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mash [69]
3 years ago
5

Do the ratios 9:20 and 3:4 form a proportion?

Mathematics
2 answers:
saul85 [17]3 years ago
6 0
900 3:5 thats it ok akkajs
laila [671]3 years ago
4 0

Answer:

No

Step-by-step explanation:

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Solve the system of equations using elimination: -8x-4y=4 and -5x-y=-11.
ziro4ka [17]

The solutions to the given system of equations are x = 4 and y = -9

<h3>Simultaneous linear equations</h3>

From the question, we are to determine the solutions to the given system of equations

The given system of equations are

-8x-4y=4  --------- (1)

-5x-y=-11   --------- (2)

Multiply equation (2) by 4

4 ×[-5x-y=-11 ]

-20x -4y = -44  -------- (3)

Now, subtract equation (3) from equation (1)

-8x -4y = 4  --------- (1)

-(-20x -4y = -44)  -------- (3)

12x = 48

x = 48/12

x = 4

Substitute the value of x into equation (2)

-5x -y = -11

-5(4) -y = -11

-20 -y = -11

-y = -11 + 20

-y = 9

∴ y = -9

Hence, the solutions to the given system of equations are x = 4 and y = -9

Learn more on Simultaneous linear equations here: brainly.com/question/26310043

#SPJ1

6 0
1 year ago
Where is the blue point on the number<br> line?<br> 3<br> ←++<br> 2.<br> Pls help
My name is Ann [436]

Answer:

its in number 2

please mark as brainliest

6 0
2 years ago
I dont quite understand this.. Check the picture and help
wariber [46]

5) 74.925

6) 470

i think this is correct but i'm not completely sure

6 0
3 years ago
What does 1/9-(-2/5-8/9) equal?
babunello [35]
1/9 - (-2/5 - 8/9) = 1/9 + 2/5 + 8/9 = 1 + 2/5 = 7/5 or 1 2/5
6 0
3 years ago
For every 14 ice cream cones you buy, you get 2 for free.how many cones will you get if you buy 56 cones
lianna [129]
Divide 56/14=4. That means that there are 4 14ns since you will get 2 for every 14 cones. Thay means that you will get 8 cones for free.
6 0
3 years ago
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