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NARA [144]
3 years ago
9

all missing assignments are due today and I head help!!!! how many solutions are in y=-4/9x-3 Y=-7/5x-3

Mathematics
1 answer:
fiasKO [112]3 years ago
4 0

Answer

Where is the picture

Step-by-step explanation:

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Solve the system of equations by substitution.<br> 3/8x +1/3y=17/24<br> x+7y=8
const2013 [10]

Answer:

x=1, y=1.

Step-by-step explanation:

From the second equation:

x = 8 - 7y, so substituting for x in the first equation:

3/8(8 - 7y) + 1/3y = 17/24

3 - 21/8 y + 1/3y = 17/24

1/3y - 21/8y = 17/24 - 3

Multiply through by 24:

8y - 21*3 y = 17 - 72

8y - 63y = -55

-55y = -55

y = 1.

And  substituting for y in the second equation:

x + 7(1) = 8

x = 8 - 7

x =  1.

3 0
3 years ago
What is the equation of -7 increased by a number n is 12
777dan777 [17]
-7+n=12
this leaves us with n=19
6 0
3 years ago
5
Nadya [2.5K]

In the given diagram, the value of AC is 24. The correct option is B. 24

<h3>Properties of rectangle </h3>

From the question, we are to determine the value of AC

From one of the properties of a rectangle, we have that

The diagonals of a rectangle are equal and bisect each other.

Then, in the given diagram

AC = DB

Thus,

3x - 6 + 3x - 6 = 2x + 2x

6x -12 = 4x

6x - 4x = 12

2x = 12

x = 12/2

x = 6

In the diagram,

AC = 3x - 6 + 3x - 6

AC = 3(6) -6 + 3(6) - 6

AC = 18 - 6 + 18 - 6

AC = 24

Hence, the value of AC is 24. The correct option is B. 24

Learn more on the Properties of a rectangle here: brainly.com/question/23008020

#SPJ1

4 0
2 years ago
Which of these numbers exactly divide by nine? 116 713 495 640 or 360
andrew11 [14]
116/9 = 12.88
713/9 = 79.22
495/9 = 55
640/9 = 71.11
360/9 = 40
it would be 495 and 360
4 0
4 years ago
Read 2 more answers
The two sales people for a local advertising firm are Trinity and Jason. Trinity sold $2,330 in ads and Jason sold $1,740. What
pav-90 [236]

The two sales people for a local advertising firm are Trinity and Jason.

Sales amount of Trinity = $2330

Sales amount of Jason = $1740

Total sales of both the people = 2330+1740=4070

The fractional value of Trinity's sales = \frac{2330}{4070}=0.57 or 57%

The fractional value of Jason's sales = \frac{1740}{4070}=0.427 or 43%

5 0
4 years ago
Read 2 more answers
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