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AysviL [449]
4 years ago
8

2x+3y=0 and x+2y=-1 Solve by substitution

Mathematics
1 answer:
Elena-2011 [213]4 years ago
6 0
Hope this makes sense!

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The table below shows the number of barrels of oil produced per day by some countries.
gogolik [260]

Answer:

Simple,the answer would be 93200

Step-by-step explanation:

You move your decimal point backwards by the power e.g 10^6 u move backwards 6 times

5 0
3 years ago
Y = x + 5<br> 2x + y = 17
larisa [96]

Answer:

y = x + 5: x=y−5

2x + y = 17 : x=-1/2y+17/2

Step-by-step explanation:

I do not exactly know what you were asking but I just answered the questions, if that is not what you were looking for tell me so I can try and edit my answer

8 0
3 years ago
Here is a riddle:
lilavasa [31]

Answer:

The system of inequalities that represents this situation will be:

f + s < 10

f - s > 3

Step-by-step explanation:

  • Let 'f' represent the first number
  • Let 's' represent the second number.

Given that the sum of the two numbers is less than 10. As 'less than' can be represented by '<'.

  • so the inequality would be: f + s < 10

Given that If we subtract the second number from the first, the difference is greater than 3. As 'greater than' can be represented by '>'.

  • so the inequality would be: f-s > 3

Thus, the system of inequalities that represents this situation will be:

f + s < 10

f - s > 3

8 0
3 years ago
The ratio of the length of an airplane wing to its width is 9 to 1. If the length of a wing is 34.7 meters, how wide must it be?
KIM [24]
The answer is  3.85555556 because the ratio is 9:1 the length 34.7  so that means the length will be 9 times the width so you divide.

6 0
3 years ago
Find the quadratic equation given that the roots are 4 and 7​
artcher [175]

Answer: {−4,7} is y=x2−3x−28 y = x 2 - 3 x - 28 .

Step-by-step explanation: so all ways do y and x first

6 0
2 years ago
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