(k+1)^2\n\n=(k(k+1)(2k+1))/(6)+(k+1)^2\n\n=k+1[(k(2k+1))/(6)+(k+1)]\n\n=(k+1)[(2k^2+k+6k+6)/(6)]\n\n=(k+1)(2k^2+7k+6)/(6)]\n\n=(k+1)(2k^2+4k+3k+6)/(6)]\n\n=(k+1)[(2k(k+2)+3(k+2))/(6)]\n\n=((k+1)(2k+3)(k+2))/(6)

So, L.H.S. = R.H.S.

Hence, P(n) is true for all integers n.

Costco sells chicken for $2.25 per pound. What would be the cost of 2 4 5 lb of chicken?

Answers

Answer:

551.25$

Step-by-step explanation:

u need to multiply the amount of money per a pound to the amount of pounds u have
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D+16/3=17 the steps??!!