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vitfil [10]
3 years ago
10

HELP ME PLEASE PLEASE

Mathematics
2 answers:
trasher [3.6K]3 years ago
7 0

Answer:

The solution to the system is (-6, -9)

Step-by-step explanation:

In order to graph the system, we can find two points belonging to each equation and join them with a line. We look then for the point at which the lines intersect.

(a) Two points for the first line defined by: 3 x + 2 y = -36

What is the value of y when x=0?

3 (0) + 2 y = -36

then y = -36/2 = -18, then one point on this line is (0, -18)

What is the value of x when y = 0?

3 x + 2 (0) = -36

then x = -12, then a second point for this line is: (-12, 0)

When can draw the line that represents this first equation by joining the two points as shown in the attached image with the two points found and the line depicted in orange.

(b) Two points for the second line defined by: - x + 2 y = -12

What is the value for y when  x = 0?

- (0) + 2 y = -12

then y = -12/2 = -6, therefore one point for this line is: (0, -6)

What is the value of x when y = 0?

- x + 2 (0) = -12,

then x= 12,and therefore another point for this line is (12. 0)

When can draw the line that represents this second equation by joining the two points we found, as shown in the attached image with the two points found and the line depicted in blue.

We see that the intersection of the two lnes takes place at  x= -6 and y = -9. That is at the point (-6, -9)

inn [45]3 years ago
3 0
Answer: x = -6 and y = -9

Explanation:

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Can someone help me please ​
andrey2020 [161]

Answer: y = 6

Step-by-step explanation:

A square's area can be done by using s^2, where s is y in this case.  Because there are 5 squares, the area of the figure is 5y^2.  Because the area is also 180cm, 5y^2=180.

Then divide both sides of the equation by 5 to get y^2 = 36.  Then square root both sides of the equation to get y = 6.

Hope it helps <3

7 0
3 years ago
The zeros of function d are -3 and 8. Which expression could be a factor of function d?
marysya [2.9K]
X+3 or x-8
These answers will both work!
8 0
3 years ago
Julian sees a common denominator for 3 x 4 + 2
Rasek [7]
the denominator would be 12
7 0
3 years ago
What is the missing value of n that will make the equation true? 3^8 . 3^n= 3^14
marissa [1.9K]

Answer:

n = 6

Step-by-step explanation:

{3}^{8} . {3}^{n}  =  {3}^{14}  \\  {3}^{8 + n}  =  {3}^{14}   \\ 8 + n = 14 \\ n = 14 - 8 \\ n = 6

7 0
3 years ago
Y/−7 = 1 /4 what does y =
Studentka2010 [4]

Answer:

y = - \frac{7}{4}

Step-by-step explanation:

\frac{y}{-7} = \frac{1}{4} ( cross- multiply )

4y = - 7 ( divide both sides by 4 )

y = - \frac{7}{4}

4 0
2 years ago
Read 2 more answers
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