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Andrew [12]
3 years ago
10

Solve for x in 12x + 4y = 16

Mathematics
2 answers:
belka [17]3 years ago
7 0

Answer:

y = -3x+ 4

one equation two unknows can not solve uniquely

4y = -12x + 16

y = -3x+ 4

is the solution set

Step-by-step explanation:

7nadin3 [17]3 years ago
3 0

Answer:

x = \frac{  16 - 4y}{12}

Step-by-step explanation:

12x + 4y = 16

12x + 4y - 4y = 16 - 4y

12x = 16 - 4y

\frac{12x}{12}  = \frac{  16 - 4y}{12}

x = \frac{  16 - 4y}{12}

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Find three consecutive even numbers whose sum is 1884.
Scilla [17]

Answer:

smallest number=626

middle number=628

larger number=630

Step-by-step explanation:

To find the numbers, let's use n as the variable. Since we know that the numbers are consecutive even numbers, we know that they increase by 2. For example, we could have 2+4+6=12.

Knowing that the consecutive numbers increase by two's, we can use this.

smallest number: n

middle number: n+2

larger number: n+4

All we have to do is add these together and set it equal to 1884.

n+(n+2)+(n+4)=1884          [combine like terms]

3n+6=1884                         [subtract both sides by 6]

3n=1878                              [divide both sides by 3]

n=626

Now that we know n=626, we also know that the other numbers are 626, 628, 630 respectively.

5 0
3 years ago
PLEASE HELP! DUE SOON!!!!
yKpoI14uk [10]

Answer: yes

Step-by-step explanation:

4 0
3 years ago
Someone explain it please
Alina [70]

9514 1404 393

Answer:

  ∠A = 44°

Step-by-step explanation:

In order to find the measure of angle A, you need to know the value of the variable x. This means you need some relation that you can solve to find x.

Happily, that relation is "the sum of angles in a triangle is 180°." This means ...

  84° +(x +59)° +(x +51)° = 180°

  (2x + 194)° = 180° . . . collect terms

  2x = -14 . . . . . . . . . . divide by °, and subtract 194

  x = -7 . . . . . . . . . . . .divide by 2

Now, the measure of angle A is ...

  ∠A = (x +51)° = (-7 +51)°

  ∠A = 44°

4 0
3 years ago
Please Help! In the figure below, triangle ABC is similar to PQR,as shown below:
castortr0y [4]

So triangle PQR is scaled at 4*triangle ABC
So if AB = 16 then PQ = 16*4 which is 64 so the third option

3 0
3 years ago
Read 2 more answers
Theoretical probability<br> P(rolling a 2)<br> P(rolling a 5)
zysi [14]

Answer:

yes indeed..... (wdm? u never finished the question)

Step-by-step explanation:

8 0
3 years ago
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