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insens350 [35]
3 years ago
8

Y=4x-9 complete the missing value in the solution to the equation (3,__)

Mathematics
2 answers:
kozerog [31]3 years ago
5 0
So we need to plug in our values so now y=4(3)-9 so 4*3 is 12 now we have y=12-9 Subtract 12 and nine to get 3 so y equals 3.
The answer is (3, 3). Hope this helped please look at others answers and check other resources as well
ss7ja [257]3 years ago
5 0

Answer:

3

Step-by-step explanation:

4(3)-9=3

hope this helps. Happy Holidays

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What is the value of E(-1) n (3n+2)?
RoseWind [281]
<h3>Answer:  C) 6</h3>

====================================================

Explanation:

The weird looking E symbol is the greek uppercase letter sigma. It refers to a sum.

It tells us to add up terms in the form (-1)^n*(3n+2) where n is an integer ranging from n = 1 to n = 4.

------------------

If n = 1, then we have

(-1)^n*(3n+2) = (-1)^1*(3*1+2) = -5

Let A = -5 as we'll use it later.

------------------

If n = 2, then

(-1)^n*(3n+2) = (-1)^2*(3*2+2) = 8

Let B = 8 since we'll use this later as well

------------------

If n = 3, then

(-1)^n*(3n+2) = (-1)^3*(3*3+2) = -11

Let C = -11

-------------------

If n = 4, then

(-1)^n*(3n+2) = (-1)^4*(3*4+2) = 14

Let D = 14.

--------------------

We'll add up the values of A,B,C,D to get the final answer

A+B+C+D = -5+8+(-11)+14 = 6

This means that

\displaystyle \sum_{n=1}^{4}(-1)^n(3n+2) = 6

6 0
3 years ago
A pound is about .45 kg. If I collected 3lbs of aluminum , how many kg. Did I collect ?
icang [17]

Answer:

You collected 1,395 kg.

Step-by-step explanation:

Since each pound would be 45 kg and you collected 31 pounds more then you would have to multiply 45 times 31.

3 0
3 years ago
3n - 5 = -8<br> what is the value of n?
lubasha [3.4K]
The value of n is 1 :)
8 0
2 years ago
Read 2 more answers
Find the product of 2x2(x + 6). Group of answer choices 8x3 2x3 + 12x2 3x3 + 12x2 2x2 + x + 6
jok3333 [9.3K]

Answer:

Step-by-step explanation:

4 0
2 years ago
Solve the system of equations.
Slav-nsk [51]
13x - 6y = 2......multiply by 2
3x - 4y = -10....multiply by -3
------------------
26x - 12y = 4 (result of multiplying by 2)
-9x + 12y = 30 (result of multiplying by -3)
-----------------add
17x = 34
x = 34/17
x = 2

now sub 2 in for x into either of the original equations to find y
3x - 4y = -10
3(2) - 4y = -10
6 - 4y = -10
6 + 10 = 4y
16 = 4y
16/4 = y
4 = y

solution is (2,4)
8 0
3 years ago
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